ISDA

Deposition Date 2008-08-07

Release Date 2009-07-28

Last Version Date 2023-11-01

Entry Detail

PDB ID:

2ZQ7

Keywords:

HYDROLASE

Title:

Apo structure of Class A beta-lactamase Toho-1 E166A/R274N/R276N triple mutant

Biological Source:

Source Organism:

Escherichia coli (Taxon ID: 562)

Host Organism:

Escherichia coli

Method Details:

Experimental Method:

X-RAY DIFFRACTION

Resolution:

0.94 Å

R-Value Free:

0.14

R-Value Work:

0.13

R-Value Observed:

0.13

Space Group:

P 32 2 1

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Macromolecular Entities

Protein Blast

Polymer Type:polypeptide(L)
Molecule:Beta-lactamase Toho-1
Gene (Uniprot):bla
Mutations:E166A, R274N, R276N
Chain IDs:A
Chain Length:262
Number of Molecules:1
Biological Source:Escherichia coli

UniProt ID:Q47066 Pfam ID:PF00144, PF00905, PF13354 EC:3.5.2.6

Ligand Molecules

SO4

Primary Citation

Improvement of the Crystal Quality by the Surface Mutations on a Beta-Lactamase Toho-1

Shimamura, T, Nitanai, Y, Uchiyama, T, Ago, H, Matsuzawa, H, Miyano, M.Show

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Primary Citation of related structures