SMTL ID : 2hx2.1

Bovine eNOS heme domain complexed with (4S)-N-{4-Amino-5-[(2-aminoethyl)-hydroxyamino]-pentyl}-N'-nitroguanidine

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.95 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.9: 3 residues within 4Å: Chain B: W.258, L.262, C.318 No protein-ligand interaction detected (PLIP)

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

ACT.2: 4 residues within 4Å: Chain A: G.122, W.292, V.354, S.362 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:S.362, A:S.362 ACT.3: 4 residues within 4Å: Chain A: Q.183, R.186, N.302, R.308 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:Q.183, A:N.302 Salt bridges: A:R.186, A:R.308 ACT.10: 5 residues within 4Å: Chain B: G.122, W.292, V.354, S.362 Ligands: HEM.12 2 PLIP interactions: 2 interactions with chain B Hydrogen bonds: B:W.292, B:S.362 ACT.11: 4 residues within 4Å: Chain B: Q.183, R.186, N.302, R.308 4 PLIP interactions: 4 interactions with chain B Hydrogen bonds: B:Q.183, B:N.302 Salt bridges: B:R.186, B:R.308

1 x ZN: ZINC ION(Non-covalent)

ZN.4: 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

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

HEM.5: 21 residues within 4Å: Chain A: W.114, A.117, 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, V.354, W.383, F.409, Y.411 Ligands: H4B.6, 3HX.7 20 PLIP interactions: 20 interactions with chain A, Hydrophobic interactions: A:W.114, A:W.114, A:W.114, A:A.117, A:V.121, A:F.289, A:F.289, A:F.289, A:W.292, A:M.294, A:E.297, A:V.354, A:W.383, A:F.409, A:F.409, A:F.409 Hydrogen bonds: A:Y.411 Water bridges: A:E.297 pi-Stacking: A:W.114 Metal complexes: A:C.120 HEM.12: 22 residues within 4Å: Chain B: W.114, A.117, 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, V.354, W.383, F.409, Y.411 Ligands: ACT.10, H4B.13, 3HX.14 17 PLIP interactions: 17 interactions with chain B, Hydrophobic interactions: B:W.114, B:W.114, B:W.114, B:A.117, B:L.129, B:F.289, B:F.289, B:F.289, B:F.289, B:W.292, B:E.297, B:V.354, B:W.383, B:F.409, B:F.409 pi-Stacking: B:W.114 Metal complexes: B:C.120

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

H4B.6: 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.5, GOL.8 11 PLIP interactions: 10 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: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.13: 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.12, GOL.15 8 PLIP interactions: 7 interactions with chain B, 1 interactions with chain A Hydrogen bonds: B:R.301, B:A.382, B:W.383 Water bridges: B:R.301 pi-Stacking: B:W.383, B:W.383 pi-Cation interactions: B:W.383 Hydrophobic interactions: A:E.399

2 x 3HX: (4S)-N-{4-AMINO-5-[(2-AMINOETHYL)(HYDROXYAMINO]-PENTYL}-N'-NITROGUANIDINE(Non-covalent)

3HX.7: 12 residues within 4Å: Chain A: S.182, Q.183, P.270, V.272, N.274, F.289, S.290, G.291, W.292, E.297, Y.411 Ligands: HEM.5 6 PLIP interactions: 6 interactions with chain A Hydrophobic interactions: A:V.272 Water bridges: A:Q.183, A:Q.183, A:E.297, A:Y.411 Salt bridges: A:E.297 3HX.14: 11 residues within 4Å: Chain B: Q.183, P.270, V.272, N.274, F.289, S.290, G.291, W.292, E.297, Y.411 Ligands: HEM.12 4 PLIP interactions: 4 interactions with chain B Hydrophobic interactions: B:V.272 Hydrogen bonds: B:N.274 Water bridges: B:Q.183 Salt bridges: B:E.297

2 x GOL: GLYCEROL(Non-functional Binders)

GOL.8: 6 residues within 4Å: Chain A: V.40, R.301, H.307, W.383 Chain B: W.10 Ligands: H4B.6 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:R.301, A:R.301, A:H.307 GOL.15: 6 residues within 4Å: Chain A: W.10 Chain B: V.40, R.301, H.307, W.383 Ligands: H4B.13 7 PLIP interactions: 6 interactions with chain B, 1 interactions with chain A Hydrogen bonds: B:R.301, B:R.301, B:H.307 Water bridges: B:D.305, B:D.305, B:R.308, A:H.397

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Seo, J. et al., Structure-Based Design and Synthesis of N(omega)-Nitro-l-Arginine-Containing Peptidomimetics as Selective Inhibitors of Neuronal Nitric Oxide Synthase. Displacement of the Heme Structural Water. J.Med.Chem. (2007)

Release Date

2007-04-24

Peptides

Nitric-oxide synthase: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Nitric-oxide synthase

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