SMTL ID : 8og3.1

E. coli NfsB triple mutant T41L/N71S/F124T bound to citrate

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 2.09 Å

Oligo State

homo-dimer

Ligands

2 x FMN: FLAVIN MONONUCLEOTIDE(Non-covalent)

FMN.1: 24 residues within 4Å: Chain A: R.9, H.10, S.11, K.13, K.73, Y.143, L.150, V.161, P.162, I.163, E.164, G.165, V.186, N.199, K.204, R.206 Chain B: P.37, S.38, S.39, Q.40, N.41, Q.141, L.144 Ligands: CIT.7 22 PLIP interactions: 7 interactions with chain B, 15 interactions with chain A Hydrophobic interactions: B:L.144, A:Y.143, A:P.162 Hydrogen bonds: B:S.38, B:Q.40, B:N.41, A:S.11, A:S.11, A:S.11, A:K.13, A:K.73, A:E.164, A:G.165, A:N.199 Water bridges: B:S.39, B:R.106, B:R.106, A:K.204, A:R.206 Salt bridges: A:R.9, A:K.204, A:R.206 FMN.5: 25 residues within 4Å: Chain A: P.37, S.38, S.39, Q.40, N.41, E.101, Q.141, L.144 Chain B: R.9, H.10, S.11, K.13, K.73, Y.143, L.150, V.161, P.162, I.163, E.164, G.165, V.186, N.199, K.204, R.206 Ligands: CIT.2 25 PLIP interactions: 8 interactions with chain A, 17 interactions with chain B Hydrophobic interactions: A:L.144, B:Y.143, B:P.162 Hydrogen bonds: A:S.38, A:Q.40, A:N.41, B:S.11, B:S.11, B:S.11, B:K.13, B:K.73, B:E.164, B:G.165, B:N.199 Water bridges: A:S.39, A:S.39, A:E.101, A:R.106, B:K.204, B:K.204, B:S.205, B:R.206 Salt bridges: B:R.9, B:K.204, B:R.206

2 x CIT: CITRIC ACID(Non-functional Binders)

CIT.2: 6 residues within 4Å: Chain A: S.39, Q.40, N.116, R.120 Chain B: K.13 Ligands: FMN.5 10 PLIP interactions: 7 interactions with chain A, 3 interactions with chain B Hydrogen bonds: A:Q.40, A:Q.40, A:Q.40, A:R.120 Water bridges: A:S.39, A:Q.40, A:N.116, B:K.13 Salt bridges: B:K.13, B:K.13 CIT.7: 9 residues within 4Å: Chain A: K.13 Chain B: S.39, Q.40, N.41, E.101, R.106, N.116, R.120 Ligands: FMN.1 12 PLIP interactions: 7 interactions with chain B, 5 interactions with chain A Hydrogen bonds: B:Q.40, B:Q.40, B:N.116 Water bridges: B:S.39, B:R.106, B:R.106, A:K.13, A:K.13, A:K.73 Salt bridges: B:R.106, A:K.13, A:K.13

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

EDO.3: 7 residues within 4Å: Chain A: K.8, R.9, H.10, A.154, L.158, D.159, A.160 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:H.10, A:H.10 Water bridges: A:K.8, A:D.159 EDO.4: 3 residues within 4Å: Chain A: R.58, K.61, E.174 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:K.61 EDO.6: 7 residues within 4Å: Chain B: K.8, R.9, H.10, A.154, L.158, D.159, A.160 3 PLIP interactions: 3 interactions with chain B Hydrogen bonds: B:H.10, B:H.10, B:D.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

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