SMTL ID : 8cj0.1

E. coli NfsB-T41Q/N71S/F124T/M127V mutant bound to nicotinate

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.99 Å

Oligo State

homo-dimer

Ligands

2 x FMN: FLAVIN MONONUCLEOTIDE(Non-covalent)

FMN.1: 22 residues within 4Å: Chain A: R.10, H.11, S.12, K.14, 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, Q.41, N.42, Q.142, L.145 Ligands: NIO.5 25 PLIP interactions: 21 interactions with chain A, 4 interactions with chain B Hydrophobic interactions: A:Y.144, A:P.163, A:E.165, B:L.145 Hydrogen bonds: A:S.12, A:S.12, A:S.12, A:S.12, A:K.14, A:K.74, A:K.74, A:E.165, A:G.166, A:N.200, B:S.39, B:Q.41, B:N.42 Water bridges: A:K.14, A:K.205, A:K.205, A:S.206, A:R.207 Salt bridges: A:R.10, A:K.205, A:R.207 FMN.4: 21 residues within 4Å: Chain A: P.38, S.39, S.40, Q.41, N.42, Q.142, L.145 Chain B: R.10, H.11, S.12, K.14, K.74, Y.144, P.163, I.164, E.165, G.166, N.200, K.205, R.207 Ligands: NIO.2 26 PLIP interactions: 6 interactions with chain A, 20 interactions with chain B Hydrophobic interactions: A:L.145, B:Y.144, B:P.163, B:E.165 Hydrogen bonds: A:S.39, A:Q.41, B:S.12, B:S.12, B:S.12, B:S.12, B:K.14, B:K.14, B:K.74, B:K.74, B:E.165, B:G.166, B:N.200 Water bridges: A:E.102, A:R.107, A:R.121, B:K.205, B:S.206, B:R.207 Salt bridges: B:R.10, B:K.205, B:R.207

2 x NIO: NICOTINIC ACID(Non-covalent)

NIO.2: 3 residues within 4Å: Chain A: S.40, Q.41 Ligands: FMN.4 3 PLIP interactions: 2 interactions with chain A, 1 interactions with chain B Hydrophobic interactions: A:Q.41 Hydrogen bonds: A:Q.41 Salt bridges: B:K.14 NIO.5: 3 residues within 4Å: Chain B: S.40, Q.41 Ligands: FMN.1 4 PLIP interactions: 3 interactions with chain B, 1 interactions with chain A Hydrophobic interactions: B:Q.41 Hydrogen bonds: B:Q.41, B:Q.41 Salt bridges: A:K.14

1 x EDO: 1,2-ETHANEDIOL(Non-functional Binders)

EDO.3: 6 residues within 4Å: Chain A: V.6, K.9, R.10, A.155, G.158, L.159 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:L.159

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Day, M.A. et al., Structure and Dynamics of Three Escherichia coli NfsB Nitro-Reductase Mutants Selected for Enhanced Activity with the Cancer Prodrug CB1954. Int J Mol Sci (2023)

Release Date

2023-04-19

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