SMTL ID : 1p6m.1

Bovine endothelial NOS heme domain with (4S)-N-(4-amino-5-[aminoethyl]aminopentyl)-N'-nitroguanidine bound

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.27 Å

Oligo State

homo-dimer

Ligands

2 x CAC: CACODYLATE ION(Non-covalent)

CAC.1: 3 residues within 4Å: Chain A: W.258, L.262, C.318 No protein-ligand interaction detected (PLIP) CAC.7: 2 residues within 4Å: Chain B: W.258, C.318 No protein-ligand interaction detected (PLIP)

2 x ACT: ACETATE ION(Non-functional Binders)

ACT.2: 5 residues within 4Å: Chain A: G.122, W.292, V.354, S.362 Ligands: HEM.3 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:S.362, A:S.362 ACT.8: 6 residues within 4Å: Chain B: G.122, I.124, Q.125, W.292, V.354, S.362 4 PLIP interactions: 4 interactions with chain B Hydrophobic interactions: B:I.124, B:Q.125 Hydrogen bonds: B:W.292, B:S.362

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

HEM.3: 20 residues within 4Å: Chain A: W.114, R.119, C.120, V.121, G.122, L.129, S.162, M.275, F.289, S.290, G.291, W.292, M.294, E.297, W.383, F.409, Y.411 Ligands: ACT.2, H4B.4, DP3.5 23 PLIP interactions: 23 interactions with chain A, Hydrophobic interactions: A:W.114, A:W.114, A:W.114, A:R.119, A:V.121, A:L.129, A:F.289, A:F.289, A:F.289, A:F.289, A:W.292, A:W.292, A:E.297, A:F.409, A:F.409, A:F.409 Hydrogen bonds: A:Y.411 Water bridges: A:E.297, A:E.297, A:R.301, A:R.301 pi-Stacking: A:W.114 Metal complexes: A:C.120 HEM.10: 18 residues within 4Å: Chain B: W.114, A.117, R.119, C.120, V.121, S.162, M.275, F.289, S.290, G.291, W.292, E.297, V.354, W.383, F.409, Y.411 Ligands: H4B.11, DP3.12 20 PLIP interactions: 20 interactions with chain B, Hydrophobic interactions: B:W.114, B:W.114, B:W.114, B:A.117, B:R.119, B:F.289, B:F.289, B:F.289, B:F.289, B:W.292, B:E.297, B:V.354, B:F.409, B:F.409, B:F.409 Hydrogen bonds: B:R.119 Water bridges: B:R.301, B:R.301 pi-Stacking: B:W.114 Metal complexes: B:C.120

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

H4B.4: 12 residues within 4Å: Chain A: S.38, V.40, R.301, A.382, W.383 Chain B: W.381, F.396, H.397, Q.398, E.399 Ligands: HEM.3, GOL.6 10 PLIP interactions: 9 interactions with chain A, 1 interactions with chain B Hydrogen bonds: A:R.301, A:A.382, A:W.383 Water bridges: A:S.38, A:R.301, A:W.383 pi-Stacking: A:W.383, A:W.383 pi-Cation interactions: A:W.383 Hydrophobic interactions: B:E.399 H4B.11: 12 residues within 4Å: Chain A: W.381, F.396, H.397, Q.398, E.399 Chain B: S.38, V.40, R.301, A.382, W.383 Ligands: HEM.10, GOL.13 6 PLIP interactions: 5 interactions with chain B, 1 interactions with chain A Hydrogen bonds: B:R.301, B:A.382, B:W.383 pi-Stacking: B:W.383, B:W.383 Hydrophobic interactions: A:E.399

2 x DP3: N-{(4S)-4-AMINO-5-[(2-AMINOETHYL)AMINO]PENTYL}-N'-NITROGUANIDINE(Non-covalent)

DP3.5: 12 residues within 4Å: Chain A: V.40, Q.183, P.270, V.272, F.289, S.290, G.291, W.292, E.297, W.383 Ligands: HEM.3, GOL.6 8 PLIP interactions: 8 interactions with chain A Hydrogen bonds: A:Q.183, A:W.292 Water bridges: A:P.270, A:N.274, A:E.297, A:Y.411, A:Y.411 Salt bridges: A:E.297 DP3.12: 11 residues within 4Å: Chain B: Q.183, P.270, V.272, F.289, S.290, G.291, W.292, E.297, W.383 Ligands: HEM.10, GOL.13 5 PLIP interactions: 5 interactions with chain B Hydrophobic interactions: B:V.272 Hydrogen bonds: B:Q.183, B:W.292 Water bridges: B:Y.411 Salt bridges: B:E.297

2 x GOL: GLYCEROL(Non-functional Binders)

GOL.6: 6 residues within 4Å: Chain A: V.40, R.301, H.307 Chain B: W.10 Ligands: H4B.4, DP3.5 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:R.301, A:R.301, A:H.307 GOL.13: 6 residues within 4Å: Chain A: W.10, H.397 Chain B: R.301, H.307 Ligands: H4B.11, DP3.12 5 PLIP interactions: 4 interactions with chain B, 1 interactions with chain A Hydrogen bonds: B:R.301, B:H.307, A:H.397 Water bridges: B:R.301, B:D.305

1 x ZN: ZINC ION(Non-covalent)

ZN.9: 4 residues within 4Å: Chain A: C.30, C.35 Chain B: C.30, C.35 4 PLIP interactions: 2 interactions with chain B, 2 interactions with chain A Metal complexes: B:C.30, B:C.35, A:C.30, A:C.35

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Flinspach, M.L. et al., Structural basis for dipeptide amide isoform-selective inhibition of neuronal nitric oxide synthase. Nat.Struct.Mol.Biol. (2004)

Release Date

2004-01-13

Peptides

Nitric-oxide synthase, endothelial: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Nitric-oxide synthase, endothelial

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