2odt

X-ray diffraction
2.01Å resolution

Structure of human Inositol 1,3,4-trisphosphate 5/6-kinase

Released:
Source organism: Homo sapiens
Entry authors: Busam RD, Arrowsmith C, Berglund H, Collins R, Edwards A, Ericsson UB, Flodin S, Flores A, Hammarstrom M, Holmberg SL, Johansson I, Karlberg T, Kotenyova T, Moche M, Nilsson ME, Nordlund P, Nyman T, Ogg D, Sagemark J, Sundstrom M, Uppenberg J, Van Den Berg S, Weigelt J, Persson C, Thorsell AG, Hallberg BM, Structural Genomics Consortium (SGC)

Function and Biology Details

Reactions catalysed:
ATP + 1D-myo-inositol 3,4,5,6-tetrakisphosphate = ADP + 1D-myo-inositol 1,3,4,5,6-pentakisphosphate
ATP + 1D-myo-inositol 1,3,4-trisphosphate = ADP + 1D-myo-inositol 1,3,4,5-tetrakisphosphate
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
monomeric (preferred)
PDBe Complex ID:
PDB-CPX-171765 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Inositol-tetrakisphosphate 1-kinase Chain: X
Molecule details ›
Chain: X
Length: 328 amino acids
Theoretical weight: 37.42 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: Q13572 (Residues: 1-327; Coverage: 79%)
Gene name: ITPK1
Sequence domains:
Structure domains:

Ligands and Environments

No bound ligands
1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: ESRF BEAMLINE ID14-1
Spacegroup: P21
Unit cell:
a: 61.33Å b: 39.55Å c: 67.39Å
α: 90° β: 98.4° γ: 90°
R-values:
R R work R free
0.181 0.177 0.257
Expression system: Escherichia coli