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model shifts after real space refinement
by Ashok Nayak 15 Dec '21

15 Dec '21

Hi, Is there a way to say keep_origin=False in phenix real space refinement. I used it in the command line version of v3958. It didn't take that. There is a model shift after the refinement which I think is because the program brings the map to the origin and hence the refined model as well. Thanks, Ashok -- Post-Doctoral Fellow Department of Biochemistry and Molecular Biology, Sidney Kimmel cancer Center Thomas Jefferson University 1020 Locust Street, JAH Philadelphia, PA, 19107 Phone: 804-661-4620

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Job Opportunities at Surrozen Inc (SFO Bay Area)
by Parthasarathy Sampathkumar 14 Dec '21

14 Dec '21

Dear All, I would like to bring to the attention of suitable candidates the following exciting job opportunities at Surrozen Inc, located in South San Francisco. Surrozen is a biotechnology company focused on discovering and developing novel regenerative medicines with a focus on unlocking the powerful self-renewal properties of the body through specific control of the Wnt signaling pathway. Our vision is to engage the body’s own biological tissue repair mechanisms with our targeted regenerative antibodies, overcoming research and development hurdles that have been previously intractable, and have held back drug development efforts in the promising area of Wnt biology. *Research Associate/Senior Research Associate, Biochemistry and Biophysics:* https://apply.workable.com/surrozen/j/ACBA0B0D96/ *Scientist, Protein Sciences: * https://apply.workable.com/surrozen/j/DF4518083F/ *Research Associate, Protein Purification:* https://apply.workable.com/surrozen/j/7D64A01556/ Many Thanks, Best Wishes, Partha Sampathkumar PhD Principal Scientist Surrozen Inc Email: partha(a)surrozen.com

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NIH-funded Postdoc, Membrane Protein Structural Biology
by Alex Vecchio 14 Dec '21

14 Dec '21

Dear Phenix Community, I would like to bring your attention to an NIH-funded Postdoc position in the Vecchio Lab <https://vecchio-lab.unl.edu> at the University of Nebraska studying membrane proteins and membrane protein assemblies using X-ray crystallography and cryoEM. We are looking for a Ph.D., with experience in membrane proteins and/or crystallography. Potential exists for the candidate to *acquire cryoEM expertise* during the postdoc training via an NSF fellowship. For more information, please read our ad HERE <https://jobrxiv.org/job/vecchio-lab-at-university-of-nebraska-27778-nih-fun…> . To apply or for specific questions, please contact me at avecchio(a)unl.edu. All the best, Alex -- *Alex J. Vecchio, Ph.D.* *Assistant Professor* *University of Nebraska–Lincoln* *Department of Biochemistry* *Center for Integrated Biomolecular Communication* 1901 Vine Street N113 / N114 Beadle Center [Lab / Office] Lincoln, NE 68588 avecchio(a)unl.edu 1 [402] 472-2933

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Ligand CIF file in real space refinement
by Fadini, Alisia 06 Dec '21

06 Dec '21

Hello, I am trying to use phenix.real_space_refine to improve the fit between my protein's ligand and the electron density. I include a CIF file that has worked well for reciprocal space refinement, made through JLigand. It seems to me that the CIF file is read properly, it does not produce errors and the restrains are stated correctly in the output .cif file that includes all protein + ligand atoms. However, the output pdb shows a distorted ligand, where specific bond angles and bond lengths have been modified past what should be allowed by the restrains. Any insights on how to improve/the causes of this effect would be very welcome! My command is : phenix.real_space_refine model.pdb map.ccp4 ligand.cif resolution=1.63 Thank you, Alisia

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phenix installation problem
by princeadam＠163.com 03 Dec '21

03 Dec '21

Dear all I tried to install Phenix on my virtual machine(Ubuntu) in win11. And got the following error message. ========================================================================== Phenix Installation version: 1.19.2-4158 machine type: intel-linux-2.6-x86_64 OS version: 5.11.0-40-generic destination: /usr/local/phenix-1.19.2-4158 # of processors: 1 ========================================================================= Configuring Phenix components... Traceback (most recent call last): File "./bin/install.py", line 245, in <module> installer(sys.argv[1:]).install() File "/media/sf_Virtual_Shared_Folder/phenix-installer-1.19.2-4158-intel-linux-2.6-x86_64-centos6/lib/libtbx/auto_build/install_distribution.py", line 200, in install self.install_from_binary() File "/media/sf_Virtual_Shared_Folder/phenix-installer-1.19.2-4158-intel-linux-2.6-x86_64-centos6/lib/libtbx/auto_build/install_distribution.py", line 349, in install_from_binary self.reconfigure(log=log) File "/media/sf_Virtual_Shared_Folder/phenix-installer-1.19.2-4158-intel-linux-2.6-x86_64-centos6/lib/libtbx/auto_build/install_distribution.py", line 431, in reconfigure call(args=args, log=log, verbose=self.options.verbose) File "/media/sf_Virtual_Shared_Folder/phenix-installer-1.19.2-4158-intel-linux-2.6-x86_64-centos6/lib/libtbx/auto_build/installer_utils.py", line 55, in call raise RuntimeError("Call to '%s' failed with exit code %d" % (args, rc)) RuntimeError: Call to '/usr/local/phenix-1.19.2-4158/conda_base/bin/python /usr/local/phenix-1.19.2-4158/modules/cctbx_project/libtbx/configure.py --current_working_directory /usr/local/phenix-1.19.2-4158/build --command_version_suffix 1.19.2-4158 phenix phaser solve_resolve labelit dials xia2 iota prime amber_adaptbx --use_conda' failed with exit code 127 I searched phenixbb, and got the similar information from http://www.phenix-online.org/pipermail/phenixbb/2015-November/022456.html It's a pity , that the answer was not suiable for me. I have root access to write to usr/local. And under /usr/local/phenix-1.19.2-4158 , I can see four folders:build, conda_base, doc, modules. Any one has suggestions? all the best Adam

