- phenixbb - phenix-online.org

Help for pdb deposition
by qiang liu 14 Feb '11

14 Feb '11

Hi,Dear all, Maybe it's a simple question for you,because I am a beginner in crystallography. Recently I deposited a structure in the pdb and got a reply bellow. "The deposited structure factor file is incomplete. We failed convert the deposited mtz file to cif format. Please send me the correct SF file including h, k, l, F, SigmaF (and/or I and SigmaI)and test flags as an attachment." The mtz file I uploaded is map_coeffs.mtz after refinement.The column lables are listed. type column lable H H H K H L F 2FOFCWT P PH2FOFCWT F 2FOFCWT_no_fill P PH2FOFCWT_no_fill F FOFCWT P PHFOFCWT So how can I get the parameters for deposition in PHENIX? Any suggestions will be appreciated! Thank you very much. Qiang Liu

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difference map
by intekhab alam 12 Feb '11

12 Feb '11

Hi i am trying to calculate a difference map ( ligand-native ) using isomorphous difference map program in phenix. I used the reflection files of ligand and native and phase information of ligand derived data. But the difference map donot fits the ligand, and appears as a circular chunk of density at sigma level 5. I calculated an omit map that clearly showed the presence of my ligand at the specific position. Is there anything wrong in my calculation. What alternate ways are there to improve my difference map. -- INTEKHAB ALAM LABORATORY OF STRUCTURAL BIOINFORMATICS KOREA UNIVERSITY, SEOUL

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'python' received an X Window System error.
by Rongjin 10 Feb '11

10 Feb '11

Hello, when I was running Phenix for model building, I encountered some error. Is this a bug? Thanks Rongjin Guan close failed in file object destructor: The program 'python' received an X Window System error. This probably reflects a bug in the program. The error was 'BadIDChoice (invalid resource ID chosen for this connection)'. (Details: serial 1812949 error_code 14 request_code 53 minor_code 0) (Note to programmers: normally, X errors are reported asynchronously; that is, you will receive the error a while after causing it. To debug your program, run it with the --sync command line option to change this behavior. You can then get a meaningful backtrace from your debugger if you break on the gdk_x_error() function.) The program 'python' received an X Window System error. This probably reflects a bug in the program. The error was 'BadIDChoice (invalid resource ID chosen for this connection)'. (Details: serial 41593302 error_code 14 request_code 55 minor_code 0) (Note to programmers: normally, X errors are reported asynchronously; that is, you will receive the error a while after causing it. To debug your program, run it with the --sync command line option to change this behavior. You can then get a meaningful backtrace from your debugger if you break on the gdk_x_error() function.)

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Graduate Student Summer Internship
by Soisson, Stephen M 09 Feb '11

