› 1x6v

X-ray diffraction
1.75Å resolution

The crystal structure of human 3'-phosphoadenosine-5'-phosphosulfate synthetase 1

Released:
DOI: 10.2210/pdb1x6v/pdb
PDB entry 1x6v coloured by chain, front view.
PDB entry 1x6v coloured by chain, side view.
PDB entry 1x6v coloured by chain, top view.
Source organism: Homo sapiens
Primary publication:
The crystal structure of human PAPS synthetase 1 reveals asymmetry in substrate binding.
Harjes S, Bayer P, Scheidig AJ
J Mol Biol 347 623-35 (2005)
PMID: 15755455

Function and Biology Details

Reactions catalysed: 
ATP + adenylyl sulfate = ADP + 3'-phosphoadenylyl sulfate
ATP + sulfate = diphosphate + adenylyl sulfate
Biochemical function:
Biological process:
Cellular component:
Sequence domains:
Structure domains:

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-128876 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Bifunctional 3'-phosphoadenosine 5'-phosphosulfate synthase 1 Chains: A, B
Molecule details ›
Chains: A, B
Length: 630 amino acids
Theoretical weight: 71.7 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21
UniProt:
  • Canonical: O43252 (Residues: 1-624; Coverage: 100%)
Gene names: ATPSK1, PAPSS, PAPSS1
Sequence domains:
Structure domains:

Ligands and Environments

2 bound ligands:
Ligand CL 2 x CL
Ligand ADP 1 x ADP
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID14-1
Spacegroup: P21
Unit cell:
a: 78.21Å b: 82.55Å c: 133.6Å
α: 90° β: 105.1° γ: 90°
R-values:
R R work R free
0.168 0.166 0.198
Expression system: Escherichia coli BL21

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Citations

6 review citations

Sulfation pathways from red to green.
Günal et al. (2019)
5 more

4 mentions without citation

An Activity-Guided Map of Electrophile-Cysteine Interactions in Primary Human T Cells.
Vinogradova et al. (2020)
3 more