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opportunity for experienced crystallographer
by Mooers, Blaine H.M. (HSC) 30 Nov '21

30 Nov '21

Associate Director of the Laboratory of Biomolecular Structure and Function The Laboratory of Biomolecular Structure and Function (LBSF) at the University of Oklahoma Health Sciences Center (OUHSC) seeks an experienced crystallographer to run the daily operations of the LBSF. The position is at the Assistant Professor of Research level. The candidate will be responsible for working with PIs to advance their structural biology projects. These efforts will include routine technical operations, developing new protocols to overcome challenging problems, and training the staff of user labs in protein purification, crystallization, data collection, and structure determination. The ideal candidate for this position will have a PhD and ten years of experience in macromolecular crystallography. The candidate will not be expected to write grant applications. Pluses in a candidate's background include experience with membrane protein purification and LCP crystallization, experience with Cyro-EM, or experience with other structural biology methods like microED, SAXS, SANS, XAFS, NMR, or XFELS. The LBSF is part of a suite of core labs supported in part by the OUHSC Vice President of Research. The LBSF is also part of the Biomolecular Structure Core (BSC) for the Oklahoma Center of Biomedical Research Excellence in Structural Biology (OCSB), which is based on the main campus in Norman. The BSC has contributed to the awarding of 23 million dollars in grant funding and 33 publications in the past nine years. The OCSB has been the focal point of Oklahoma's structural biology community for nine years. The community includes 50 labs at three major research institutions. The BSC will be a vital part of a new Center for Therapeutic Science. The center will coordinate and foster the drug development pipeline with the BSC playing a central role in structure-based drug design. The LBSF will be working closely with Dr. Matt Hart (https://basicsciences.ouhsc.edu/bmb/Faculty/bio_details/hart-matthew-phd-1), Director of the newly established Center for High Throughput Screening. Most of the 12 major users of the LBSF have cancer-related projects. One project led to the 2021 publication of crystal structures of RET Kinase bound to two drug molecules recently approved by the FDA for the treatment of non-small cell lung cancer. Most of the major users are members of the Stephenson Cancer Center, a National Cancer Institute-designated cancer center. The compensation level for this full-time position includes a generous benefits package. The position is based in Oklahoma City -- an affordable place to raise a family. To apply, please submit a cover letter, CV and contact information (name and email) for three references to Blaine Mooers, Director of the Laboratory of Biomolecular Structure and Function at OUHSC, at blaine-mooers at http://ouhsc.edu. The position will remain open until filled. Application review will begin immediately. OUHSC is an equal opportunity employer and is committed to creating a diverse and inclusive environment for all employees. Best regards, Blaine Blaine Mooers, Ph.D. Associate Professor Department of Biochemistry and Molecular Biology, College of Medicine Director of the Laboratory of Biomolecular Structure and Function Academic Director, Biomolecular Structure Core, COBRE in Structural Biology Full Member, Cancer Biology Program, Stephenson Cancer Center University of Oklahoma Health Sciences Center Mailing Address: 975 NE 10th Street, BRC 466 Oklahoma City, OK 73104-5419 Office: 405-271-8300 Lab: 405-271-8312 Websites: Faculty page: https://basicsciences.ouhsc.edu/bmb/Faculty/bio_details/mooers-blaine-hm-phd BSC-OKC (LBSF): https://research.ouhsc.edu/Core-Facilities/Laboratory-of-Biomolecular-Struc… COBRE in Structural Biology: https://www.ou.edu/structuralbiology

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iotbx.merging_statistics on Python 3: too memory consuming
by Martin Malý 29 Nov '21

