SMTL ID : 2zq9.1

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

Coordinates

PDB Format

Method

X-RAY DIFFRACTION 1.07 Å

Oligo State

monomer

Ligands

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

SO4.1: 5 residues within 4Å: Chain A: W.203, P.225, E.226, N.227, H.228 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:E.226, A:N.227 Salt bridges: A:H.228 SO4.2: 1 residues within 4Å: Chain A: R.152 3 PLIP interactions: 3 interactions with chain A Hydrogen bonds: A:R.138 Water bridges: A:R.152 Salt bridges: A:R.152

1 x CEO: 5-METHYLENE-2-[2-OXO-1-(2-THIOPHEN-2-YL-ACETYLAMINO)-ETHYL]-5,6-DIHYDRO-2H-[1,3]THIAZINE-4-CARBOXYLIC ACID(Covalent)

CEO.3: 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 11 PLIP interactions: 11 interactions with chain A Hydrophobic interactions: A:P.141, A:N.144 Hydrogen bonds: A:S.44, A:N.78, A:S.104, A:S.104, A:N.106, A:T.209, A:S.211, A:S.211 Salt bridges: A:K.208

1 x CLS: CEPHALOTHIN(Covalent)

CLS.4: 5 residues within 4Å: Chain A: E.245, N.246, R.247, N.248, D.249 4 PLIP interactions: 4 interactions with chain A Hydrogen bonds: A:D.249 Water bridges: A:N.248, A:N.248 Salt bridges: A:R.247

1 x SPA: THIOPHENEACETIC ACID(Covalent)

SPA.5: 5 residues within 4Å: Chain A: E.70, I.71, K.72, N.88, G.89 3 PLIP interactions: 3 interactions with chain A Hydrophobic interactions: A:E.70, A:E.70 Hydrogen bonds: A:N.88

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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