7ntr

X-ray diffraction
2.23Å resolution

CRYSTAL STRUCTURE OF HUMAN CYTOSOLIC BRANCHED-CHAIN AMINOTRANSFERASE (BCAT1) IN COMPLEX WITH PLP AND SUBSTRATE MIMIC 3-PHENYLPROPIONATE

Released:

Function and Biology Details

Structure analysis Details

Assembly composition:
homo dimer (preferred)
PDBe Complex ID:
PDB-CPX-157075 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Branched-chain-amino-acid aminotransferase, cytosolic Chains: A, B
Molecule details ›
Chains: A, B
Length: 389 amino acids
Theoretical weight: 43.29 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P54687 (Residues: 1-386; Coverage: 100%)
Gene names: BCAT1, BCT1, ECA39
Sequence domains: Amino-transferase class IV

Ligands and Environments


Cofactor: Ligand PLP 2 x PLP
2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID29
Spacegroup: P212121
Unit cell:
a: 66.844Å b: 103.795Å c: 110.158Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.174 0.17 0.241
Expression system: Escherichia coli