SMTL ID : 1m7v.1

STRUCTURE OF A NITRIC OXIDE SYNTHASE HEME PROTEIN FROM BACILLUS SUBTILIS WITH TETRAHYDROFOLATE AND ARGININE BOUND

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.95 Å

Oligo State

homo-dimer

Ligands

2 x ARG: ARGININE(Non-covalent)

ARG.1: 11 residues within 4Å: Chain A: Q.129, R.132, Y.213, P.216, I.218, G.237, W.238, Y.239, E.243, N.248 Ligands: HEM.2 16 PLIP interactions: 14 interactions with chain A, 2 Ligand-Ligand interactions Hydrophobic interactions: A:P.216, A:I.218 Hydrogen bonds: A:Q.129, A:G.237, A:W.238, A:W.238, A:E.243, A:E.243, A:N.248, R.1 Water bridges: A:R.132, A:N.248, A:R.254, R.1 Salt bridges: A:R.132, A:E.243 ARG.4: 11 residues within 4Å: Chain B: Q.129, R.132, Y.213, P.216, I.218, G.237, W.238, Y.239, E.243, N.248 Ligands: HEM.5 16 PLIP interactions: 2 Ligand-Ligand interactions, 14 interactions with chain B Hydrogen bonds: R.4, B:Q.129, B:G.237, B:W.238, B:W.238, B:E.243, B:E.243, B:N.248 Water bridges: R.4, B:R.132, B:N.248, B:R.254 Hydrophobic interactions: B:P.216, B:I.218 Salt bridges: B:R.132, B:E.243

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

HEM.2: 20 residues within 4Å: Chain A: W.60, S.63, R.65, C.66, I.67, G.68, L.75, M.221, F.235, N.236, G.237, W.238, M.240, E.243, V.300, W.329, Y.355, Y.357 Ligands: ARG.1, THG.3 25 PLIP interactions: 21 interactions with chain A, 4 Ligand-Ligand interactions Hydrophobic interactions: A:W.60, A:W.60, A:W.60, A:R.65, A:L.75, A:F.235, A:F.235, A:F.235, A:F.235, A:W.238, A:W.238, A:V.300, A:Y.355, A:Y.355, R.1 Hydrogen bonds: A:R.65, A:Y.357, R.1 Water bridges: A:R.247, A:R.247, A:Y.357 pi-Stacking: A:W.60 Metal complexes: A:C.66 pi-Cation interactions: R.1, R.1 HEM.5: 20 residues within 4Å: Chain B: W.60, S.63, R.65, C.66, I.67, G.68, L.75, M.221, F.235, N.236, G.237, W.238, M.240, E.243, V.300, W.329, Y.355, Y.357 Ligands: ARG.4, THG.6 25 PLIP interactions: 4 Ligand-Ligand interactions, 21 interactions with chain B Hydrophobic interactions: R.4, B:W.60, B:W.60, B:W.60, B:R.65, B:L.75, B:F.235, B:F.235, B:F.235, B:F.235, B:W.238, B:W.238, B:V.300, B:Y.355, B:Y.355 Hydrogen bonds: R.4, B:R.65, B:Y.357 pi-Cation interactions: R.4, R.4 Water bridges: B:R.247, B:R.247, B:Y.357 pi-Stacking: B:W.60 Metal complexes: B:C.66

2 x THG: (6S)-5,6,7,8-TETRAHYDROFOLATE(Non-covalent)

THG.3: 11 residues within 4Å: Chain A: R.247, T.328, W.329 Chain B: D.326, W.327, F.342, R.344, S.345, Y.346, N.348 Ligands: HEM.2 12 PLIP interactions: 7 interactions with chain A, 5 interactions with chain B Hydrogen bonds: A:R.247, A:T.328, A:W.329, B:D.326, B:W.327, B:Y.346 Water bridges: A:R.247, A:R.247 pi-Stacking: A:W.329, A:W.329, B:W.327 Hydrophobic interactions: B:W.327 THG.6: 11 residues within 4Å: Chain A: D.326, W.327, F.342, R.344, S.345, Y.346, N.348 Chain B: R.247, T.328, W.329 Ligands: HEM.5 12 PLIP interactions: 7 interactions with chain B, 5 interactions with chain A Hydrogen bonds: B:R.247, B:T.328, B:W.329, A:D.326, A:W.327, A:Y.346 Water bridges: B:R.247, B:R.247 pi-Stacking: B:W.329, B:W.329, A:W.327 Hydrophobic interactions: A:W.327

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Pant, K. et al., Structure of a nitric oxide synthase heme protein from Bacillus subtilis. Biochemistry (2002)

Release Date

2002-10-30

Peptides

Nitric Oxide Synthase: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
A

Nitric Oxide Synthase

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