; GROMOS43A1-S3 DLPC lipid ; extracted from Common PC lipids itp file 'lipids_43A1-S3.itp' ; ; Use ffG43A1-S3 parameter files ; KW-type potential (gd_kw20) is used for the dihedrals -CH2*-CH2*-CH2*-CH2*- ; of hydrocarbon chains. ; Partial charges on the head group atoms were derived from HF/6-31G* ; calculation ; Recommend to use VDW cutoff 1.6 nm and PME for electrostatic interaction with ; 1.0 nm cutoff in real space. ; ;References: ;[0]. S.-W. Chiu, S. A. Pandit, H. L. Scott, and E. Jakobsson. An ; improved united atom force field for simulation of mixed lipid ; bilayers. The Journal of Physical Chemistry B, 113 (9):2748-2763, ; 2009. 10.1021/jp807056c. URL ; http://pubs.acs.org/doi/abs/10.1021/jp807056c. ; ;[1]. Sagar A. Pandit, See-Wing Chiu, Eric Jakobsson, Ananth Grama, ; and H. L. Scott. Cholesterol Packing around Lipids with Saturated and ; Unsaturated Chains: A Simulation Study. Langmuir, 24: 6858-6865 ; (2008). ; ;[2]. Sagar A. Pandit, See-Wing Chiu, Eric Jakobsson, Ananth Grama, ; and H. L. Scott Cholesterol Surrogates: A Comparison of Cholesterol ; and 16:0 Ceramide in POPC Bilayers. Biophys. J. 2007 92: 920-927. ; ;[3]. Sagar A. Pandit, S. Vasudevan, S. W. Chiu, R. Jay Mashl, Eric ; Jakobsson, and H. L. Scott. Sphingomyelin-Cholesterol Domains in ; Phospholipid Membranes: Atomistic Simulation. Biophys. J. 2004 87: ; 1092-1100. ; ;[4]. S. W. Chiu, S. Vasudevan, Eric Jakobsson, R. Jay Mashl, and ; H. Larry Scott. Structure of Sphingomyelin Bilayers: A Simulation ; Study. Biophys. J. 2003 85: 3624-3636. ; [ moleculetype ] ; Name nrexcl DLPC 3 ;DILAUROYL PHOSPHATIDYLCHOLINE ; [ atoms ] ; nr type resnr residue atom cgnr charge mass typeB chargeB massB 1 CH3* 1 DLPC C1 1 0.4 15.035 ; qtot 0.4 2 CH3* 1 DLPC C2 2 0.4 15.035 ; qtot 0.8 3 CH3* 1 DLPC C3 3 0.4 15.035 ; qtot 1.2 4 NL 1 DLPC N4 4 -0.5 14.0067 ; qtot 0.7 5 CH2* 1 DLPC C5 5 0.3 14.027 ; qtot 1 6 CH2* 1 DLPC C6 6 0.4 14.027 ; qtot 1.4 7 OA 1 DLPC OS7 7 -0.8 15.9994 ; qtot 0.6 8 P 1 DLPC P8 8 1.7 30.9738 ; qtot 2.3 9 OM* 1 DLPC OM9 9 -0.8 15.9994 ; qtot 1.5 10 OM* 1 DLPC OM10 10 -0.8 15.9994 ; qtot 0.7 11 OA 1 DLPC OS11 11 -0.7 15.9994 ; qtot 0 12 CH2* 1 DLPC C12 12 0.4 14.027 ; qtot 0.4 13 CH1* 1 DLPC C13 13 0.3 13.019 ; qtot 0.7 14 OA 1 DLPC OS14 14 -0.7 15.9994 ; qtot 0 15 CO* 1 DLPC C15 15 0.7 12.011 ; qtot 0.7 16 O* 1 DLPC O16 16 -0.7 15.9994 ; qtot 0 17 CH2* 1 DLPC C17 17 0 14.027 ; qtot 0 18 CH2* 1 DLPC C18 17 0 14.027 ; qtot 0 19 CH2* 1 DLPC C19 17 0 14.027 ; qtot 0 20 CH2* 1 DLPC C20 18 0 14.027 ; qtot 0 21 CH2* 1 DLPC C21 18 0 14.027 ; qtot 0 22 CH2* 1 DLPC C22 18 0 14.027 ; qtot 0 23 CH2* 1 DLPC C23 19 0 14.027 ; qtot 0 24 CH2* 1 DLPC C24 19 0 14.027 ; qtot 0 25 CH2* 1 DLPC C25 19 0 14.027 ; qtot 0 26 CH2* 1 DLPC C26 20 0 14.027 ; qtot 0 27 CH3* 1 DLPC C27 20 0 14.027 ; qtot 0 28 CH2* 1 DLPC C28 21 0.5 14.027 ; qtot 0.5 29 OA 1 DLPC OS29 22 -0.7 15.9994 ; qtot -0.2 30 CO* 1 DLPC C30 23 0.8 12.011 ; qtot 0.6 31 O* 1 DLPC O31 24 -0.6 15.9994 ; qtot 0 32 CH2* 1 DLPC C32 25 0 14.027 ; qtot 0 33 CH2* 1 DLPC