[Molvis-list] adding hydrogens to a pdb file

Jeff Cohlberg cohlberg at csulb.edu
Tue Jan 18 14:53:40 EST 2005

There used to be a WHAT IF web interface in which a user could submit a 
PDB ID number and get back an "hadded.pdb" file with hydrogen atoms 
added.  This site no longer exists, and the WHAT IF software is now only 
available to those who purchase it for 500 Euros (at 

Is there any other free software or server which can add hydrogens to a 
PDB file?

Jeff Cohlberg

Jeffrey A. Cohlberg, Professor
Department of Chemistry and Biochemistry
California State University, Long Beach
1250 Bellflower Blvd.
Long Beach, CA 90840
phone (562) 985-4944	  fax (775) 248-1263

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