PDBe 1q99

X-ray diffraction
2.11Å resolution

Crystal structure of the Saccharomyces cerevisiae SR protein kinsae, Sky1p, complexed with the non-hydrolyzable ATP analogue, AMP-PNP


Function and Biology Details

Reaction catalysed:
ATP + a protein = ADP + a phosphoprotein. 
Biochemical function:
Biological process:
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Serine/threonine-protein kinase SKY1 Chains: A, B
Molecule details ›
Chains: A, B
Length: 373 amino acids
Theoretical weight: 43.03 KDa
Source organism: Saccharomyces cerevisiae
Expression system: Escherichia coli
  • Canonical: Q03656 (Residues: 138-742; Coverage: 50%)
Gene names: SKY1, YM8261.10C, YMR216C
Structure domains:

Ligands and Environments

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 19-ID
Spacegroup: P212121
Unit cell:
a: 72.413Å b: 88.947Å c: 134.822Å
α: 90° β: 90° γ: 90°
R R work R free
0.22 0.22 0.26
Expression system: Escherichia coli