PDBe 1hkb

X-ray diffraction
2.8Å resolution

CRYSTAL STRUCTURE OF RECOMBINANT HUMAN BRAIN HEXOKINASE TYPE I COMPLEXED WITH GLUCOSE AND GLUCOSE-6-PHOSPHATE

Released:

Function and Biology Details

Reaction catalysed:
ATP + D-hexose = ADP + D-hexose 6-phosphate. 
Biochemical function:
Biological process:
Cellular component:

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Hexokinase-1 Chains: A, B
Molecule details ›
Chains: A, B
Length: 917 amino acids
Theoretical weight: 102.63 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P19367 (Residues: 1-917; Coverage: 100%)
Gene name: HK1
Sequence domains:
Structure domains:

Ligands and Environments

3 bound ligands:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRL BEAMLINE BL7-1
Spacegroup: P21
Unit cell:
a: 83Å b: 122Å c: 123Å
α: 90° β: 92° γ: 90°
R-values:
R R work R free
0.2 0.2 0.27
Expression system: Escherichia coli BL21(DE3)