spacer
spacer

PDBsum entry 3mzf

Go to PDB code: 
protein ligands links
Hydrolase/antibiotic PDB id
3mzf

 

 

 

 

Loading ...

 
JSmol PyMol  
Contents
Protein chain
355 a.a.
Ligands
IM2
GOL
Waters ×369
PDB id:
3mzf
Name: Hydrolase/antibiotic
Title: Structure of penicillin-binding protein 5 from e. Coli: imipenem acyl- enzyme complex
Structure: D-alanyl-d-alanine carboxypeptidase daca. Chain: a. Fragment: soluble construct. Synonym: dd-carboxypeptidase, dd-peptidase, beta-lactamase, penicillin-binding protein 5, pbp-5. Engineered: yes
Source: Escherichia coli. Organism_taxid: 83333. Strain: k12. Gene: b0632, daca, jw0627, pfv. Expressed in: escherichia coli. Expression_system_taxid: 562.
Resolution:
1.50Å     R-factor:   0.189     R-free:   0.212
Authors: G.Nicola,J.Tomberg,R.F.Pratt,R.A.Nicholas,C.Davies
Key ref: G.Nicola et al. (2010). Crystal structures of covalent complexes of β-lactam antibiotics with Escherichia coli penicillin-binding protein 5: toward an understanding of antibiotic specificity. Biochemistry, 49, 8094-8104. PubMed id: 20726582
Date:
12-May-10     Release date:   16-Mar-11    
PROCHECK
Go to PROCHECK summary
 Headers
 References

Protein chain
P0AEB2  (DACA_ECOLI) -  D-alanyl-D-alanine carboxypeptidase DacA from Escherichia coli (strain K12)
Seq:
Struc:
403 a.a.
355 a.a.
Key:    Secondary structure  CATH domain

 Enzyme reactions 
   Enzyme class 1: E.C.3.4.16.4  - serine-type D-Ala-D-Ala carboxypeptidase.
[IntEnz]   [ExPASy]   [KEGG]   [BRENDA]
      Reaction: D-alanyl-D-alanine + H2O = 2 D-alanine

+
= 2 ×
   Enzyme class 2: E.C.3.5.2.6  - beta-lactamase.
[IntEnz]   [ExPASy]   [KEGG]   [BRENDA]

      Pathway:
      Reaction: a beta-lactam + H2O = a substituted beta-amino acid
      Cofactor: Zn(2+)
Note, where more than one E.C. class is given (as above), each may correspond to a different protein domain or, in the case of polyprotein precursors, to a different mature protein.
Molecule diagrams generated from .mol files obtained from the KEGG ftp site

 

 
    Added reference    
 
 
Biochemistry 49:8094-8104 (2010)
PubMed id: 20726582  
 
 
Crystal structures of covalent complexes of β-lactam antibiotics with Escherichia coli penicillin-binding protein 5: toward an understanding of antibiotic specificity.
G.Nicola, J.Tomberg, R.F.Pratt, R.A.Nicholas, C.Davies.
 
  ABSTRACT  
 
No abstract given.

 

 

spacer

spacer