4d8k

X-ray diffraction
2.36Å resolution

Crystal structure of a SH3-SH2 domains of a lymphocyte-specific protein tyrosine kinase (LCK) from Homo sapiens at 2.36 A resolution

Released:
Source organism: Homo sapiens
Entry authors: Joint Center for Structural Genomics (JCSG), Partnership for T-Cell Biology (TCELL)

Function and Biology Details

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

Structure analysis Details

Assembly composition:
monomeric (preferred)
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: 175 amino acids
Theoretical weight: 19.59 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P06239 (Residues: 53-226; Coverage: 34%)
Gene name: LCK
Sequence domains:
Structure domains:

Ligands and Environments

2 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: ALS BEAMLINE 8.2.2
Spacegroup: P3121
Unit cell:
a: 68.899Å b: 68.899Å c: 80.283Å
α: 90° β: 90° γ: 120°
R-values:
R R work R free
0.194 0.191 0.251
Expression system: Escherichia coli