[gmx-users] Help!

[ankur gupta]

Hi I am new in Gromacs and while trying to convert 1QHK.pdb file to
gromacs file using pdb2gmx command encountered the following error. 

Fatal error: Atom HA1 is residue GLY 1 not found in rtp database while
sorting atoms. May be different protonation state. Remove this hydrogen or
choose a different protonation state. Option -ignh will ignore all 
hydrogen in the input.

I have encountered similar type of error with other Proteins also. Please
help me. Its really Urgent.
Thanks
Ankur Gupta

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                         A   N   N K  K U   U R R R
                        A A  N N N K K  U   U R R R  
                       A A N N N N K  K UUUUU R   R
                            
                               ANKUR GUPTA                            
                      FIFTH YEAR UNDERGRADUATE STUDENT
                               ROOM NO B-208
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                       INDIAN INSTITUTE OF TECHNOLOGY
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