09 Feb '11

Hi Everyone, Merck Research Laboratories has an opening for a summer intern in the Structural Chemistry (X-ray crystallography) groups located in either Kenilworth, NJ or West Point, PA. The idea is to have someone comfortable with programming and mathematics to explore some computational ideas that can take advantage of the large parallel computing cluster at Merck (> 3000 cores). I am pasting the advertisement below - please note that the deadline is rapidly approaching. Interested applicants must apply through the link provided below. Please note that an advanced undergraduate with the appropriate cross-disciplinary skill set would also be considered for this position. Thanks- Steve Stephen M. Soisson, Ph.D. Structural Chemistry Site Lead, WP Merck Research Laboratories 770 Sumneytown Pike, WP14-1101 West Point, PA 19486 Phone: (215) 652-6185 Fax: (215) 652-9051 stephen_soisson(a)merck.com Job Description Graduate Structural Chemistry Internship 2011:CHE002969 Description Merck is a global health care leader with a diversified portfolio of prescription medicines, vaccines and consumer health products, as well as animal health products. Today, we are building a new kind of healthcare company - one that is ready to help create a healthier future for all of us. Our ability to excel depends on the integrity, knowledge, imagination, skill, diversity and teamwork of people like you. To this end, we strive to create an environment of mutual respect, encouragement and teamwork. As part of our global team, you'll have the opportunity to collaborate with talented and dedicated colleagues while developing and expanding your career. The X-ray Crystallography group of the Global Structural Chemistry Department within Merck Research Laboratories is seeking graduate interns for their summer internship program. The intern will be embedded in the Structural Chemistry/X-ray Crystallography group and will conduct research on a project relevant to drug discovery. The intern will also attend group meetings to gain a wider perspective of the role of structural chemistry within the discovery process in the pharmaceutical industry. The Global Structural Chemistry Department is an industry-leading research group with world class laboratory, synchrotron, and computational facilities. A suitable candidate has a science background with interest in x-ray crystallography and drug discovery. Not required, but a plus, would be experience in one or more of the areas of protein crystallization, X-ray diffraction theory and x-ray crystallography. Preference will be given to candidates having a strong math and/or physical science background with expertise in computers and computer programming. We are seeking graduate student with strong academic performance, communication skills, teamwork, and the ability to work in a multi-functional environment. This internship is offered at either of our research facilities in Kenilworth, NJ or West Point, PA. It is a paid 10-12 week internship targeted to start in June 2011. A weekly stipend will be provided. Housing and transportation to and from work are available for those interns meeting the housing distance guideline. **Please note when applying for this position, the candidate MUST upload a cover letter or a personal statement letter and a copy of your unofficial transcript along with your resume. Qualifications * Candidate is currently pursuing a graduate degree in a relevant field (biochemistry, biophysics, applied math, computer science, etc.). * Science background with an interest in drug discovery * Must have experience in x-ray crystallography and knowledge of programming tools such as Python, Perl or C. * Applicants must be currently enrolled in an academic program. * Applicants must be available for full-time employment for 10 - 12 weeks during the months of June - August 2011. To be considered for this position, please visit our career site at www.merck.com/careers to create a profile and submit your resume for requisition #CHE002969. Merck is an equal opportunity employer, M/F/D/V - proudly embracing diversity in all of its manifestations. Primary Location:US-NJ-Kenilworth Job Type:Intern Employee Status:Regular Number of Openings:1 Stephen M. Soisson, Ph.D. Structural Chemistry Site Lead, WP Merck Research Laboratories 770 Sumneytown Pike, WP14-1101 West Point, PA 19486 Phone: (215) 652-6185 Fax: (215) 652-9051 stephen_soisson(a)merck.com Notice: This e-mail message, together with any attachments, contains information of Merck & Co., Inc. (One Merck Drive, Whitehouse Station, New Jersey, USA 08889), and/or its affiliates Direct contact information for affiliates is available at http://www.merck.com/contact/contacts.html) that may be confidential, proprietary copyrighted and/or legally privileged. It is intended solely for the use of the individual or entity named on this message. If you are not the intended recipient, and have received this message in error, please notify us immediately by reply e-mail and then delete it from your system.

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How to locate and refine a ligand using anomalous scattering
by Jason 09 Feb '11

09 Feb '11

Hello everyone, I have a few crystals to be x-rayed next week. Before that I hope to get a clear idea about what I am doing (I am new to anomalous scattering). Facts: 1. The crystal is a protein co-crystallized with a ligand 2. The protein structure is known. 3. The ligand has a heavy atom bromide (absorption K-egde=13.47Kev) 4. Data resolution is ~3 angstrom Goals: 1. Locate the bromide position 2. Locate and refine the ligand Questions: 1. Do I need to carry out MAD experiment at 3 wavelengths or there is some other easier way since the protein structure is known (I am not expecting big change of the protein structure itself)? 2. Assuming I have the MAD data, what should I do next using phenix to achieve the two goals listed above? Here are some thoughts: - Using phenix.hyss to locate the anomalous scatterers - Using phenix.autobuild to build the protein model (which data set to use?) - Using coot to add ligands to the protein structure (Is the relative position between the protein and the ligand known based on phenix.hyss and phenix.autobuild?) - Using phenix.refine to refine the ligand+protein complex Thank you all for reading this. ====================== Jason Structural Biology Department University of Pittsburgh ======================

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How to locate and refine a ligand using anomalous scattering
by Jason 09 Feb '11

09 Feb '11

Hello everyone, I have a few crystals to be x-rayed next week. Before that I hope to get a clear idea about what I am doing (I am new to anomalous scattering). Facts: 1. The crystal is a protein co-crystallized with a ligand 2. The protein structure is known. 3. The ligand has a heavy atom bromide (absorption K-egde=13.47Kev) 4. Data resolution is ~3 angstrom Goals: 1. Locate the bromide position 2. Locate and refine the ligand Questions: 1. Do I need to carry out MAD experiment at 3 wavelengths or there is some other easier way since the protein structure is known (I am not expecting big change of the protein structure itself)? 2. Assuming I have the MAD data, what should I do next using phenix to achieve the two goals listed above? Here are some thoughts: - Using phenix.hyss to locate the anomalous scatterers - Using phenix.autobuild to build the protein model (which data set to use?) - Using coot to add ligands to the protein structure (Is the relative position between the protein and the ligand known based on phenix.hyss and phenix.autobuild?) - Using phenix.refine to refine the ligand+protein complex Thank you all for reading this. ====================== Jason Structural Biology Department University of Pittsburgh ======================

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using reference model for low resolution refinement
by crystallogrphy 07 Feb '11

07 Feb '11

Hi, I am refining a hexamer model using low resolution data (4.7A). I want to use a high resolution model (2.4A) which is a dimer as the reference model. The sequence identity is 100%. Does anyone know how to select the residue range from the reference model for my refinement? Thanks!

