PDBe 3k54

X-ray diffraction
1.94Å resolution

Structures of human Bruton's tyrosine kinase in active and inactive conformations suggests a mechanism of activation for TEC family kinases.

Released:

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

Structure analysis Details

Assembly composition:
monomeric (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Tyrosine-protein kinase BTK Chain: A
Molecule details ›
Chain: A
Length: 283 amino acids
Theoretical weight: 32.65 KDa
Source organism: Homo sapiens
Expression system: Spodoptera frugiperda
UniProt:
  • Canonical: Q06187 (Residues: 382-659; Coverage: 42%)
Gene names: AGMX1, ATK, BPK, BTK
Sequence domains: Protein tyrosine kinase
Structure domains:

Ligands and Environments

1 bound ligand:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: APS BEAMLINE 31-ID
Spacegroup: P21212
Unit cell:
a: 73.438Å b: 104.622Å c: 38.107Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.202 0.199 0.258
Expression system: Spodoptera frugiperda