SMTL ID : 5g18.1

Direct Observation of Active-site Protonation States in a Class A beta lactamase with a monobactam substrate

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.10 Å

Oligo State

monomer

Ligands

1 x AZR: 2-({[(1Z)-1-(2-amino-1,3-thiazol-4-yl)-2-oxo-2-{[(2S,3S)-1-oxo-3-(sulfoamino)butan-2-yl]amino}ethylidene]amino}oxy)-2-methylpropanoic acid(Covalent)

AZR.1: 17 residues within 4Å: Chain A: C.43, S.44, N.78, Y.79, S.104, N.106, P.141, T.142, N.144, T.145, T.190, K.208, T.209, G.210, S.211, G.212, D.213 14 PLIP interactions: 14 interactions with chain A Hydrophobic interactions: A:Y.79 Hydrogen bonds: A:S.44, A:N.78, A:S.104, A:S.104, A:N.106, A:P.141, A:N.144, A:T.209, A:T.209, A:S.211, A:S.211 Water bridges: A:S.104 Salt bridges: A:K.208

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

SO4.2: 6 residues within 4Å: Chain A: W.203, P.225, E.226, N.227, H.228, F.262 6 PLIP interactions: 6 interactions with chain A Hydrogen bonds: A:W.203, A:E.226, A:N.227, A:N.227, A:F.262 Salt bridges: A:H.228 SO4.3: 5 residues within 4Å: Chain A: A.193, N.246, R.247, N.248, D.249 8 PLIP interactions: 8 interactions with chain A Hydrogen bonds: A:N.248, A:N.248, A:D.249, A:D.249 Water bridges: A:A.193, A:E.245, A:R.247, A:N.248 SO4.4: 3 residues within 4Å: Chain A: R.138, I.147, R.152 3 PLIP interactions: 3 interactions with chain A Water bridges: A:R.138, A:R.152 Salt bridges: A:R.152 SO4.5: 3 residues within 4Å: Chain A: K.62, H.63, N.66 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:N.66 Water bridges: A:N.66 Salt bridges: A:H.63 SO4.6: 4 residues within 4Å: Chain A: Y.214, E.241, Q.242, K.243 2 PLIP interactions: 2 interactions with chain A Hydrogen bonds: A:Q.242 Water bridges: A:K.243

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Vandavasi, V.G. et al., Active-Site Protonation States in an Acyl-Enzyme Intermediate of a Class A beta-Lactamase with a Monobactam Substrate. Antimicrob. Agents Chemother. (2017)

Release Date

2016-11-09

Peptides

BETA-LACTAMASE CTX-M-97: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

BETA-LACTAMASE CTX-M-97

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