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is new phenix.refine (1.7-650) comaptible with twinning refinement?
by fulvio saccoccia 04 Feb '11

04 Feb '11

Dear all, I have installed the new phenix version 1.7-650, but I have a doubt: is the real-space refinement within phenix.refine now compatible with twinning refinement?

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ICSG 2011 Abstract Deadline Feb 28, 2011: International Conference on Structural Genomics
by Thomas C. Terwilliger 04 Feb '11

04 Feb '11

Dear Colleagues, We hope that you are planning to attend the International Conference on Structural Genomics 2011, which will be held in Toronto, Canada on May 10-14, 2011. The meeting is designed to serve as a forum to discuss the most recent developments in structural genomics, structural/chemical biology, and their impact on research in biology, medicine and disease. There are many speaking slots still open that will be chosen from submitted poster abstracts. We invite you to submit your abstract by February 28, 2011. Please visit http://www.icsg2011.org for ICSG 2011 meeting and workshop registration details and to submit your abstract. In addition to the main ICSG meeting, there will be a whole day of free concurrent satellite workshops (May 10, 2011), including: Small Molecule Screening Workshop- This hands-on workshop will allow participants to screen a protein of their choice for binding of selected compounds, using thermal shift assays. Eukaryotic Gene Expression Systems Workshop - This workshop will provide participants with a detailed understanding of the state-of-the-art for production of eukaryotic proteins destined for biochemical, biophysical, and structural analyses. iSee: Interactive 3D Documents for the Dissemination of Structural Biology This hands-on workshop will familiarize participants with the iSEE 3D graphical software which allows interactive viewing of 3 dimensional molecular structures and is currently used by journals such as Nature Structural & Molecular Biology and PLoS Biology and PLoS ONE. Workshop on NMR Methods for Structural Biology- This workshop will survey technologies for structure/function investigations of proteins, developed in (or in collaboration with) structural genomics projects, that are ready for widespread use by the wider biological community. Phenix Crystallography Software Workshop This workshop will introduce the PHENIX software for macromolecular structure determination and the core algorithms that it uses. It will provide hands-on tutorials for crystallographers of all levels. We hope to see you there! Best regards, Cheryl Arrowsmith ICSG 2011 Organizer Ted Baker Stephen Burley Dino Moras Joel Sussman Shigeyuki Yokoyama Tom Terwilliger ISGO Executive Committee

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Phenix version 1.7-650 and Pymol
by Leonid Flaks 04 Feb '11

04 Feb '11

>On Tue, Feb 1, 2011 at 5:49 AM, Leonid Flaks<flaks at bnl.gov <http://phenix-online.org/mailman/listinfo/phenixbb>> wrote: >>/ Nat, As I reported minutes ago coot issue is solved. Now I clicked on pymol />>/ button - got an error: />>/ />/> /usr/local/crys/64/phenix-1.7-650/pymol/pymol.exe: error while loading />/> shared libraries: libXmu.so.6: cannot open shared object file: No such file />>/ or directory /> >That's a system library, and not something we distribute or otherwise >interfere with. Does PyMOL even work on the command line? > >thanks, >Nat Nat, pymol is installed as rpm binary and works fine from command line. The library in question is also installed from rpm: dunkin:/home/pxuser 104: rpm -qf /usr/lib64/libXmu.so.6 libXmu-1.0.5-2.fc13.x86_64 dunkin:/home/pxuser 105: rpm -q pymol pymol-1.3-3.20100705svn3911.fc14.x86_64 Could it be something like LD_LIBRARY_PATH or similar? To tell the truth my users are happy to have coot working but don't care too much about the pymol at the moment, so I would not put very high priority on this problem. By the way, I never received you reply - had to cut-and-paste from the web interface. I am subscribed to digest, which has not showed up yet. Thanks, Leon -- Leonid Flaks Phone: (631) 344-2682 Fax : (631) 344-2741

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Phenix version 1.7-650 and Pymol
by Leonid Flaks 01 Feb '11

