SMTL ID : 1m7z.1

Structure of Nitric Oxide Synthase Heme Protein from Bacillus Subtilis with N-Hydroxy-Arginine and Tetrahydrofolate Bound

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.14 Å

Oligo State

homo-dimer

Ligands

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

HEM.1: 19 residues within 4Å: Chain A: W.60, S.63, R.65, C.66, I.67, G.68, M.219, F.233, N.234, G.235, W.236, M.238, E.241, V.298, W.327, Y.353, Y.355 Ligands: HAR.2, THG.3 19 PLIP interactions: 19 interactions with chain A, Hydrophobic interactions: A:W.60, A:W.60, A:W.60, A:R.65, A:F.233, A:F.233, A:F.233, A:F.233, A:W.236, A:W.236, A:E.241, A:V.298, A:W.327, A:Y.353, A:Y.353 Hydrogen bonds: A:R.65, A:Y.355 pi-Stacking: A:W.60 Metal complexes: A:C.66 HEM.4: 19 residues within 4Å: Chain B: W.60, S.63, R.65, C.66, I.67, G.68, M.219, F.233, N.234, G.235, W.236, M.238, E.241, V.298, W.327, Y.353, Y.355 Ligands: HAR.5, THG.6 19 PLIP interactions: 19 interactions with chain B, Hydrophobic interactions: B:W.60, B:W.60, B:W.60, B:R.65, B:F.233, B:F.233, B:F.233, B:F.233, B:W.236, B:W.236, B:E.241, B:V.298, B:W.327, B:Y.353, B:Y.353 Hydrogen bonds: B:R.65, B:Y.355 pi-Stacking: B:W.60 Metal complexes: B:C.66

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

HAR.2: 11 residues within 4Å: Chain A: Q.129, R.132, Y.211, P.214, I.216, G.235, W.236, Y.237, E.241, N.246 Ligands: HEM.1 12 PLIP interactions: 12 interactions with chain A Hydrophobic interactions: A:I.216 Hydrogen bonds: A:Q.129, A:Q.129, A:G.235, A:W.236, A:E.241, A:N.246 Water bridges: A:R.132, A:N.246, A:R.252 Salt bridges: A:R.132, A:E.241 HAR.5: 11 residues within 4Å: Chain B: Q.129, R.132, Y.211, P.214, I.216, G.235, W.236, Y.237, E.241, N.246 Ligands: HEM.4 12 PLIP interactions: 12 interactions with chain B Hydrophobic interactions: B:I.216 Hydrogen bonds: B:Q.129, B:Q.129, B:G.235, B:W.236, B:E.241, B:N.246 Water bridges: B:R.132, B:N.246, B:R.252 Salt bridges: B:R.132, B:E.241

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

THG.3: 10 residues within 4Å: Chain A: R.245, T.326, W.327 Chain B: W.325, F.340, R.342, S.343, Y.344 Ligands: HEM.1, THG.6 7 PLIP interactions: 2 interactions with chain B, 5 interactions with chain A Hydrogen bonds: B:Y.344, A:R.245, A:T.326, A:W.327 Water bridges: B:N.346 pi-Stacking: A:W.327, A:W.327 THG.6: 10 residues within 4Å: Chain A: W.325, F.340, R.342, S.343, Y.344 Chain B: R.245, T.326, W.327 Ligands: THG.3, HEM.4 7 PLIP interactions: 2 interactions with chain A, 5 interactions with chain B Hydrogen bonds: A:Y.344, B:R.245, B:T.326, B:W.327 Water bridges: A:N.346 pi-Stacking: B:W.327, B: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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