SMTL ID : 2hx3.1

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

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.00 Å

Oligo State

homo-dimer

Ligands

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

ACT.1: 7 residues within 4Å: Chain A: G.121, I.123, Q.124, W.291, V.353, S.361 Ligands: HEM.3 4 PLIP interactions: 4 interactions with chain A Hydrophobic interactions: A:I.123, A:Q.124 Hydrogen bonds: A:S.361, A:S.361 ACT.6: 7 residues within 4Å: Chain B: G.121, I.123, Q.124, W.291, V.353, A.358, S.361 4 PLIP interactions: 4 interactions with chain B Hydrophobic interactions: B:I.123, B:Q.124 Hydrogen bonds: B:W.291, B:S.361

1 x ZN: ZINC ION(Non-covalent)

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

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

HEM.3: 19 residues within 4Å: Chain A: W.113, A.116, R.118, C.119, V.120, G.121, M.274, F.288, S.289, G.290, W.291, M.293, E.296, W.382, F.408, Y.410 Ligands: ACT.1, H4B.4, 3HX.5 17 PLIP interactions: 17 interactions with chain A, Hydrophobic interactions: A:W.113, A:W.113, A:A.116, A:F.288, A:F.288, A:W.291, A:W.291, A:E.296, A:W.382, A:F.408, A:F.408 Hydrogen bonds: A:R.118, A:Y.410 Water bridges: A:R.300, A:R.300 pi-Stacking: A:W.113 Metal complexes: A:C.119 HEM.7: 18 residues within 4Å: Chain B: W.113, A.116, R.118, C.119, V.120, G.121, M.274, F.288, S.289, G.290, W.291, M.293, E.296, W.382, F.408, Y.410 Ligands: H4B.8, 3HX.9 16 PLIP interactions: 16 interactions with chain B, Hydrophobic interactions: B:W.113, B:W.113, B:A.116, B:F.288, B:F.288, B:F.288, B:W.291, B:E.296, B:W.382, B:F.408, B:F.408 Water bridges: B:R.300, B:R.300 Salt bridges: B:R.118 pi-Stacking: B:W.113 Metal complexes: B:C.119

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

H4B.4: 10 residues within 4Å: Chain A: S.38, R.300, V.381, W.382 Chain B: W.380, F.395, H.396, Q.397, E.398 Ligands: HEM.3 13 PLIP interactions: 2 interactions with chain B, 11 interactions with chain A Hydrophobic interactions: B:E.398 Water bridges: B:H.396, A:S.38, A:R.300, A:R.300, A:R.300, A:W.382 Hydrogen bonds: A:R.300, A:V.381, A:W.382 pi-Stacking: A:W.382, A:W.382 pi-Cation interactions: A:W.382 H4B.8: 10 residues within 4Å: Chain A: W.380, F.395, H.396, Q.397, E.398 Chain B: S.38, R.300, V.381, W.382 Ligands: HEM.7 9 PLIP interactions: 7 interactions with chain B, 2 interactions with chain A Hydrogen bonds: B:R.300, B:R.300, B:V.381, B:W.382 pi-Stacking: B:W.382, B:W.382 pi-Cation interactions: B:W.382 Hydrophobic interactions: A:E.398 Water bridges: A:H.396

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

3HX.5: 9 residues within 4Å: Chain A: Q.182, P.269, V.271, F.288, S.289, G.290, W.291, E.296 Ligands: HEM.3 5 PLIP interactions: 5 interactions with chain A Hydrophobic interactions: A:V.271 Hydrogen bonds: A:E.296 Water bridges: A:Q.182, A:Q.182 Salt bridges: A:E.296 3HX.9: 9 residues within 4Å: Chain B: Q.182, P.269, V.271, F.288, S.289, G.290, W.291, E.296 Ligands: HEM.7 4 PLIP interactions: 4 interactions with chain B Hydrophobic interactions: B:V.271 Hydrogen bonds: B:E.296 Water bridges: B:Q.182 Salt bridges: B:E.296

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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