PDBe 1qrr

X-ray diffraction
1.6Å resolution

CRYSTAL STRUCTURE OF SQD1 PROTEIN COMPLEX WITH NAD AND UDP-GLUCOSE

Released:

Function and Biology Details

Reaction catalysed:
UDP-alpha-D-sulfoquinovose + H(2)O = UDP-alpha-D-glucose + sulfite. 
Biochemical function:
Biological process:
  • not assigned
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
UDP-sulfoquinovose synthase, chloroplastic Chain: A
Molecule details ›
Chain: A
Length: 394 amino acids
Theoretical weight: 44.36 KDa
Source organism: Arabidopsis thaliana
Expression system: Escherichia coli
UniProt:
  • Canonical: O48917 (Residues: 85-477; Coverage: 82%)
Gene names: At4g33030, F26P21.150, SQD1
Sequence domains:
Structure domains:

Ligands and Environments

3 bound ligands:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: SIEMENS
Spacegroup: I4122
Unit cell:
a: 159.61Å b: 159.61Å c: 98.89Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.179 0.17 0.191
Expression system: Escherichia coli