SMTL ID : 4uh6.1

Structure of human nNOS R354A G357D mutant heme domain in complex with 3-(2-(6-Amino-4-methylpyridin-2-yl)ethyl)-5-(methyl(2-(methylamino)ethyl)amino)benzonitrile

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.98 Å

Oligo State

homo-dimer

Ligands

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

HEM.1: 20 residues within 4Å: Chain A: W.113, A.116, R.118, C.119, V.120, G.121, L.128, S.161, M.274, F.288, S.289, G.290, W.291, M.293, E.296, W.382, F.408, Y.410 Ligands: H4B.2, Q1T.4 21 PLIP interactions: 21 interactions with chain A, Hydrophobic interactions: A:W.113, A:W.113, A:W.113, A:A.116, A:R.118, A:V.120, A:L.128, A:F.288, A:F.288, A:F.288, A:F.288, A:W.291, A:E.296, A:W.382, A:F.408, A:F.408 Hydrogen bonds: A:R.118 Water bridges: A:R.300, A:Y.410 pi-Stacking: A:W.113 Metal complexes: A:C.119 HEM.6: 21 residues within 4Å: Chain B: W.113, A.116, R.118, C.119, V.120, G.121, L.128, S.161, M.274, F.288, S.289, G.290, W.291, M.293, E.296, V.353, W.382, F.408, Y.410 Ligands: H4B.7, Q1T.9 20 PLIP interactions: 20 interactions with chain B, Hydrophobic interactions: B:W.113, B:W.113, B:A.116, B:R.118, B:L.128, B:F.288, B:F.288, B:W.291, B:E.296, B:V.353, B:W.382, B:F.408, B:F.408, B:F.408 Hydrogen bonds: B:R.118, B:Y.410 Water bridges: B:R.300, B:Y.410 pi-Stacking: B:W.113 Metal complexes: B:C.119

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

H4B.2: 12 residues within 4Å: Chain A: S.38, M.40, R.300, V.381, W.382 Chain B: W.380, F.395, H.396, Q.397, E.398 Ligands: HEM.1, Q1T.4 11 PLIP interactions: 10 interactions with chain A, 1 interactions with chain B Hydrogen bonds: A:R.300, A:R.300, A:V.381, A:W.382 Water bridges: A:S.38, A:W.382 pi-Stacking: A:W.382, A:W.382 pi-Cation interactions: A:W.382, A:W.382 Hydrophobic interactions: B:E.398 H4B.7: 12 residues within 4Å: Chain A: W.380, F.395, H.396, Q.397, E.398 Chain B: S.38, M.40, R.300, V.381, W.382 Ligands: HEM.6, Q1T.9 12 PLIP interactions: 10 interactions with chain B, 2 interactions with chain A Hydrogen bonds: B:R.300, B:V.381, B:W.382 Water bridges: B:S.38, B:R.300, B:R.300, B:R.300, A:H.396 pi-Stacking: B:W.382, B:W.382 pi-Cation interactions: B:W.382 Hydrophobic interactions: A:E.398

2 x CL: CHLORIDE ION(Non-functional Binders)

CL.3: 2 residues within 4Å: Chain A: W.291, V.353 Ligand excluded by PLIP CL.8: 2 residues within 4Å: Chain B: W.291, V.353 Ligand excluded by PLIP

2 x Q1T: 3-(2-(6-AMINO-4-METHYLPYRIDIN-2-YL)ETHYL)-5-(METHYL(2-(METHYLAMINO)ETHYL)AMINO)BENZONITRILE(Non-covalent)

Q1T.4: 15 residues within 4Å: Chain A: S.181, Q.182, R.185, P.269, V.271, F.288, S.289, G.290, W.291, Y.292, M.293, E.296, R.300 Ligands: HEM.1, H4B.2 9 PLIP interactions: 9 interactions with chain A Hydrophobic interactions: A:Q.182, A:P.269, A:V.271, A:F.288 Hydrogen bonds: A:M.293, A:E.296 Water bridges: A:R.185, A:N.273, A:R.300 Q1T.9: 16 residues within 4Å: Chain B: S.181, Q.182, R.185, P.269, V.271, F.288, S.289, G.290, W.291, Y.292, M.293, E.296, R.300, R.307 Ligands: HEM.6, H4B.7 7 PLIP interactions: 7 interactions with chain B Hydrophobic interactions: B:Q.182, B:P.269, B:V.271, B:F.288 Hydrogen bonds: B:M.293, B:E.296 Water bridges: B:R.185

1 x ZN: ZINC ION(Non-covalent)

ZN.5: 5 residues within 4Å: Chain A: C.30, C.35, M.36 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

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Kang, S. et al., 2-Aminopyridines with a Truncated Side Chain to Improve Human Neuronal Nitric Oxide Synthase Inhibitory Potency and Selectivity. J.Med.Chem. (2015)

Release Date

2015-07-15

Peptides

NITRIC OXIDE SYNTHASE, BRAIN: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

NITRIC OXIDE SYNTHASE, BRAIN

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