X-ray diffraction
1.7Å resolution

Crystal Structure of Human Riboflavin Kinase


Function and Biology Details

Reaction catalysed:
ATP + riboflavin = ADP + FMN
Biochemical function:
Biological process:
Cellular component:

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Riboflavin kinase Chain: A
Molecule details ›
Chain: A
Length: 147 amino acids
Theoretical weight: 16.77 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21
  • Canonical: Q969G6 (Residues: 2-148; Coverage: 95%)
Gene name: RFK
Sequence domains: Riboflavin kinase
Structure domains: Riboflavin kinase-like

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 19-BM
Spacegroup: P3121
Unit cell:
a: 57.096Å b: 57.096Å c: 82.505Å
α: 90° β: 90° γ: 120°
R R work R free
0.186 0.184 0.221
Expression system: Escherichia coli BL21