SMTL ID : 3nos.1

HUMAN ENDOTHELIAL NITRIC OXIDE SYNTHASE WITH ARGININE SUBSTRATE

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.40 Å

Oligo State

homo-dimer

Ligands

1 x ZN: ZINC ION(Non-covalent)

ZN.1: 4 residues within 4Å: Chain A: C.29, C.34 Chain B: C.29, C.34 4 PLIP interactions: 2 interactions with chain A, 2 interactions with chain B Metal complexes: A:C.29, A:C.34, B:C.29, B:C.34

2 x HAR: N-OMEGA-HYDROXY-L-ARGININE(Non-covalent)

HAR.2: 11 residues within 4Å: Chain A: Q.182, R.185, Y.266, P.269, V.271, G.290, W.291, Y.292, E.296, N.301 Ligands: HEM.3 11 PLIP interactions: 11 interactions with chain A Hydrophobic interactions: A:V.271, A:Y.292 Hydrogen bonds: A:Q.182, A:Y.266, A:G.290, A:W.291, A:E.296, A:N.301 Water bridges: A:N.301 Salt bridges: A:R.185, A:E.296 HAR.5: 12 residues within 4Å: Chain B: Q.182, R.185, Y.266, P.269, V.271, S.289, G.290, W.291, Y.292, E.296, N.301 Ligands: HEM.6 10 PLIP interactions: 10 interactions with chain B Hydrogen bonds: B:Q.182, B:Q.182, B:G.290, B:Y.292, B:N.301 Water bridges: B:R.185, B:R.307, B:R.307 Salt bridges: B:R.185, B:E.296

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

HEM.3: 18 residues within 4Å: Chain A: W.113, R.118, C.119, V.120, G.121, L.128, S.161, M.274, F.288, S.289, W.291, M.293, E.296, W.382, F.408, Y.410 Ligands: HAR.2, H4B.4 20 PLIP interactions: 20 interactions with chain A, Hydrophobic interactions: A:W.113, A:W.113, A:W.113, A:R.118, A:V.120, A:L.128, A:F.288, A:F.288, A:F.288, A:F.288, A:W.291, A:M.293, A:W.382, A:F.408, A:F.408 Hydrogen bonds: A:E.296, A:Y.410 Water bridges: A:Y.410 pi-Stacking: A:W.113 Metal complexes: A:C.119 HEM.6: 20 residues within 4Å: Chain B: W.113, R.118, C.119, V.120, G.121, Q.124, L.128, S.161, M.274, F.288, S.289, G.290, W.291, E.296, V.353, W.382, F.408, Y.410 Ligands: HAR.5, H4B.7 22 PLIP interactions: 22 interactions with chain B, Hydrophobic interactions: B:W.113, B:W.113, B:W.113, B:V.120, B:Q.124, B:L.128, B:L.128, B:F.288, B:F.288, B:F.288, B:W.291, B:E.296, B:V.353, B:W.382, B:W.382, B:F.408, B:F.408, B:F.408 Water bridges: B:R.300, B:Y.410 pi-Stacking: B:W.113 Metal complexes: B:C.119

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

H4B.4: 11 residues within 4Å: Chain A: S.37, V.39, R.300, A.381, W.382 Chain B: W.380, F.395, H.396, Q.397, E.398 Ligands: HEM.3 7 PLIP interactions: 6 interactions with chain A, 1 interactions with chain B Hydrogen bonds: A:R.300, A:R.300, A:A.381, A:W.382 pi-Stacking: A:W.382, A:W.382 Hydrophobic interactions: B:E.398 H4B.7: 9 residues within 4Å: Chain A: W.380, F.395, E.398 Chain B: S.37, V.39, R.300, A.381, W.382 Ligands: HEM.6 7 PLIP interactions: 1 interactions with chain A, 6 interactions with chain B Hydrophobic interactions: A:E.398 Hydrogen bonds: B:R.300, B:R.300, B:A.381, B:W.382 pi-Stacking: B:W.382, B:W.382

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Fischmann, T.O. et al., Structural characterization of nitric oxide synthase isoforms reveals striking active-site conservation. Nat.Struct.Biol. (1999)

Release Date

2000-02-04

Peptides

ENDOTHELIAL NITRIC-OXIDE SYNTHASE: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

ENDOTHELIAL NITRIC-OXIDE SYNTHASE

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