› 1ibu

X-ray diffraction
3.1Å resolution

STRUCTURE OF THE D53,54N MUTANT OF HISTIDINE DECARBOXYLASE AT 25 C

Released:
DOI: 10.2210/pdb1ibu/pdb
PDB entry 1ibu coloured by chain, front view.
PDB entry 1ibu coloured by chain, side view.
PDB entry 1ibu coloured by chain, top view.
Source organism: Lactobacillus sp. 30A
Primary publication:
Structure and cooperativity of a T-state mutant of histidine decarboxylase from Lactobacillus 30a.
Worley S, Schelp E, Monzingo AF, Ernst S, Robertus JD
Proteins 46 321-9 (2002)
PMID: 11835507

Function and Biology Details

Reaction catalysed: 
L-histidine = histamine + CO(2)
Biochemical function:
Biological process:
Cellular component:
  • not assigned
Sequence domains:
Structure domain:

Structure analysis Details

Assemblies composition:
hetero dodecamer
hetero hexamer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-133645 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Histidine decarboxylase beta chain Chains: A, C, E
Molecule details ›
Chains: A, C, E
Length: 81 amino acids
Theoretical weight: 8.85 KDa
Source organism: Lactobacillus sp. 30A
Expression system: Escherichia coli
UniProt:
  • Canonical: P00862 (Residues: 2-82; Coverage: 26%)
Gene name: hdcA
Structure domains: Pyruvoyl-Dependent Histidine Decarboxylas, subunit A
Histidine decarboxylase alpha chain Chains: B, D, F
Molecule details ›
Chains: B, D, F
Length: 229 amino acids
Theoretical weight: 25.29 KDa
Source organism: Lactobacillus sp. 30A
Expression system: Escherichia coli
UniProt:
  • Canonical: P00862 (Residues: 84-311; Coverage: 73%)
Gene name: hdcA
Sequence domains: Histidine carboxylase PI chain
Structure domains: Pyruvoyl-Dependent Histidine Decarboxylase, subunit B

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: RIGAKU RU200
Spacegroup: C2221
Unit cell:
a: 98.283Å b: 119.037Å c: 203.802Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.273 0.27 0.33
Expression system: Escherichia coli

Quick links

Citations

3 citation in other articles

Pyruvoyl-dependent arginine decarboxylase from Methanococcus jannaschii: crystal structures of the self-cleaved and S53A proenzyme forms.
Tolbert et al. (2003)
2 more