01 Feb '11

On 02/01/2011 04:20 AM, phenixbb-request(a)phenix-online.org wrote: > Message: 11 > Date: Mon, 31 Jan 2011 16:37:14 -0800 > From: Nathaniel Echols<nechols(a)lbl.gov> > To: PHENIX user mailing list<phenixbb(a)phenix-online.org> > Subject: Re: [phenixbb] Phenix version 1.7-650 and coot > Message-ID: > <AANLkTim6ux3V6FcfhXr_0vhNf2P9GWXfBh3aexbZcZ41(a)mail.gmail.com> > Content-Type: text/plain; charset=ISO-8859-1 > > On Fri, Jan 28, 2011 at 8:00 AM, Leonid Flaks<flaks(a)bnl.gov> wrote: >> > Hi! >> > I just installed phenix version 1.7-650 on fedora 14 64-bit and noticed that >> > if I start coot from within phenix interface, most of the icons on the right >> > hand side of the coot window are not displayed. >> > There is a lot of messages like this: >> > >> > Error loading icon: Couldn't recognize the image file format for file >> > '/usr/share/coot/pixmaps/residue-info.png' > Okay, apparently we missed an important environment variable in the > script that launches Coot from Phenix - several library paths need to > be cleansed to prevent conflicting with the libraries we distribute. > The one we didn't know about (because it never caused problems before) > appears to be XDG_DATA_DIRS. The crude fix for this is to edit > $PHENIX/phenix/phenix/command_line/start_coot.sh and add this line at > the end of a list of "unset" commands: > > unset XDG_DATA_DIRS > > It'll be fixed in the next build too. If this doesn't totally solve > the problem, let me know - I'm going to unset several other paths too, > but those didn't appear to have any effect on our Fedora 14 machine. > > -Nat Nat, As I reported minutes ago coot issue is solved. Now I clicked on pymol button - got an error: /usr/local/crys/64/phenix-1.7-650/pymol/pymol.exe: error while loading shared libraries: libXmu.so.6: cannot open shared object file: No such file or directory So, looks like we need to unset more variables indeed ;-) Meanwhile I'll just keep clicking on buttons... All the best, Leon -- Leonid Flaks Phone: (631) 344-2682 Fax : (631) 344-2741

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AutoBuild fails using NFS on Snow Leopard
by Chris Richardson 01 Feb '11

01 Feb '11

I've been having a problem running AutoBuild jobs in NFS-mounted project directories on Snow Leopard. The jobs start ok, but typically fail in a build cycle with the error "File exists". The problem is reproducible, but the exact details of the failure are not - the point at which the error occurs changes from run to run. Identical jobs run to completion if the project directory is on a local disk or an AFP-mounted volume. My guess is that it's a file locking issue, or maybe some sort of race condition in file creation. Has anybody else experienced this and if so, is there a solution? The details are: OS X 10.6.6, mounting volumes by NFS from a variety of machines (Ubuntu 10.0.4, OS X 10.6.6 & 10.4), Phenix 1.7-650. Regards, Chris -----%<----{ Log Extract }----- Sorry, a subprocess has failed... END OF LOG FILE /work/nedu/foop/phenix_nedu_nfs/AutoBuild_run_3_/TEMP0/RUN_FILE_3.log : rd desired_run_number=self.desired_run_number) File "/common/app/phenix-1.7-650/phenix/phenix/autosol/wizard_command_line.py", line 132, in __init__ overwrite_defaults=False,desired_run_number=desired_run_number) File "/common/app/phenix-1.7-650/phenix/phenix/wizards/AutoBuild.py", line 83, in __init__ init_OutputDir=init_OutputDir,init_RunInstance=init_RunInstance) File "/common/app/phenix-1.7-650/phenix/phenix/autosol/AutoBaseExtend.py", line 613, in local_init quiet=self.quiet,OutputDir=self.OutputDir) #032107 OutputDir File "/common/app/phenix-1.7-650/phenix/phenix/autosol/RunWizardPDS.py", line 65, in __init__ self.ScriptPDS=ScriptPDS(workspace=workspace) File "/common/app/phenix-1.7-650/phenix/phenix/pds/ScriptPDS.py", line 29, in __init__ PhenixDataStorage.__init__(self, dirname) File "/common/app/phenix-1.7-650/phenix/phenix/pds/PDS.py", line 233, in __init__ os.mkdir(self.dirname) OSError: [Errno 17] File exists: 'PDS/AutoBuild_run_1_' Possibly this subprocess is run on a machine with different architecture than the main process? -- Dr Chris Richardson :: Sysadmin, structural biology, icr.ac.uk The Institute of Cancer Research: Royal Cancer Hospital, a charitable Company Limited by Guarantee, Registered in England under Company No. 534147 with its Registered Office at 123 Old Brompton Road, London SW7 3RP. This e-mail message is confidential and for use by the addressee only. If the message is received by anyone other than the addressee, please return the message to the sender by replying to it and then delete the message from your computer and network.

