SMTL ID : 2bf4.1 (1 other biounit)

A second FMN-binding site in yeast NADPH-cytochrome P450 reductase suggests a novel mechanism of electron transfer by diflavin reductases.

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 3.00 Å

Oligo State

monomer

Ligands

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

FAD.1: 26 residues within 4Å: Chain A: H.297, G.355, P.356, Y.396, F.397, N.398, R.430, Y.431, Y.432, S.433, T.448, S.449, I.450, E.452, F.454, V.465, V.466, G.467, V.468, T.469, T.470, T.534, D.680, W.682 Ligands: FMN.2, FMN.3 26 PLIP interactions: 26 interactions with chain A Hydrophobic interactions: A:Y.431, A:W.682, A:W.682, A:W.682 Hydrogen bonds: A:G.355, A:N.398, A:Y.431, A:Y.431, A:Y.432, A:S.433, A:T.448, A:I.450, A:E.452, A:V.468, A:T.469, A:T.470, A:T.470 Water bridges: A:E.352, A:E.352, A:V.357, A:F.397, A:F.397 Salt bridges: A:R.430, A:R.430 pi-Stacking: A:W.682, A:W.682

2 x FMN: FLAVIN MONONUCLEOTIDE(Non-covalent)

FMN.2: 22 residues within 4Å: Chain A: S.58, Q.59, T.60, G.61, T.62, A.63, S.107, T.108, Y.109, G.110, E.111, L.143, G.144, N.145, Y.148, E.149, F.150, F.151, N.152, D.178, V.681 Ligands: FAD.1 21 PLIP interactions: 21 interactions with chain A Hydrophobic interactions: A:Y.109, A:Y.148 Hydrogen bonds: A:Q.59, A:T.60, A:G.61, A:T.62, A:T.62, A:T.62, A:A.63, A:S.107, A:S.107, A:T.108, A:T.108, A:N.145, A:F.150, A:N.152, A:D.178, A:D.178 pi-Stacking: A:Y.109, A:Y.148, A:Y.148 FMN.3: 14 residues within 4Å: Chain A: T.60, T.62, D.65, Y.66, K.69, D.178, G.181, D.184, P.356, V.357, S.358, T.393, P.425 Ligands: FAD.1 10 PLIP interactions: 10 interactions with chain A Hydrophobic interactions: A:D.184, A:P.356 Hydrogen bonds: A:D.65, A:Y.66, A:K.69, A:D.178 Water bridges: A:T.62, A:T.62, A:R.430, A:R.430

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

NAP.4: 19 residues within 4Å: Chain A: R.276, I.450, E.452, P.532, G.533, T.534, G.570, S.571, R.572, S.601, R.602, K.608, Y.610, Q.612, D.637, K.639, G.640, M.641, W.682 22 PLIP interactions: 22 interactions with chain A Hydrogen bonds: A:R.276, A:I.450, A:E.452, A:P.532, A:T.534, A:S.571, A:S.601, A:S.601, A:Y.610, A:Q.612, A:D.637, A:D.637, A:K.639, A:W.682 Water bridges: A:R.572, A:R.602, A:V.611, A:A.638 Salt bridges: A:R.602, A:K.608 pi-Stacking: A:Y.610, A:Y.610

3 x SO4: SULFATE ION(Non-functional Binders)

SO4.5: 5 residues within 4Å: Chain A: S.273, D.275, R.276, R.572, N.573 7 PLIP interactions: 7 interactions with chain A Hydrogen bonds: A:S.273, A:D.275, A:R.572, A:N.573, A:N.573, A:D.575 Salt bridges: A:R.276 SO4.6: 2 residues within 4Å: Chain A: D.617, Y.618 No protein-ligand interaction detected (PLIP) SO4.7: 0 residues within 4Å: (No contacts) No protein-ligand interaction detected (PLIP)

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Lamb, D.C. et al., A Second Fmn-Binding Site in Yeast Nadph-Cytochrome P450 Reductase Suggests a Mechanism of Electron Transfer by Diflavin Reductases. Structure (2006)

Release Date

2006-01-17

Peptides

NADPH-CYTOCHROME P450 REDUCTASE: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

NADPH-CYTOCHROME P450 REDUCTASE

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