Dear all, Thanks for solving lot of problem of me in doing membrane membrane protein simulation. Now I have a one problem I want to add ion to the my system by genion command
for this i am following justin's tutorial but in the genion step when i have put the command like this - genion -s ions.tpr -o compsol-ions.gro -p topol1.top -pname NA+ -nname CL- -np 1 and I choose the 0 for adding ions to the system then I have got the error like this - Opening library file /usr/local/gromacs/share/gromacs/top/aminoacids.dat Group 0 ( System) has 598751 elements Group 1 ( Protein) has 9902 elements Group 2 ( Protein-H) has 7778 elements Group 3 ( C-alpha) has 1000 elements Group 4 ( Backbone) has 3000 elements Group 5 ( MainChain) has 4000 elements Group 6 (MainChain+Cb) has 4922 elements Group 7 ( MainChain+H) has 4961 elements Group 8 ( SideChain) has 4941 elements Group 9 ( SideChain-H) has 3778 elements Group 10 ( Prot-Masses) has 9902 elements Group 11 ( Non-Protein) has 588849 elements Group 12 ( DMPC) has 5520 elements Group 13 ( SOL) has 583329 elements Group 14 ( Other) has 588849 elements Select a group: 0 Selected 0: 'System' ------------------------------------------------------- Program genion, VERSION 4.0.3 Source code file: gmx_genion.c, line: 443 Fatal error: Your solvent group size (598751) is not a multiple of 8 ------------------------------------------------------- can any suggest me what should I do to solve this problem . I am doing first time all these these things so if anyone can suggest me something I will be really thankful for him/her. Thanks a lot. Nitu Sharma School of life sciences Jawaherlal nehru university New delhi, india
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