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Re: [phenixbb] Phenix version 1.7-650 and coot - SOLVED!
by Leonid Flaks 01 Feb '11

01 Feb '11

On 02/01/2011 04:20 AM, phenixbb-request(a)phenix-online.org wrote: > Message: 11 > Date: Mon, 31 Jan 2011 16:37:14 -0800 > From: Nathaniel Echols<nechols(a)lbl.gov> > To: PHENIX user mailing list<phenixbb(a)phenix-online.org> > Subject: Re: [phenixbb] Phenix version 1.7-650 and coot > Message-ID: > <AANLkTim6ux3V6FcfhXr_0vhNf2P9GWXfBh3aexbZcZ41(a)mail.gmail.com> > Content-Type: text/plain; charset=ISO-8859-1 > > On Fri, Jan 28, 2011 at 8:00 AM, Leonid Flaks<flaks(a)bnl.gov> wrote: >> > Hi! >> > I just installed phenix version 1.7-650 on fedora 14 64-bit and noticed that >> > if I start coot from within phenix interface, most of the icons on the right >> > hand side of the coot window are not displayed. >> > There is a lot of messages like this: >> > >> > Error loading icon: Couldn't recognize the image file format for file >> > '/usr/share/coot/pixmaps/residue-info.png' > Okay, apparently we missed an important environment variable in the > script that launches Coot from Phenix - several library paths need to > be cleansed to prevent conflicting with the libraries we distribute. > The one we didn't know about (because it never caused problems before) > appears to be XDG_DATA_DIRS. The crude fix for this is to edit > $PHENIX/phenix/phenix/command_line/start_coot.sh and add this line at > the end of a list of "unset" commands: > > unset XDG_DATA_DIRS > > It'll be fixed in the next build too. If this doesn't totally solve > the problem, let me know - I'm going to unset several other paths too, > but those didn't appear to have any effect on our Fedora 14 machine. > > -Nat Nat, Just to confirm - your fix worked! Thank you very much, Leon -- Leonid Flaks Phone: (631) 344-2682 Fax : (631) 344-2741

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(no subject)
by Shuchi 01 Feb '11

01 Feb '11

hello, i have solved one structure and after solving the average B factor of the model is 107 and average B factor from wilson plot of DATA is 85.5 . is this fine or i did some wrong while fitting and refinement. resolution is 3.0 Angstroms . -- vandana kukshal CSIR-senior research fellow X ray lab ,MSB division central drug research institute lucknow

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Phenix version 1.7-650 and coot
by Leonid Flaks 01 Feb '11

01 Feb '11

Hi! I just installed phenix version 1.7-650 on fedora 14 64-bit and noticed that if I start coot from within phenix interface, most of the icons on the right hand side of the coot window are not displayed. There is a lot of messages like this: Error loading icon: Couldn't recognize the image file format for file '/usr/share/coot/pixmaps/residue-info.png' for png and svg files in the console window. I can see all of the icons if I start coot directly. I am using coot version 1.6.2-pre1 rev 3213 which is installed on 64-bit fedora 14 as a rpm file. I did not see this issue on a phenix version 1.6.4-476 with the same version of coot. Thanks, Leon -- Leonid Flaks Phone: (631) 344-2682 Fax : (631) 344-2741

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phenix.mr_rosetta paths
by Ben Eisenbraun 01 Feb '11

01 Feb '11

Hi, I'm testing Rosetta 3.2+PHENIX 1.7-650, and in the phenix.mr_rosetta output, I see: Checking rosetta paths: rosetta binary: /programs/l/rosetta/3.2/rosetta_source/bin/mr_protocols.default database_dir: /programs/l/rosetta/3.2/rosetta_database script_dir: /programs/l/rosetta/3.2/rosetta_source/src/apps/public/electron_density pilot_script_dir: /programs/l/rosetta/3.2/rosetta_source/src/apps/pilot/frank/ In the script directory, the C++ files were not built along with the regular Rosetta build. Do those need to be compiled for the target platform? Also, the pilot_script_dir is empty. Is there supposed to be something in there? Thanks. -ben -- | Ben Eisenbraun | SBGrid Consortium | http://sbgrid.org | | Harvard Medical School | http://hms.harvard.edu |

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translation/rotation matrix
by Yogesh Gupta 31 Jan '11

31 Jan '11

Dear PhenixBB members, I calculated two maps one using 3 wavelengths Se to 4.2A, and 3 wavelength Ta to ~3.9A for ~100kDa protein in space group P62 with 1 molecule in A.U. These crystals are non-isomorphous. Ta MAD map is better than Se MAD map. There is no model available at this point. Is there a way to transform Se sites accurately to the Ta map? Thanks for your help. Yogesh -- -------------------------------------------------- Yogesh K. Gupta, Ph.D. Dept of Structural & Chemical Biology Mount Sinai School of Medicine Icahn Medical Institute 1 Gustave L. Levy Place, Box 1677 New York, NY, USA 10029 Tel:+1 212-659-8639 --------------------------------------------------

