› 1alh

X-ray diffraction
2.5Å resolution

KINETICS AND CRYSTAL STRUCTURE OF A MUTANT E. COLI ALKALINE PHOSPHATASE (ASP-369-->ASN): A MECHANISM INVOLVING ONE ZINC PER ACTIVE SITE

Released:
DOI: 10.2210/pdb1alh/pdb
PDB entry 1alh coloured by chain, front view.
PDB entry 1alh coloured by chain, side view.
PDB entry 1alh coloured by chain, top view.
Source organism: Escherichia coli
Primary publication:
Kinetics and crystal structure of a mutant Escherichia coli alkaline phosphatase (Asp-369-->Asn): a mechanism involving one zinc per active site.
Tibbitts TT, Xu X, Kantrowitz ER
Protein Sci 3 2005-14 (1994)
PMID: 7703848

Function and Biology Details

Reaction catalysed: 
A phosphate monoester + H(2)O = an alcohol + phosphate
Biochemical function:
Biological process:
Cellular component:
Sequence domains:
Structure domain:

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-132772 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Alkaline phosphatase Chains: A, B
Molecule details ›
Chains: A, B
Length: 446 amino acids
Theoretical weight: 46.77 KDa
Source organism: Escherichia coli
Expression system: Escherichia coli
UniProt:
  • Canonical: P00634 (Residues: 26-471; Coverage: 99%)
Gene names: JW0374, b0383, phoA
Sequence domains: Alkaline phosphatase
Structure domains: Alkaline Phosphatase, subunit A

Ligands and Environments

3 bound ligands:
Ligand ZN 2 x ZN
Ligand PO4 2 x PO4
Ligand SO4 2 x SO4
No modified residues

Experiments and Validation Details

Entry percentile scores
Spacegroup: I222
Unit cell:
a: 194.392Å b: 167.251Å c: 76.32Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.189 0.189 not available
Expression system: Escherichia coli

Quick links

Citations

15 citation in other articles

A revised mechanism for the alkaline phosphatase reaction involving three metal ions.
Stec et al. (2000)
14 more