SMTL ID : 2zqa.1

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

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 0.95 Å

Oligo State

monomer

Ligands

1 x CEF: CEFOTAXIME, C3' cleaved, open, bound form(Covalent)

CEF.1: 15 residues within 4Å: Chain A: C.43, S.44, N.78, Y.79, S.104, N.106, P.141, N.144, T.190, K.208, T.209, G.210, S.211, G.212, N.246 12 PLIP interactions: 12 interactions with chain A Hydrophobic interactions: A:T.190 Hydrogen bonds: A:S.44, A:N.78, A:S.104, A:N.106, A:N.144, A:T.209, A:S.211, A:S.211, A:S.211, A:S.211 Salt bridges: A:K.208

4 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 5 PLIP interactions: 5 interactions with chain A Hydrogen bonds: A:W.203, A:E.226, A:N.227 Water bridges: A:N.227 Salt bridges: A:H.228 SO4.3: 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 SO4.4: 1 residues within 4Å: Chain A: R.152 5 PLIP interactions: 5 interactions with chain A Water bridges: A:R.138, A:R.152, A:R.152, A:R.152 Salt bridges: A:R.152 SO4.5: 3 residues within 4Å: Chain A: K.62, H.63, N.66 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:K.62, A:N.66 Water bridges: A:N.66 Salt bridges: A:H.63

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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