SMTL ID : 9qi6.1 (1 other biounit)

Structure of I105R BlaC from Mycobacterium tuberculosis bound to the trans-enamine adduct of clavulanic acid

Coordinates

PDB Format Compare

Method

X-RAY DIFFRACTION 1.80 Å

Oligo State

monomer

Ligands

3 x ZN: ZINC ION(Non-covalent)

ZN.1: 2 residues within 4Å: Chain A: D.1, D.4 3 PLIP interactions: 2 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:D.4, A:D.4, H2O.3 ZN.2: 2 residues within 4Å: Chain A: H.60, D.111 4 PLIP interactions: 3 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:H.60, A:D.111, A:D.111, H2O.8 ZN.3: 2 residues within 4Å: Chain A: D.35, H.158 4 PLIP interactions: 3 interactions with chain A, 1 Ligand-Water interactions Metal complexes: A:D.35, A:D.35, A:H.158, H2O.1

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

ACT.4: 8 residues within 4Å: Chain A: S.42, S.100, R.194, K.208, T.209, G.210, T.211 Ligands: ISS.10 5 PLIP interactions: 5 interactions with chain A Hydrogen bonds: A:S.100, A:T.209, A:T.209, A:T.211 Salt bridges: A:R.194 ACT.8: 3 residues within 4Å: Chain A: R.73, P.141, E.142 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:E.142, A:E.142 Salt bridges: A:R.73 ACT.9: 2 residues within 4Å: Chain A: T.59, D.62 2 PLIP interactions: 2 interactions with chain A Hydrophobic interactions: A:T.59 Hydrogen bonds: A:D.62

2 x GOL: GLYCEROL(Non-functional Binders)

GOL.5: 9 residues within 4Å: Chain A: M.185, A.186, N.188, G.191, A.192, R.196, V.205, I.206, D.207 8 PLIP interactions: 8 interactions with chain A Hydrogen bonds: A:M.185, A:N.188, A:G.191, A:D.207, A:D.207 Water bridges: A:A.192, A:R.196, A:V.205 GOL.7: 3 residues within 4Å: Chain A: K.204, W.224, G.228 No protein-ligand interaction detected (PLIP)

1 x PEG: DI(HYDROXYETHYL)ETHER(Non-functional Binders)

PEG.6: 2 residues within 4Å: Chain A: R.11, R.12 No protein-ligand interaction detected (PLIP)

1 x ISS: (2E)-3-[(4-hydroxy-2-oxobutyl)amino]prop-2-enal(Covalent)

ISS.10: 11 residues within 4Å: Chain A: C.41, S.42, K.45, S.100, E.140, N.144, G.210, T.211, G.212, D.213 Ligands: ACT.4 8 PLIP interactions: 8 interactions with chain A Hydrogen bonds: A:S.42, A:T.211, A:T.211, A:G.212, A:D.213 Water bridges: A:K.45, A:N.144, A:D.213

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Radojkovic, M. et al., High-resolution activity and inhibitor profiling of residue 105 in class A beta-lactamases. To Be Published

Release Date

2025-06-11

Peptides

Beta-lactamase: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

Beta-lactamase

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