SMTL ID : 1p6h.1

Rat neuronal NOS heme domain with L-N(omega)-nitroarginine-2,4-L-diaminobutyric amide bound

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.98 Å

Oligo State

homo-dimer

Ligands

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

ACT.1: 5 residues within 4Å: Chain A: G.121, W.291, A.358, S.361 Ligands: HEM.3 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:W.291, A:S.361 ACT.6: 6 residues within 4Å: Chain B: G.121, I.123, Q.124, W.291, V.353, S.361 5 PLIP interactions: 5 interactions with chain B Hydrophobic interactions: B:I.123, B:Q.124 Hydrogen bonds: B:W.291, B:S.361 Water bridges: B:Q.124

1 x ZN: ZINC ION(Non-covalent)

ZN.2: 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

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, S.161, 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, DP1.5 17 PLIP interactions: 17 interactions with chain A, Hydrophobic interactions: A:W.113, A:W.113, A:A.116, A:V.120, A:F.288, A:F.288, A:F.288, A:W.291, A:E.296, A:W.382, A:F.408, A:F.408, A:F.408 Hydrogen bonds: A:Y.410 Water bridges: 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, G.121, S.161, M.274, F.288, S.289, G.290, W.291, M.293, E.296, W.382, F.408, Y.410 Ligands: H4B.8, DP1.9 14 PLIP interactions: 14 interactions with chain B, Hydrophobic interactions: B:W.113, 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:F.408, B:F.408 Water bridges: B:R.300 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 14 PLIP interactions: 12 interactions with chain A, 2 interactions with chain B Hydrogen bonds: A:R.300, A:V.381, A:W.382 Water bridges: A:S.38, A:R.300, A:R.300, A:R.300, A:W.382, B:H.396 pi-Stacking: A:W.382, A:W.382 pi-Cation interactions: A:W.382, A:W.382 Hydrophobic interactions: B:E.398 H4B.8: 11 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.7 9 PLIP interactions: 1 interactions with chain A, 8 interactions with chain B Hydrophobic interactions: A:E.398 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, B:W.382

2 x DP1: L-N(OMEGA)-NITROARGININE-2,4-L-DIAMINOBUTYRIC AMIDE(Non-covalent)

DP1.5: 12 residues within 4Å: Chain A: S.181, Q.182, R.185, P.269, V.271, N.273, F.288, S.289, G.290, W.291, E.296 Ligands: HEM.3 11 PLIP interactions: 11 interactions with chain A Hydrophobic interactions: A:V.271 Hydrogen bonds: A:S.181, A:Q.182, A:W.291, A:E.296 Water bridges: A:R.185, A:Y.266, A:P.269, A:F.288, A:R.307 Salt bridges: A:E.296 DP1.9: 12 residues within 4Å: Chain B: S.181, Q.182, R.185, P.269, V.271, N.273, F.288, S.289, G.290, W.291, E.296 Ligands: HEM.7 10 PLIP interactions: 10 interactions with chain B Hydrophobic interactions: B:V.271 Hydrogen bonds: B:S.181, B:Q.182, B:R.185, B:W.291, B:E.296 Water bridges: B:P.269, B:F.288, B:R.307 Salt bridges: B:E.296

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, brain: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Nitric-oxide synthase, brain

Related Entries With Identical Sequence