C33 25 0 14.027 ; qtot 0 34 CH2* 1 DLPC C34 25 0 14.027 ; qtot 0 35 CH2* 1 DLPC C35 26 0 14.027 ; qtot 0 36 CH2* 1 DLPC C36 26 0 14.027 ; qtot 0 37 CH2* 1 DLPC C37 26 0 14.027 ; qtot 0 38 CH2* 1 DLPC C38 27 0 14.027 ; qtot 0 39 CH2* 1 DLPC C39 27 0 14.027 ; qtot 0 40 CH2* 1 DLPC C40 27 0 14.027 ; qtot 0 41 CH2* 1 DLPC C41 28 0 14.027 ; qtot 0 42 CH3* 1 DLPC C42 28 0 14.027 ; qtot 0 [ bonds ] ; ai aj funct c0 c1 c2 c3 1 4 2 gb_20 2 4 2 gb_20 3 4 2 gb_20 4 5 2 gb_20 5 6 2 gb_26 6 7 2 gb_17 7 8 2 gb_27 8 9 2 gb_23 8 10 2 gb_23 8 11 2 gb_27 11 12 2 gb_17 12 13 2 gb_26 13 14 2 gb_17 13 28 2 gb_26 14 15 2 gb_12 15 16 2 gb_4 15 17 2 gb_58b 17 18 2 gb_26 18 19 2 gb_26 19 20 2 gb_26 20 21 2 gb_26 21 22 2 gb_26 22 23 2 gb_26 23 24 2 gb_26 24 25 2 gb_26 25 26 2 gb_26 26 27 2 gb_26 28 29 2 gb_17 29 30 2 gb_12 30 31 2 gb_4 30 32 2 gb_58b 32 33 2 gb_26 33 34 2 gb_26 34 35 2 gb_26 35 36 2 gb_26 36 37 2 gb_26 37 38 2 gb_26 38 39 2 gb_26 39 40 2 gb_26 40 41 2 gb_26 41 42 2 gb_26 [ pairs ] ; ai aj funct c0 c1 c2 c3 1 6 1 2 6 1 3 6 1 4 7 1 5 8 1 6 9 1 6 10 1 6 11 1 7 12 1 8 13 1 9 12 1 10 12 1 11 14 1 11 28 1 12 15 1 12 29 1 13 30 1 14 29 1 15 28 1 [ angles ] ; ai aj ak funct c0 c1 c2 c3 1 4 2 2 ga_12 1 4 3 2 ga_12 1 4 5 2 ga_12 2 4 3 2 ga_12 2 4 5 2 ga_12 3 4 5 2 ga_12 4 5 6 2 ga_14 5 6 7 2 ga_14 6 7 8 2 ga_25 7 8 9 2 ga_13 7 8 10 2 ga_13 7 8 11 2 ga_4 9 8 10 2 ga_28 9 8 11 2 ga_13 10 8 11 2 ga_13 8 11 12 2 ga_25 11 12 13 2 ga_14 12 13 14 2 ga_12 12 13 28 2 ga_12 14 13 28 2 ga_12 13 14 15 2 ga_18 14 15 16 2 ga_32 14 15 17 2 ga_14 16 15 17 2 ga_34 15 17 18 2 ga_14 17 18 19 2 ga_14 18 19 20 2 ga_14 19 20 21 2 ga_14 20 21 22 2 ga_14 21 22 23 2 ga_14 22 23 24 2 ga_14 23 24 25 2 ga_14 24 25 26 2 ga_14 25 26 27 2 ga_14 13 28 29 2 ga_14 28 29 30 2 ga_18 29 30 31 2 ga_32 29 30 32 2 ga_14 31 30 32 2 ga_34 30 32 33 2 ga_14 32 33 34 2 ga_14 33 34 35 2 ga_14 34 35 36 2 ga_14 35 36 37 2 ga_14 36 37 38 2 ga_14 37 38 39 2 ga_14 38 39 40 2 ga_14 39 40 41 2 ga_14 40 41 42 2 ga_14 [ dihedrals ] ; ai aj ak al funct c0 c1 c2 c3 c4 c5 3 4 5 6 1 gd_17d 4 5 6 7 3 gd_swc6n 5 6 7 8 1 gd_14 6 7 8 11 3 gd_s0911 ; = gd_9 + gd_11 7 8 11 12 3 gd_s0911 ; = gd_9 + gd_11 8 11 12 13 1 gd_14 11 12 13 28 1 gd_17c 12 13 14 15 3 gd_swc1 12 13 28 29 1 gd_17c 13 14 15 17 3 gd_kw32 ; remove 1-4 pairs 13-17, 13-16 14 15 17 18 3 gd_kw5 ; remove 1-4 pairs 14-18, 16-18 15 17 18 19 3 gd_kw7 ; remove 1-4 pair 15-19 17 18 19 20 3 gd_kw20 18 19 20 21 3 gd_kw20 19 20 21 22 3 gd_kw20 20 21 22 23 3 gd_kw20 21 22 23 24 3 gd_kw20 22 23 24 25 3 gd_kw20 23 24 25 26 3 gd_kw20 24 25 26 27 3 gd_kw20 13 28 29 30 3 gd_swc1a 28 29 30 32 3 gd_kw32 ; remove 1-4 pairs 28-32, 28-31 29 30 32 33 3 gd_kw5 ; remove 1-4 pairs 29-33, 31-33 30 32 33 34 3 gd_kw7 ; remove 1-4 pairs 30-34 32 33 34 35 3 gd_kw20 33 34 35 36 3 gd_kw20 34 35 36 37 3 gd_kw20 35 36 37 38 3 gd_kw20 36 37 38 39 3 gd_kw20 37 38 39 40 3 gd_kw20 38 39 40 41 3 gd_kw20 39 40 41 42 3 gd_kw20 [ dihedrals ] ; ai aj ak al funct c0 c1 c2 c3 12 28 14 13 2 gi_2 15 14 17 16 2 gi_1 30 29 32 31 2 gi_1 10332