SMTL ID : 8aki.1

Acyl-enzyme complex of ampicillin bound to deacylation mutant KPC-2 (E166Q)

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.40 Å

Oligo State

monomer

Ligands

1 x AIX: (2R,4S)-2-[(1R)-1-{[(2R)-2-amino-2-phenylacetyl]amino}-2-oxoethyl]-5,5-dimethyl-1,3-thiazolidine-4-carboxylic acid(Covalent)

AIX.1: 19 residues within 4Å: Chain A: C.65, S.66, K.69, W.101, Y.125, S.126, N.128, Q.162, L.163, N.166, T.212, R.216, K.230, T.231, G.232, T.233, C.234, G.235, H.269 17 PLIP interactions: 17 interactions with chain A Hydrophobic interactions: A:T.233 Hydrogen bonds: A:S.66, A:S.126, A:S.126, A:N.128, A:N.166, A:T.212, A:T.231, A:T.233, A:T.233 Water bridges: A:Q.162, A:C.234, A:C.234 Salt bridges: A:R.216, A:K.230 pi-Stacking: A:W.101, A:W.101

4 x SO4: SULFATE ION(Non-functional Binders)

SO4.2: 4 residues within 4Å: Chain A: H.269, S.270, E.271, A.272 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:H.269, A:E.271, A:A.272 SO4.3: 2 residues within 4Å: Chain A: T.249, G.250 1 PLIP interactions: 1 interactions with chain A Hydrogen bonds: A:G.250 SO4.4: 2 residues within 4Å: Chain A: T.23, R.180 3 PLIP interactions: 3 interactions with chain A Water bridges: A:R.180, A:R.180 Salt bridges: A:R.180 SO4.5: 3 residues within 4Å: Chain A: I.169, Y.237, K.265 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:Y.237 Salt bridges: A:K.265

1 x GOL: GLYCEROL(Non-functional Binders)

GOL.6: 5 residues within 4Å: Chain A: Q.201, V.204, K.208, A.226, W.247 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:Q.201, A:Q.201, A:Q.201, A:K.208

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Tooke, C.L. et al., Tautomer-Specific Deacylation and Omega-Loop Flexibility Explain the Carbapenem-Hydrolyzing Broad-Spectrum Activity of the KPC-2 beta-Lactamase. J.Am.Chem.Soc. (2023)

Release Date

2023-03-08

Peptides

Carbapenem-hydrolyzing beta-lactamase KPC: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

Carbapenem-hydrolyzing beta-lactamase KPC

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