SMTL ID : 1icr.1

THE STRUCTURE OF ESCHERICHIA COLI NITROREDUCTASE COMPLEXED WITH NICOTINIC ACID

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.70 Å

Oligo State

homo-dimer

Ligands

2 x FMN: FLAVIN MONONUCLEOTIDE(Non-covalent)

FMN.1: 23 residues within 4Å: Chain A: R.10, H.11, S.12, K.14, N.71, K.74, Y.144, V.162, P.163, I.164, E.165, G.166, N.200, K.205, R.207 Chain B: P.38, S.39, S.40, T.41, N.42, Q.142, L.145 Ligands: NIO.3 25 PLIP interactions: 6 interactions with chain B, 19 interactions with chain A Hydrophobic interactions: B:L.145, A:Y.144, A:P.163 Hydrogen bonds: B:S.39, B:T.41, B:N.42, A:S.12, A:S.12, A:S.12, A:S.12, A:K.14, A:N.71, A:N.71, A:K.74, A:E.165, A:G.166, A:N.200 Water bridges: B:T.41, B:R.121, A:K.205, A:K.205, A:R.207 Salt bridges: A:R.10, A:K.205, A:R.207 FMN.4: 23 residues within 4Å: Chain A: P.38, S.39, S.40, T.41, N.42, Q.142, L.145 Chain B: R.10, H.11, S.12, K.14, N.71, K.74, Y.144, V.162, P.163, I.164, E.165, G.166, N.200, K.205, R.207 Ligands: NIO.2 25 PLIP interactions: 20 interactions with chain B, 5 interactions with chain A Hydrophobic interactions: B:Y.144, B:P.163, A:L.145 Hydrogen bonds: B:S.12, B:S.12, B:S.12, B:S.12, B:K.14, B:N.71, B:N.71, B:K.74, B:E.165, B:G.166, B:N.200, A:S.39, A:T.41 Water bridges: B:K.205, B:K.205, B:R.207, B:R.207, A:E.102, A:R.121 Salt bridges: B:R.10, B:K.205, B:R.207

2 x NIO: NICOTINIC ACID(Non-covalent)

NIO.2: 6 residues within 4Å: Chain A: S.40, T.41, F.124 Chain B: E.165, G.166 Ligands: FMN.4 6 PLIP interactions: 2 interactions with chain A, 4 interactions with chain B Hydrophobic interactions: A:T.41, B:E.165 Hydrogen bonds: A:T.41 Water bridges: B:K.14, B:K.14 Salt bridges: B:K.14 NIO.3: 6 residues within 4Å: Chain A: E.165, G.166 Chain B: S.40, T.41, F.124 Ligands: FMN.1 6 PLIP interactions: 4 interactions with chain A, 2 interactions with chain B Hydrophobic interactions: A:E.165, B:T.41 Water bridges: A:K.14, A:K.14 Salt bridges: A:K.14 Hydrogen bonds: B:T.41

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Lovering, A.L. et al., The structure of Escherichia coli nitroreductase complexed with nicotinic acid: three crystal forms at 1.7 A, 1.8 A and 2.4 A resolution. J.Mol.Biol. (2001)

Release Date

2001-04-18

Peptides

OXYGEN-INSENSITIVE NAD(P)H NITROREDUCTASE: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

B
B

OXYGEN-INSENSITIVE NAD(P)H NITROREDUCTASE

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