SMTL ID : 1tll.1

CRYSTAL STRUCTURE OF RAT NEURONAL NITRIC-OXIDE SYNTHASE REDUCTASE MODULE AT 2.3 A RESOLUTION.

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 2.30 Å

Oligo State

homo-dimer

Ligands

2 x SO3: SULFITE ION(Non-covalent)

SO3.1: 3 residues within 4Å: Chain A: K.401, E.411, R.459 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:K.401, A:R.459, A:R.459 Salt bridges: A:E.411 SO3.5: 2 residues within 4Å: Chain B: K.354, R.476 3 PLIP interactions: 3 interactions with chain B Hydrogen bonds: B:K.354, B:R.476 Salt bridges: B:E.300

2 x FMN: FLAVIN MONONUCLEOTIDE(Non-covalent)

FMN.2: 23 residues within 4Å: Chain A: T.20, E.21, T.22, G.23, K.24, S.25, S.66, T.67, F.68, G.69, G.71, L.143, G.144, S.145, Y.148, H.150, F.151, C.152, E.178, Q.182, I.653, G.655 Ligands: FAD.3 26 PLIP interactions: 26 interactions with chain A Hydrophobic interactions: A:F.68, A:F.68, A:Y.148 Hydrogen bonds: A:T.20, A:E.21, A:T.22, A:K.24, A:K.24, A:S.25, A:S.66, A:S.66, A:T.67, A:T.67, A:G.71, A:S.145, A:H.150, A:C.152, A:E.178, A:E.178, A:Q.182, A:Q.182 Water bridges: A:T.22 Salt bridges: A:K.24 pi-Stacking: A:F.68, A:F.68, A:Y.148 FMN.6: 24 residues within 4Å: Chain B: T.20, E.21, T.22, G.23, K.24, S.25, S.66, T.67, F.68, G.69, N.70, G.71, L.143, G.144, S.145, Y.148, H.150, F.151, C.152, E.178, Q.182, I.653, G.655 Ligands: FAD.7 20 PLIP interactions: 20 interactions with chain B Hydrophobic interactions: B:F.68, B:Y.148 Hydrogen bonds: B:E.21, B:T.22, B:K.24, B:K.24, B:S.25, B:S.66, B:S.66, B:T.67, B:T.67, B:G.71, B:S.145, B:H.150, B:C.152, B:Q.182, B:Q.182 pi-Stacking: B:F.68, B:F.68, B:Y.148

2 x FAD: FLAVIN-ADENINE DINUCLEOTIDE(Non-covalent)

FAD.3: 19 residues within 4Å: Chain A: H.291, R.432, Y.433, Y.434, S.435, T.450, V.451, A.452, Y.456, G.468, V.469, C.470, S.471, T.510, A.513, D.652, I.653, F.654 Ligands: FMN.2 19 PLIP interactions: 19 interactions with chain A Hydrophobic interactions: A:Y.433, A:F.654 Hydrogen bonds: A:Y.433, A:Y.433, A:Y.434, A:S.435, A:T.450, A:A.452, A:V.469, A:C.470, A:S.471, A:T.510 Water bridges: A:T.450 Salt bridges: A:R.432, A:R.432 pi-Stacking: A:Y.434, A:Y.456, A:Y.456, A:F.654 FAD.7: 20 residues within 4Å: Chain B: H.291, R.432, Y.433, Y.434, S.435, T.450, V.451, A.452, V.454, Y.456, G.468, V.469, C.470, S.471, T.510, A.513, I.653, F.654 Ligands: FMN.6, NAP.8 18 PLIP interactions: 18 interactions with chain B Hydrophobic interactions: B:Y.433, B:F.654, B:F.654 Hydrogen bonds: B:Y.433, B:Y.433, B:S.435, B:T.450, B:A.452, B:Y.456, B:V.469, B:C.470, B:S.471 Water bridges: B:T.450 Salt bridges: B:R.432, B:R.432 pi-Stacking: B:Y.456, B:Y.456, B:F.654

2 x NAP: NADP NICOTINAMIDE-ADENINE-DINUCLEOTIDE PHOSPHATE(Non-covalent)(Covalent)

NAP.4: 23 residues within 4Å: Chain A: R.269, A.452, I.453, V.454, S.455, P.508, G.509, T.510, G.541, C.542, R.543, D.548, S.572, R.573, K.579, Y.581, Q.583, T.612, M.613, D.616, T.657, L.658, R.659 20 PLIP interactions: 20 interactions with chain A Hydrogen bonds: A:T.510, A:C.542, A:R.543, A:R.543, A:S.572, A:Y.581, A:Q.583, A:D.616, A:D.616, A:R.659 Water bridges: A:V.582, A:T.612 Salt bridges: A:R.269, A:R.269, A:R.543, A:R.573, A:K.579, A:R.659 pi-Stacking: A:Y.581, A:Y.581 NAP.8: 24 residues within 4Å: Chain B: R.269, A.452, I.453, V.454, P.508, G.509, T.510, G.541, C.542, R.543, D.548, S.572, R.573, K.579, Y.581, Q.583, T.612, M.613, D.616, T.657, L.658, R.659, T.660 Ligands: FAD.7 18 PLIP interactions: 18 interactions with chain B Hydrophobic interactions: B:R.269 Hydrogen bonds: B:R.269, B:T.510, B:C.542, B:S.572, B:Y.581, B:Q.583, B:D.616, B:D.616, B:T.657 Salt bridges: B:R.269, B:R.269, B:R.543, B:R.573, B:K.579, B:R.659 pi-Stacking: B:Y.581, B:Y.581

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Garcin, E.D. et al., Structural basis for isozyme-specific regulation of electron transfer in nitric-oxide synthase. J.Biol.Chem. (2004)

Release Date

2004-08-31

Peptides

Nitric-oxide synthase, brain: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

Nitric-oxide synthase, brain