SMTL ID : 1om4.1

STRUCTURE OF RAT NEURONAL NOS HEME DOMAIN WITH L-ARGININE BOUND

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.75 Å

Oligo State

homo-dimer

Ligands

1 x ZN: ZINC ION(Non-covalent)

ZN.1: 4 residues within 4Å: Chain A: C.30, C.35 Chain B: C.30, C.35 4 PLIP interactions: 2 interactions with chain B, 2 interactions with chain A Metal complexes: B:C.30, B:C.35, A:C.30, A:C.35

2 x ACT: ACETATE ION(Non-functional Binders)

ACT.2: 5 residues within 4Å: Chain A: G.121, Q.124, W.291, V.353 Ligands: HEM.3 5 PLIP interactions: 5 interactions with chain A Hydrophobic interactions: A:Q.124, A:W.291 Hydrogen bonds: A:S.361 Water bridges: A:Q.124, A:S.361 ACT.6: 5 residues within 4Å: Chain B: G.121, Q.124, W.291, V.353 Ligands: HEM.7 4 PLIP interactions: 4 interactions with chain B Hydrophobic interactions: B:Q.124 Hydrogen bonds: B:W.291 Water bridges: B:Q.124, B:S.361

2 x HEM: PROTOPORPHYRIN IX CONTAINING FE(Non-covalent)

HEM.3: 19 residues within 4Å: Chain A: W.113, A.116, R.118, C.119, V.120, S.161, M.274, F.288, S.289, G.290, W.291, M.293, E.296, W.382, F.408, Y.410 Ligands: ACT.2, H4B.4, ARG.9 19 PLIP interactions: 16 interactions with chain A, 3 Ligand-Ligand interactions Hydrophobic interactions: A:W.113, A:W.113, A:A.116, A:F.288, A:F.288, A:F.288, A:W.291, A:W.291, A:E.296, A:W.382, A:F.408, A:F.408, A:F.408, R.9 Hydrogen bonds: A:Y.410, R.9 pi-Stacking: A:W.113 Metal complexes: A:C.119 pi-Cation interactions: R.9 HEM.7: 20 residues within 4Å: Chain B: W.113, A.116, R.118, C.119, V.120, G.121, S.161, M.274, F.288, S.289, G.290, W.291, M.293, E.296, W.382, F.408, Y.410 Ligands: ACT.6, H4B.8, ARG.10 19 PLIP interactions: 14 interactions with chain B, 5 Ligand-Ligand interactions Hydrophobic interactions: B:W.113, B:W.113, B:A.116, B:F.288, B:F.288, B:F.288, B:W.291, B:E.296, B:W.382, B:F.408, B:F.408, R.10 Water bridges: B:R.300, R.10 pi-Stacking: B:W.113 Metal complexes: B:C.119 Hydrogen bonds: R.10 pi-Cation interactions: R.10, R.10

2 x H4B: 5,6,7,8-TETRAHYDROBIOPTERIN(Non-covalent)

H4B.4: 11 residues within 4Å: Chain A: S.38, M.40, R.300, V.381, W.382 Chain B: W.380, F.395, H.396, Q.397, E.398 Ligands: HEM.3 14 PLIP interactions: 13 interactions with chain A, 1 interactions with chain B Hydrogen bonds: A:R.300, A:V.381, A:W.382 Water bridges: A:S.38, A:R.300, A:R.300, A:R.300, A:R.300, A:W.382 pi-Stacking: A:W.382, A:W.382 pi-Cation interactions: A:W.382, A:W.382 Hydrophobic interactions: B:E.398 H4B.8: 11 residues within 4Å: Chain A: W.380, F.395, H.396, Q.397, E.398 Chain B: S.38, M.40, R.300, V.381, W.382 Ligands: HEM.7 14 PLIP interactions: 13 interactions with chain B, 1 interactions with chain A Hydrogen bonds: B:R.300, B:V.381, B:W.382 Water bridges: B:S.38, B:R.300, B:R.300, B:R.300, B:R.300, B:W.382 pi-Stacking: B:W.382, B:W.382 pi-Cation interactions: B:W.382, B:W.382 Hydrophobic interactions: A:E.398

2 x GOL: GLYCEROL(Non-functional Binders)

GOL.5: 5 residues within 4Å: Chain A: K.23, Q.68, R.373, L.404, T.405 7 PLIP interactions: 7 interactions with chain A Hydrogen bonds: A:R.373, A:T.405 Water bridges: A:Q.68, A:Y.107, A:R.114, A:N.115, A:T.405 GOL.11: 3 residues within 4Å: Chain B: L.20, Q.68, R.373 4 PLIP interactions: 4 interactions with chain B Hydrogen bonds: B:Q.68, B:R.373, B:R.373 Water bridges: B:Q.68

2 x ARG: ARGININE(Non-covalent)

ARG.9: 9 residues within 4Å: Chain A: Q.182, Y.266, P.269, V.271, W.291, Y.292, E.296, D.301 Ligands: HEM.3 14 PLIP interactions: 12 interactions with chain A, 2 Ligand-Ligand interactions Hydrophobic interactions: A:V.271 Hydrogen bonds: A:Q.182, A:Y.266, A:W.291, A:E.296, R.9 Water bridges: A:R.185, A:P.269, A:D.301, A:R.307, A:R.307, A:R.307, R.9 Salt bridges: A:E.296 ARG.10: 9 residues within 4Å: Chain B: Q.182, Y.266, P.269, V.271, W.291, Y.292, E.296, D.301 Ligands: HEM.7 15 PLIP interactions: 2 Ligand-Ligand interactions, 13 interactions with chain B Hydrogen bonds: R.10, B:Q.182, B:W.291, B:Y.292, B:E.296 Water bridges: R.10, B:R.185, B:R.185, B:R.185, B:P.269, B:D.301, B:R.307 Hydrophobic interactions: B:V.271, B:Y.292 Salt bridges: B:E.296

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Li, H. et al., Structure of Rat Neuronal NOS Heme Domain with L-Arginine Bound. To be Published

Release Date

2003-03-11

Peptides

Nitric-oxide synthase, brain: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Nitric-oxide synthase, brain

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