SMTL ID : 8qpo.3 (3 other biounits)

E. coli NfsB with the unnatural amino acid p-nitrophenylalanine at position 124.

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.74 Å

Oligo State

homo-dimer

Ligands

2 x FMN: FLAVIN MONONUCLEOTIDE(Non-covalent)

FMN.1: 23 residues within 4Å: Chain A: R.14, H.15, S.16, K.18, N.75, K.78, Y.148, V.166, P.167, I.168, E.169, G.170, N.204, K.209, R.211 Chain B: P.42, S.43, S.44, T.45, N.46, Q.146, L.149 Ligands: ACT.4 28 PLIP interactions: 7 interactions with chain B, 21 interactions with chain A Hydrophobic interactions: B:L.149, A:Y.148, A:P.167, A:P.167 Hydrogen bonds: B:S.43, B:T.45, B:N.46, A:S.16, A:S.16, A:S.16, A:S.16, A:K.18, A:N.75, A:N.75, A:K.78, A:E.169, A:G.170, A:N.204 Water bridges: B:T.45, B:E.106, B:R.111, A:K.209, A:K.209, A:R.211, A:R.211 Salt bridges: A:R.14, A:K.209, A:R.211 FMN.3: 23 residues within 4Å: Chain A: P.42, S.43, S.44, T.45, N.46, Q.146, L.149 Chain B: R.14, H.15, S.16, K.18, N.75, K.78, Y.148, V.166, P.167, I.168, E.169, G.170, N.204, K.209, R.211 Ligands: ACT.2 22 PLIP interactions: 19 interactions with chain B, 3 interactions with chain A Hydrophobic interactions: B:Y.148, B:P.167, B:P.167, A:L.149 Hydrogen bonds: B:S.16, B:S.16, B:S.16, B:S.16, B:N.75, B:N.75, B:K.78, B:E.169, B:G.170, B:N.204, A:T.45, A:N.46 Water bridges: B:K.209, B:K.209, B:R.211 Salt bridges: B:R.14, B:K.209, B:R.211

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

ACT.2: 2 residues within 4Å: Chain A: T.45 Ligands: FMN.3 2 PLIP interactions: 1 interactions with chain A, 1 interactions with chain B Hydrogen bonds: A:T.45 Salt bridges: B:K.18 ACT.4: 3 residues within 4Å: Chain B: S.44, T.45 Ligands: FMN.1 2 PLIP interactions: 1 interactions with chain B, 1 interactions with chain A Hydrogen bonds: B:T.45 Salt bridges: A:K.18

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Day, M.A. et al., E. coli NfsB with unnatural amino acids at position 124. To Be Published

Release Date

2024-08-14

Peptides

Oxygen-insensitive NAD(P)H nitroreductase: AB

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
D

B
E

Oxygen-insensitive NAD(P)H nitroreductase

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