SMTL ID : 4nos.1 (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 A, 2 interactions with chain B Metal complexes: A:C.29, A:C.34, B:C.29, B: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: H2B.3, ITU.4 18 PLIP interactions: 18 interactions with chain A, Hydrophobic interactions: A:W.113, A:W.113, A:Q.124, A:L.128, A:L.128, A:F.288, A:F.288, A:F.288, A:W.291, A:E.296, 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 19 PLIP interactions: 19 interactions with chain B, Hydrophobic interactions: B:W.113, B:W.113, B:I.120, B:Q.124, B:L.128, B:L.128, B:F.288, B:F.288, B:F.288, B:F.288, B:W.291, B:E.296, B:W.382, B:W.382, B:Y.408 Water bridges: B:R.118, B:Y.410 pi-Stacking: B:W.113 Metal complexes: B:C.119

1 x H2B: 2-AMINO-6-(1,2-DIHYDROXY-PROPYL)-7,8-DIHYDRO-6H-PTERIDIN-4-ONE(Non-covalent)

H2B.3: 12 residues within 4Å: Chain A: S.37, M.39, R.300, I.381, W.382 Chain B: W.9, W.380, F.395, H.396, Q.397, E.398 Ligands: HEM.2 11 PLIP interactions: 9 interactions with chain A, 2 interactions with chain B Hydrogen bonds: A:R.300, A:R.300, A:I.381, A:W.382 Water bridges: A:S.37, B:H.396 pi-Stacking: A:W.382, A:W.382 pi-Cation interactions: A:W.382, A:W.382 Hydrophobic interactions: B:E.398

2 x ITU: ETHYLISOTHIOUREA(Non-covalent)

ITU.4: 8 residues within 4Å: Chain A: P.269, V.271, F.288, N.289, G.290, W.291, E.296 Ligands: HEM.2 2 PLIP interactions: 2 interactions with chain A Hydrophobic interactions: A:F.288 Hydrogen bonds: A:W.291 ITU.7: 8 residues within 4Å: Chain B: P.269, V.271, F.288, N.289, 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:W.291

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

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

INDUCIBLE NITRIC OXIDE SYNTHASE: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

INDUCIBLE NITRIC OXIDE SYNTHASE

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