Hi Qun Wan,

check out this:

http://www.phenix-online.org/documentation/refinement.htm#anch28

and slide #37 here:

http://www.phenix-online.org/presentations/neutron_japan_2009/
   -> Structure refinement and PHENIX (morning session) (PDF)

this says some things about hydrogens in refinement.

Pavel.



My crystal data only difftracted to 2.4A, so hydrogen atoms cannot be seen. In the refinement, my ligand should not contain hydrogen atoms. So I add one more option not to add hydrogen following the online phenix documentation:

    phenix.elbow --initial_geometry --write-hydrogens=False egcg.mol2 --opt --output="LIG" --pdb-ligand

However, the program failed. Does anyone know why?
Usage: phenix.elbow [options]
phenix.elbow: error: no such option: --write-hydrogens

--
Qun Wan
Department of Pharmacology, Case Western Reserve University
10900 Euclid Avenue, Cleveland, OH 44106
email: [email protected]
lab phone: 216-368-3337

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