29 Nov '21

Dear PHENIX & CCTBX developers and users, I tried to calculate merging statistics with CCTBX tools using Python 3. I realized that the memory requirements are much higher comparing with Python 2... I closed all programs firstly so I had just 1.6 GB RAM used of 7.6 GB total RAM. Then I ran these two lines of code in the cctbx.python shell: import iotbx.merging_statistics i_obs = iotbx.merging_statistics.select_data(file_name="XDS_ASCII.HKL", data_labels=None) Python 2.7: The RAM usage went to 4.8 GB and then I was able to calculate merging statistics. Python 3.7: The module import was successful. Then the RAM usage went to total 7.6 GB and then the process was killed by the operating system (CentOS 7). Please, do you have any suggestion how to use this module "more carefully" and save memory? Thank you! Best regards, Martin Malý ----- Upozornění: Není-li v této zprávě výslovně uvedeno jinak, má tato e-mailová zpráva nebo její přílohy pouze informativní charakter. Tato zpráva ani její přílohy v žádném ohledu Biotechnologický ústav AV ČR, v. v. i. k ničemu nezavazují. Text této zprávy nebo jejích příloh není návrhem na uzavření smlouvy, ani přijetím případného návrhu na uzavření smlouvy, ani jiným právním jednáním směřujícím k uzavření jakékoliv smlouvy a nezakládá předsmluvní odpovědnost Biotechnologického ústavu AV ČR, v. v. i. Disclaimer: If not expressly stated otherwise, this e-mail message (including any attached files) is intended purely for informational purposes and does not represent a binding agreement on the part of Institute of Biotechnology of the Czech Academy of Sciences. The text of this message and its attachments cannot be considered as a proposal to conclude a contract, nor the acceptance of a proposal to conclude a contract, nor any other legal act leading to concluding any contract, nor does it create any pre-contractual liability on the part of Institute of Biotechnology of the Czech Academy of Sciences.

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Job vacancy: Institute Research Investigator within the Therapeutics Discovery Division at MD Anderson Cancer Center
by Leonard,Paul G 18 Nov '21

18 Nov '21

Hi, The Structural Chemistry group, within the Therapeutics Discovery Division of MD Anderson Cancer Center is looking for a highly motivated individual with a strong background in structural biology, using X-ray crystallography and/or single particle cryo-EM to determine high resolution structures of proteins and protein complexes. Our mission is to integrate novel biological insights with drug discovery expertise to accelerate the development of innovative, targeted, small-molecule therapeutics for the treatment of cancer or neurodegenerative diseases. Our work is conducted in a team science environment that brings together excellence in both academic and pharmaceutical discovery. The structural chemistry group provides structural biology support for several drug discovery programs in our pipeline, spanning from early stage drug discovery through lead optimization. For a full job description and to submit an application please use the following link... https://jobs.mdanderson.org/search/jobdetails/institute-research-investigat… kind regards, Paul Leonard Senior Institute Research Scientist MD Anderson Cancer Center 1881 East Road Houston TX 77054 USA The information contained in this e-mail message may be privileged, confidential, and/or protected from disclosure. This e-mail message may contain protected health information (PHI); dissemination of PHI should comply with applicable federal and state laws. If you are not the intended recipient, or an authorized representative of the intended recipient, any further review, disclosure, use, dissemination, distribution, or copying of this message or any attachment (or the information contained therein) is strictly prohibited. If you think that you have received this e-mail message in error, please notify the sender by return e-mail and delete all references to it and its contents from your systems.

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Research Associate position in structural biology at Takeda in San Diego
by L Qin 17 Nov '21

17 Nov '21

Dear PHENIX user mailing list members, The Structural Biology group at Takeda Pharmaceuticals in San Diego California has an open position for a Research Associate. I invite interested candidates to apply through the following link: https://www.takedajobs.com/job/san-diego/research-associate-structural-biol… Please feel free to contact me for further information. Best regards, Ling Ling Qin PhD Structural Biology Takeda Development Center Americas 9625 Towne Centre Dr, San Diego, CA 92121 <http://www.avg.com/email-signature?utm_medium=email&utm_source=link&utm_cam…> Virus-free. www.avg.com <http://www.avg.com/email-signature?utm_medium=email&utm_source=link&utm_cam…> <#DAB4FAD8-2DD7-40BB-A1B8-4E2AA1F9FDF2>

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MizzouForward faculty hiring campaign
by Tanner, John J. 17 Nov '21

17 Nov '21

Dear Colleagues: The University of Missouri has initiated a major faculty hiring campaign, called MizzouForward, which intends to hire 150 new faculty members over the next 5 years. Successful candidates must be research leaders with a passion for collaboration and a proven track record of active, external research funding, particularly from federal agencies like NIH. This initiative coincides with the recent grand opening of the NextGen Precision Health research building, which houses a newly upgraded imaging center with a Krios G4 and Aquilos Cryo-FIB. Other investments in structural biology include a share of ALS beamline 4.2.2 and a Bruker 800 MHz NMR with cryoprobe. For more information, please see: https://provost.missouri.edu/mizzou-forward/ -- Jack Tanner (tannerjj(a)missouri.edu<mailto:[email protected]>) and Lesa Beamer (BeamerL(a)missouri.edu<mailto:[email protected]>) Department of Biochemistry University of Missouri 117 Schweitzer Hall 503 S College Avenue Columbia, MO 65211

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