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Re: [phenixbb] Phenix version 1.7-650 and coot
by Leonid Flaks 31 Jan '11

31 Jan '11

On 01/29/2011 03:00 PM, phenixbb-request(a)phenix-online.org wrote: > Message: 1 > Date: Fri, 28 Jan 2011 12:09:01 -0800 > From: Nathaniel Echols<nechols(a)lbl.gov> > To: PHENIX user mailing list<phenixbb(a)phenix-online.org> > Subject: Re: [phenixbb] Phenix version 1.7-650 and coot > Message-ID: > <AANLkTini0jaSAh9KKv1xZGbtE4ABtdU2_G5KMxWP0c4p(a)mail.gmail.com> > Content-Type: text/plain; charset=ISO-8859-1 > > On Fri, Jan 28, 2011 at 8:00 AM, Leonid Flaks<flaks(a)bnl.gov> wrote: >> I just installed phenix version 1.7-650 on fedora 14 64-bit and noticed that >> if I start coot from within phenix interface, most of the icons on the right >> hand side of the coot window are not displayed. >> There is a lot of messages like this: >> >> Error loading icon: Couldn't recognize the image file format for file >> '/usr/share/coot/pixmaps/residue-info.png' >> >> for png and svg files in the console window. I can see all of the icons if I >> start coot directly. I am using coot version 1.6.2-pre1 rev 3213 which is >> installed on 64-bit fedora 14 as a rpm file. I did not see this issue on a >> phenix version 1.6.4-476 with the same version of coot. > Could you please send me the complete console output from Coot under > these conditions: > > a) when launching from Phenix 1.7 > b) when launching from Phenix 1.6.4 > c)when launching from the command line? > > Very little has changed in the Coot-related parts of Phenix since > 1.6.4, so I'm not sure how it's possible for one to work but not the > other. In the past, errors like this were due to conflicts with the > shared libraries distributed with Phenix, but we largely reset the > environment when starting Coot to avoid the problem, and I'm pretty > sure we started that a year and a half ago. > > thanks, > Nat > Nat, first of all - my apologies for the incorrect report. It turned out this problem exists in phenix 1.6.4 under fedora 14 also - just nobody noticed it on the current setup! Fedora 14 is about 2 month old and we are coming out of the winter shutdown. We had a mixture of fedora 12 and 13 before and did not see that problem. Of course, python version has been changed to python-2.7 for Fedora 14. Console output for all 3 conditions are saved. I'll mail them to you directly - I don't want to flood the list. Thanks, Leon -- Leonid Flaks Phone: (631) 344-2682 Fax : (631) 344-2741

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cis peptides
by Timothy Springer 30 Jan '11

30 Jan '11

Is there an easy way to specify unwanted cis-peptides and remove them in refinement or with torsion dynamics or SA? Tim

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Re: [phenixbb] Global refinement parameters - use statistical model for missing atoms
by Joseph Noel 30 Jan '11

30 Jan '11

Hi Pavel! Thanks for the reply. It does seem to be working though in the current version as long as I choose advanced level in the gui. Does it make sense though that it is lowering my Free-R? Also, the upshot is that the Fo-Fc maps are much flatter. I can see waters to build but only in the 2Fo-Fc sigmaa weighted maps so it does certainly seem to be doing something. Anyway, I look forward to the docs on it when you officially release it. Seems useful! Best- Joe ___________________________________________________________ Joseph P. Noel, Ph.D. Investigator, Howard Hughes Medical Institute Professor, The Jack H. Skirball Center for Chemical Biology and Proteomics The Salk Institute for Biological Studies 10010 North Torrey Pines Road La Jolla, CA 92037 USA Phone: (858) 453-4100 extension 1442 Cell: (858) 349-4700 Fax: (858) 597-0855 E-mail: noel(a)salk.edu Web Site (Salk): http://www.salk.edu/faculty/faculty_details.php?id=37 Web Site (HHMI): http://hhmi.org/research/investigators/noel.html ___________________________________________________________

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selection string for omit maps
by Alexandra Deaconescu 29 Jan '11

