4WBG image
Deposition Date 2014-09-03
Release Date 2015-07-01
Last Version Date 2024-10-23
Entry Detail
PDB ID:
4WBG
Keywords:
HYDROLASE
Title:
Crystal structure of class C beta-lactamase Mox-1 covalently complexed with aztorenam
Biological Source:
Source Organism:
Klebsiella pneumoniae (Taxon ID: 573)
Host Organism:
Escherichia coli
Method Details:
Experimental Method:
X-RAY DIFFRACTION
Resolution:
1.90 Å
R-Value Free:
0.21
R-Value Work:
0.17
R-Value Observed:
0.17
Space Group:
P 1 21 1
4WBG validation report
Macromolecular Entities
Structures with similar UniProt ID
Protein Blast
Polymer Type:polypeptide(L)
Molecule:Beta-lactamase
Gene (Uniprot):blaMOX-1
Chain IDs:A
Chain Length:380
Number of Molecules:1
Biological Source:Klebsiella pneumoniae
UniProt ID:Q51578 Pfam ID:PF00144 EC:3.5.2.6
Ligand Molecules
ACT
AZR
ZN
Primary Citation
Conformational Change Observed in the Active Site of Class C beta-Lactamase MOX-1 upon Binding to Aztreonam
Antimicrob.Agents Chemother. 59 5069 5072 (2015)
PMID: 26055361 DOI: 10.1128/AAC.04428-14

Abstact

We solved the crystal structure of the class C β-lactamase MOX-1 complexed with the inhibitor aztreonam at 1.9Å resolution. The main-chain oxygen of Ser315 interacts with the amide nitrogen of aztreonam. Surprisingly, compared to that in the structure of free MOX-1, this main-chain carboxyl changes its position significantly upon binding to aztreonam. This result indicates that the interaction between MOX-1 and β-lactams can be accompanied by conformational changes in the B3 β-strand main chain.

Legend

Protein

Chemical

Disease

Primary Citation of related structures
3W8K
Feedback Form
Name
Email
Institute
Feedback