1jbq

X-ray diffraction
2.6Å resolution

STRUCTURE OF HUMAN CYSTATHIONINE BETA-SYNTHASE: A UNIQUE PYRIDOXAL 5'-PHOSPHATE DEPENDENT HEMEPROTEIN

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
homo dimer (preferred)
PDBe Complex ID:
PDB-CPX-152934 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Cystathionine beta-synthase Chains: A, B, C, D, E, F
Molecule details ›
Chains: A, B, C, D, E, F
Length: 435 amino acids
Theoretical weight: 47.52 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P35520 (Residues: 1-413; Coverage: 75%)
Gene name: CBS
Sequence domains: Pyridoxal-phosphate dependent enzyme
Structure domains: Rossmann fold

Ligands and Environments


Cofactor: Ligand HEM 6 x HEM

Cofactor: Ligand PLP 6 x PLP
No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE BM1A, EMBL/DESY, HAMBURG BEAMLINE BW7A
Spacegroup: P31
Unit cell:
a: 144.52Å b: 144.52Å c: 108.16Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.257 0.257 0.296
Expression system: Escherichia coli