29 Jan '11

Hi: I am new to Phenix and I am currently using the GUI. I would like to compute a sa-omit map by leaving out residues 204-209 of my chain C. In the GUI, what is the proper syntax for this selection string? I tried a few obvious formats but the jobs failed. Thank you very much in advance, Alexandra ----- Original Message ----- From: phenixbb-request(a)phenix-online.org To: phenixbb(a)phenix-online.org Sent: Tue, 25 Jan 2011 15:00:01 -0500 (EST) Subject: phenixbb Digest, Vol 62, Issue 25 Send phenixbb mailing list submissions to phenixbb(a)phenix-online.org To subscribe or unsubscribe via the World Wide Web, visit http://phenix-online.org/mailman/listinfo/phenixbb or, via email, send a message with subject or body 'help' to phenixbb-request(a)phenix-online.org You can reach the person managing the list at phenixbb-owner(a)phenix-online.org When replying, please edit your Subject line so it is more specific than "Re: Contents of phenixbb digest..." Today's Topics: 1. Problem with loop fitting (Kendall Nettles) 2. Re: Problem with loop fitting (Tom Terwilliger) 3. Re: Problem with loop fitting (Kendall Nettles) 4. Ligandfit bug report (Kendall Nettles) 5. Re: Ligandfit bug report (Nigel Moriarty) 6. ADP: fix_wxu and wxu_scale (fulvio saccoccia) 7. Re: Problem with loop fitting (Tom Terwilliger) 8. Re: ADP: fix_wxu and wxu_scale (Pavel Afonine) 9. Re: adp values (Pavel Afonine) ---------------------------------------------------------------------- Message: 1 Date: Mon, 24 Jan 2011 15:47:02 -0500 From: Kendall Nettles <knettles(a)scripps.edu> To: PHENIX user mailing list <phenixbb(a)phenix-online.org> Subject: [phenixbb] Problem with loop fitting Message-ID: <C9634F76.F559%knettles(a)scripps.edu> Content-Type: text/plain; charset="iso-8859-1" Dear PHENIX developers, I am trying fit_loops for the first time and getting error message: "No suitable gap found matching residues" I'm not sure what the problem is. Best regards, Kendall Nettles knettles$ phenix.fit_loops pdb_in=Liganded_overall_best-coot-1.pdb mtz_in=cycle_best_refine_map_coeffs_1.mtz seq_file=seq.dat start=331 end=336 chain_id=A # fit_loops # # Fit loops in a PDB file with gaps # Type phenix.doc for help Input sequence file is seq.dat Reading sequence from seq.dat Fit_loops: Fit a missing loop in a model. Map from: TEMP_cycle_best_refine_map_coeffs_1.mtz using labin FP=2FOFCWT PHIB=PH2FOFCWT Model from: Liganded_overall_best-coot-1.pdb LABIN LINE: FP=2FOFCWT PHIB=PH2FOFCWT No suitable gap found matching residues 331 - 336 chain: A No final model obtained

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Global refinement parameters - use statistical model for missing atoms
by Joseph Noel 29 Jan '11

29 Jan '11

Hi All, Does it make sense that when the box for "use statistical model for missing atoms" is picked under the GUI's "Global refinement parameters options" that one might obtain "better" Free-R values? I seem to be seeing that for a 2.3 A refinement of a crystal with a monomer of 550 residues in the asymmetric unit and 68% solvent content. When I uncheck the box I get about a 3% increase in Free-R. Is there more information about what this option is actually doing and when it might be useful to employ? Joe ___________________________________________________________ Joseph P. Noel, Ph.D. Investigator, Howard Hughes Medical Institute Professor, The Jack H. Skirball Center for Chemical Biology and Proteomics The Salk Institute for Biological Studies 10010 North Torrey Pines Road La Jolla, CA 92037 USA Phone: (858) 453-4100 extension 1442 Cell: (858) 349-4700 Fax: (858) 597-0855 E-mail: noel(a)salk.edu Web Site (Salk): http://www.salk.edu/faculty/faculty_details.php?id=37 Web Site (HHMI): http://hhmi.org/research/investigators/noel.html ___________________________________________________________

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REMINDER - EMBO 2011 Practical Course - ESRF-EMBL, Grenoble, France, 6 - 10 June 2011
by Daniele de Sanctis 28 Jan '11

28 Jan '11

Hi all, Just a reminder, as deadline is approacing DEADLINE TO APPLY FEBRUARY 28th COURSE ANNOUCEMENT EMBO 2011 Practical Course - Exploiting Anomalous Scattering in Macromolecular Structure Determination ESRF-EMBL, Grenoble, France, 6 - 10 June 2011 The EMBO 2011 Practical Course on Exploiting Anomalous Scattering in Macromolecular Structure Determination will be hosted by the ESRF in Grenoble, France from 6 to 10, June 2011. The course aims to impart the theoretical and practical basis for the 3-dimensional structure determination of bio-macromolecules using Anomalous Dispersion techniques (SAD & MAD) to young scientists who intend to apply these methods in macromolecular crystallography. Through a series of lectures, software demonstrations, practicals on the ESRF beamlines and tutorials, participants will get insights into all aspects of the structure determination process including beamline instrumentation, data collection and processing, heavy atom substructure determination, phasing and model building. There will also be sessions focusing on automated structure solution procedures and newer methods. Additional sessions will include presentations of distinguished structures solved with these techniques. The number of participants is limited to 20 and the deadline for application is February 28th, 2011. Additional information, course programme and instructions to apply to the course can be found in the course webpages: http://cwp.embo.org/pc11-03/ -- ἀρετή --------------------------------------- Daniele de Sanctis, PhD Structural Biology Group ESRF, Grenoble, France Tel 33 (0)4 76 88 2869

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Carien Dekker is out of the office.
by carien.dekker＠novartis.com 26 Jan '11

26 Jan '11

I will be out of the office starting 01/27/2011 and will not return until 01/31/2011. I will respond to your message when I return.

