SMTL ID : 3dwj.1 (1 other biounit)

Heme-proximal W188H mutant of inducible nitric oxide synthase

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.75 Å

Oligo State

homo-dimer

Ligands

2 x SO4: SULFATE ION(Non-functional Binders)

SO4.1: 4 residues within 4Å: Chain A: Q.78, M.121, R.383 Chain B: L.29 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:Q.78 Water bridges: A:R.383, A:R.383 Salt bridges: A:R.383 SO4.5: 4 residues within 4Å: Chain A: L.29 Chain B: Q.78, M.121, R.383 4 PLIP interactions: 4 interactions with chain B Hydrogen bonds: B:Q.78 Water bridges: B:R.383, B:R.383 Salt bridges: B:R.383

2 x NH4: AMMONIUM ION(Non-functional Binders)

NH4.2: 3 residues within 4Å: Chain A: P.279, E.306 Ligands: HEM.3 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:W.301 NH4.6: 3 residues within 4Å: Chain B: P.279, E.306 Ligands: HEM.7 1 PLIP interactions: 1 interactions with chain B Hydrogen bonds: B:E.306

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

HEM.3: 19 residues within 4Å: Chain A: H.123, A.126, R.128, C.129, G.131, Q.134, S.171, M.284, F.298, N.299, G.300, W.301, M.303, E.306, W.392, Y.418, Y.420 Ligands: NH4.2, H4B.4 15 PLIP interactions: 15 interactions with chain A, Hydrophobic interactions: A:H.123, A:A.126, A:Q.134, A:F.298, A:F.298, A:F.298, A:W.301, A:E.306, A:W.392, A:Y.418, A:Y.418 Water bridges: A:R.128, A:Y.420 pi-Cation interactions: A:H.123 Metal complexes: A:C.129 HEM.7: 19 residues within 4Å: Chain B: H.123, A.126, R.128, C.129, G.131, Q.134, S.171, M.284, F.298, N.299, G.300, W.301, M.303, E.306, W.392, Y.418, Y.420 Ligands: NH4.6, H4B.8 16 PLIP interactions: 16 interactions with chain B, Hydrophobic interactions: B:H.123, B:A.126, B:Q.134, B:F.298, B:F.298, B:F.298, B:W.301, B:E.306, B:W.392, B:Y.418, B:Y.418 Hydrogen bonds: B:Y.420 Water bridges: B:R.128, B:Y.420 pi-Cation interactions: B:H.123 Metal complexes: B:C.129

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

H4B.4: 11 residues within 4Å: Chain A: S.47, M.49, R.310, I.391, W.392 Chain B: W.390, F.405, H.406, Q.407, E.408 Ligands: HEM.3 10 PLIP interactions: 8 interactions with chain A, 2 interactions with chain B Hydrogen bonds: A:R.310, A:I.391, A:W.392 Water bridges: A:R.310, B:H.406 pi-Stacking: A:W.392, A:W.392 pi-Cation interactions: A:W.392, A:W.392 Hydrophobic interactions: B:E.408 H4B.8: 11 residues within 4Å: Chain A: W.390, F.405, H.406, Q.407, E.408 Chain B: S.47, M.49, R.310, I.391, W.392 Ligands: HEM.7 10 PLIP interactions: 2 interactions with chain A, 8 interactions with chain B Hydrophobic interactions: A:E.408 Water bridges: A:H.406, B:R.310 Hydrogen bonds: B:R.310, B:I.391, B:W.392 pi-Stacking: B:W.392, B:W.392 pi-Cation interactions: B:W.392, B:W.392

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Tejero, J. et al., Stabilization and Characterization of a Heme-Oxy Reaction Intermediate in Inducible Nitric-oxide Synthase. J.Biol.Chem. (2008)

Release Date

2008-09-30

Peptides

Nitric oxide synthase, inducible: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
A

Nitric oxide synthase, inducible

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