2ofw

X-ray diffraction
2.05Å resolution

Crystal structure of the APSK domain of human PAPSS1 complexed with 2 APS molecules

Released:

Function and Biology Details

Reactions catalysed:
ATP + adenylyl sulfate = ADP + 3'-phosphoadenylyl sulfate
ATP + sulfate = diphosphate + adenylyl sulfate
Biochemical function:
Biological process:
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
homo dimer (preferred)
PDBe Complex ID:
PDB-CPX-128876 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Bifunctional 3'-phosphoadenosine 5'-phosphosulfate synthase 1 Chains: A, B, C, D, E, F, G, H
Molecule details ›
Chains: A, B, C, D, E, F, G, H
Length: 208 amino acids
Theoretical weight: 23.1 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: O43252 (Residues: 23-227; Coverage: 33%)
Gene names: ATPSK1, PAPSS, PAPSS1
Sequence domains: Adenylylsulphate kinase
Structure domains: P-loop containing nucleotide triphosphate hydrolases

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 22-BM
Spacegroup: C2
Unit cell:
a: 181.19Å b: 69.03Å c: 150.61Å
α: 90° β: 116.61° γ: 90°
R-values:
R R work R free
0.223 0.217 0.282
Expression system: Escherichia coli