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Phenix version 1.7 released
by Paul Adams 26 Jan '11

26 Jan '11

The Phenix developers are pleased to announce that version 1.7 of Phenix is now available. Binary installers for Linux, and Mac OSX platforms are available at the download site: http://phenix-online.org/download/ Some of the new features in this version are: Graphical Interface ------------------- - Simplified AutoMR interface for single-component searches. - Multi-criterion validation kinemage display in KiNG. - Validation of RNA, isotropic ADPs, occupancies. - Improved project management interface, which will automatically import old projects to the new format when upgrading from a previous version of Phenix. - Integrated help browser on Mac with contextual help buttons embedded in program windows. - phenix.find_tls_groups available as part of the phenix.refine GUI. - Improved and expanded documentation for wizard and Phaser GUIs. Structure refinement -------------------- - A new fast real space refinement protocol, which can substantially improve poor starting models. - A fast method for automated identification of TLS groups (phenix.find_tls_groups). - Reference model, Ramachandran, and secondary structure restraints to improve refinement at low resolution. - Automated secondary structure restraint generation for non-Watson-Crick base pairs (using the Saenger classification). - Automatic support for D-peptides when using standard PDB residue names. Molecular Replacement --------------------- - A new command, phenix.mr_rosetta, which integrates molecular replacement, automated model building and Rosetta model rebuilding for difficult structures. - A new fast search method in Phaser for efficiently locating multiple copies of the same molecule - A new program (mr_model_preparation) for preparing models for molecular replacement, which automatically downloads related molecules based on a sequence alignment and runs sculptor. - Improvements to ensemble generation (phenix.ensembler), with an option to use secondary structure matching (using code from Eugene Krissinel). Ligand fitting -------------- - New tool for automated ligand fitting using previous structures of related protein/ligand complexes (phenix.guided_ligand_replacement). - Bug fixes and other improvements to phenix.elbow. Analysis -------- - Multi-criterion kinemages can now handle custom restraints (from a .cif file). - RNA model validation is now available on the command line (phenix.rna_validate). - Updates to phenix.model_vs_data, which now generates Sigma-A plots and more detailed ADP statistics. For a full list of changes see: http://www.phenix-online.org/documentation/CHANGES Please note that this publication should be used to cite use of Phenix: PHENIX: a comprehensive Python-based system for macromolecular structure solution. P. D. Adams, P. V. Afonine, G. Bunkóczi, V. B. Chen, I. W. Davis, N. Echols, J. J. Headd, L.-W. Hung, G. J. Kapral, R. W. Grosse-Kunstleve, A. J. McCoy, N. W. Moriarty, R. Oeffner, R. J. Read, D. C. Richardson, J. S. Richardson, T. C. Terwilliger and P. H. Zwart. Acta Cryst. D66, 213-221 (2010). Full documentation is available here: http://www.phenix-online.org/documentation/ There is a Phenix bulletin board: http://www.phenix-online.org/mailman/listinfo/phenixbb/ Please consult the installer README file or online documentation for installation instructions. Direct questions and problem reports to the bulletin board or: help(a)phenix-online.org and bugs(a)phenix-online.org Commercial users interested in obtaining access to Phenix should visit the Phenix website for information about the Phenix Industrial Consortium. The development of Phenix is principally funded by the National Institute of General Medical Sciences (NIH) under grant P01-GM063210. We also acknowledge the generous support of the members of the Phenix Industrial Consortium. -- Paul Adams Deputy Division Director, Physical Biosciences Division, Lawrence Berkeley Lab Adjunct Professor, Department of Bioengineering, U.C. Berkeley Vice President for Technology, the Joint BioEnergy Institute Head, Berkeley Center for Structural Biology Building 64, Room 248 Tel: 1-510-486-4225, Fax: 1-510-486-5909 http://cci.lbl.gov/paul Lawrence Berkeley Laboratory 1 Cyclotron Road BLDG 64R0121 Berkeley, CA 94720, USA. Executive Assistant: Kathleen Moody [ KLMoody(a)lbl.gov ][ 1-510-495-2506 ] --

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