› 3ac4

X-ray diffraction
2.7Å resolution

Crystal structure of triazolo pyrimidine derivative bound to the kinase domain of human LCK, (auto-phosphorylated on TYR394)

Released:
DOI: 10.2210/pdb3ac4/pdb
PDB entry 3ac4 coloured by chain, front view.
PDB entry 3ac4 coloured by chain, side view.
PDB entry 3ac4 coloured by chain, top view.
Source organism: Homo sapiens
Entry author: Tsuji E

Function and Biology Details

Reaction catalysed: 
ATP + a [protein]-L-tyrosine = ADP + a [protein]-L-tyrosine phosphate
Biochemical function:
Biological process:
Cellular component:
  • not assigned
Sequence domains:

Structure analysis Details

Assembly composition:
monomeric (preferred)
Assembly name:
PDBe Complex ID:
PDB-CPX-138948 (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Tyrosine-protein kinase Lck Chain: A
Molecule details ›
Chain: A
Length: 285 amino acids
Theoretical weight: 33.07 KDa
Source organism: Homo sapiens
Expression system: Spodoptera frugiperda
UniProt:
  • Canonical: P06239 (Residues: 225-509; Coverage: 56%)
Gene name: LCK
Sequence domains: Protein tyrosine and serine/threonine kinase
Structure domains:

Ligands and Environments

3 bound ligands:
Ligand SO4 2 x SO4
Ligand DMS 1 x DMS
Ligand KZL 1 x KZL
1 modified residue:
Ligand PTR 1 x PTR

Experiments and Validation Details

Entry percentile scores
X-ray source: SPRING-8 BEAMLINE BL32B2
Spacegroup: P212121
Unit cell:
a: 42.267Å b: 73.64Å c: 93.098Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.211 0.203 0.283
Expression system: Spodoptera frugiperda

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