SMTL ID : 2zqc.1

Aztreonam acyl-intermediate structure of class a beta-lactam Toho-1 E166A/R274N/R276N triple mutant

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.07 Å

Oligo State

monomer

Ligands

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

SO4.1: 6 residues within 4Å: Chain A: W.203, P.225, E.226, N.227, H.228, F.262 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:E.226, A:N.227, A:F.262 Salt bridges: A:H.228 SO4.2: 4 residues within 4Å: Chain A: N.246, R.247, N.248, D.249 5 PLIP interactions: 5 interactions with chain A Hydrogen bonds: A:N.248, A:N.248, A:D.249 Water bridges: A:A.193, A:N.248 SO4.3: 1 residues within 4Å: Chain A: R.152 3 PLIP interactions: 3 interactions with chain A Water bridges: A:R.138, A:R.152 Salt bridges: A:R.152 SO4.4: 3 residues within 4Å: Chain A: K.62, H.63, N.66 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:N.66 Water bridges: A:N.66, A:N.66 Salt bridges: A:H.63

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.5: 14 residues within 4Å: Chain A: C.43, S.44, N.78, Y.79, S.104, N.106, P.141, N.144, 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, A:Y.79 Hydrogen bonds: A:S.44, A:N.78, A:S.104, A:N.106, A:P.141, A:N.144, A:T.209, A:S.211, A:S.211 Water bridges: A:Y.79, A:S.104 Salt bridges: A:K.208

Links

RCSB   PDBe   PDBe-KB   PDBj   PDBsum   CATH   PLIP

Citation

Nitanai, Y. et al., Structural Basis of Extend Spectrum Beta-Lactamase in Correlation of Enzymatic Kinetics and Thermal Stability of Acyl-Intermediates. To be Published

Release Date

2009-07-28

Peptides

Beta-lactamase Toho-1: A

SMTL:PDB

SMTL Chain Id:
PDB Chain Id:

A
A

Beta-lactamase Toho-1

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