SMTL ID : 4nos.2 (1 other biounit)

HUMAN INDUCIBLE NITRIC OXIDE SYNTHASE WITH INHIBITOR

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.25 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 B, 2 interactions with chain A Metal complexes: B:C.29, B:C.34, A:C.29, A:C.34

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

HEM.2: 20 residues within 4Å: Chain A: W.113, R.118, C.119, I.120, G.121, Q.124, L.128, S.161, M.274, F.288, N.289, G.290, W.291, M.293, E.296, W.382, Y.408, Y.410 Ligands: H4B.3, ITU.4 17 PLIP interactions: 17 interactions with chain A, Hydrophobic interactions: A:W.113, A:W.113, A:I.120, A:Q.124, A:F.288, A:F.288, A:F.288, A:W.291, A:W.291, A:W.382, A:W.382, A:Y.408, A:Y.408 Water bridges: A:R.300, A:Y.410 pi-Stacking: A:W.113 Metal complexes: A:C.119 HEM.5: 20 residues within 4Å: Chain B: W.113, R.118, C.119, I.120, G.121, Q.124, L.128, S.161, M.274, F.288, N.289, G.290, W.291, M.293, E.296, W.382, Y.408, Y.410 Ligands: H4B.6, ITU.7 16 PLIP interactions: 16 interactions with chain B, Hydrophobic interactions: B:W.113, B:W.113, B:I.120, B:Q.124, B:F.288, B:F.288, B:F.288, B:W.291, B:M.293, B:E.296, B:W.382, B:W.382, B:Y.408 Water bridges: B:Y.410 pi-Stacking: B:W.113 Metal complexes: B:C.119

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

H4B.3: 11 residues within 4Å: Chain A: S.37, M.39, R.300, I.381, W.382 Chain B: W.380, F.395, H.396, Q.397, E.398 Ligands: HEM.2 11 PLIP interactions: 2 interactions with chain B, 9 interactions with chain A Hydrophobic interactions: B:E.398 Water bridges: B:H.396, A:S.37, A:W.382 Hydrogen bonds: A:R.300, A:I.381, A:W.382 pi-Stacking: A:W.382, A:W.382 pi-Cation interactions: A:W.382, A:W.382 H4B.6: 10 residues within 4Å: Chain A: W.380, F.395, H.396, Q.397, E.398 Chain B: S.37, R.300, I.381, W.382 Ligands: HEM.5 10 PLIP interactions: 9 interactions with chain B, 1 interactions with chain A Hydrogen bonds: B:R.300, B:I.381, B:W.382 Water bridges: B:R.300, B:R.300 pi-Stacking: B:W.382, B:W.382 pi-Cation interactions: B:W.382, B:W.382 Hydrophobic interactions: A:E.398

2 x ITU: ETHYLISOTHIOUREA(Non-covalent)

ITU.4: 7 residues within 4Å: Chain A: P.269, V.271, F.288, G.290, W.291, E.296 Ligands: HEM.2 3 PLIP interactions: 3 interactions with chain A Hydrophobic interactions: A:V.271, A:F.288 Hydrogen bonds: A:E.296 ITU.7: 7 residues within 4Å: Chain B: P.269, V.271, F.288, G.290, W.291, E.296 Ligands: HEM.5 3 PLIP interactions: 3 interactions with chain B Hydrophobic interactions: B:V.271, B:F.288 Hydrogen bonds: B:E.296

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

INDUCIBLE NITRIC OXIDE SYNTHASE: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
C

B
D

INDUCIBLE NITRIC OXIDE SYNTHASE

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