Dear Pavithrakb, First of all, your choice will depend on the available parameters for the lipid molecules that you want to simulate (check the Lipidbook repository<http://lipidbook.bioch.ox.ac.uk/> ).
Concerning the GROMOS force fields the most recent lipid parameters are the ones included in the G54A8 force field (Reif_2012_JCTC_8_3705, Reif_2013_JCTC_9_1247). However, Poger et al proposed an add-on to the standard G53A6 (Poger_2010_JCC_31_1117 and Poger_2010_JCTC_6_325), lately incorporated in the G54A7 (Schmidt_2011_EBJ_40_843), that is commonly used and yields good results for the analysed lipid parameters (i.e. in agreement with experimental measurements). Despite the aforementioned papers, you might want to go through the references listed bellow concerning several lipid parameters for GROMOS force fields or proposed modifications (e.g. cutoff schemes, charges, charge group distributions): - Berger lipids: Berger_1997_JB_72_2010 - Ash lipids: Tieleman_2006_JPCM_18_S1221 - G43A1-S3: Chiu_2009_JPCB_113_2748 - G45A3: Schuler_2001_JCC_22_1205, Chandrasekhar_2003_EBJ_32_67 - Modified Berger: Anezo_2003_JPCB_107_9424 - Modified ffG45A3: Anezo_2003_JPCB_107_9424 - Kukol lipids: Kukol_2009_JCTC_5_615 - G53A6L: Poger_2010_JCC_31_1117, Poger_2010_JCTC_6_325 - G54A7: Schmidt_2011_EBJ_40_843 - G54A8: Reif_2012_JCTC_8_3705, Reif_2013_JCTC_9_1247 -- Catarina Santos Research Student Molecular Simulation Group Instituto de Tecnologia Química e Biológica Universidade Nova de Lisboa Av.da República, Apartado 127 2781-901 Oeiras, Portugal -- gmx-users mailing list gmx-users@gromacs.org http://lists.gromacs.org/mailman/listinfo/gmx-users * Please search the archive at http://www.gromacs.org/Support/Mailing_Lists/Search before posting! * Please don't post (un)subscribe requests to the list. Use the www interface or send it to gmx-users-requ...@gromacs.org. * Can't post? Read http://www.gromacs.org/Support/Mailing_Lists
