PDBe 1btk

X-ray diffraction
1.6Å resolution

PH DOMAIN AND BTK MOTIF FROM BRUTON'S TYROSINE KINASE MUTANT R28C

Released:

Function and Biology Details

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

Structure analysis Details

Assembly composition:
homo dimer (preferred)
Entry contents:
1 distinct polypeptide molecule
Macromolecule:
Tyrosine-protein kinase BTK Chains: A, B
Molecule details ›
Chains: A, B
Length: 169 amino acids
Theoretical weight: 19.93 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: NEW Q06187 (Residues: 2-170; Coverage: 26%)
Gene names: AGMX1, ATK, BPK, BTK
Sequence domains:
Structure domains: Pleckstrin-homology domain (PH domain)/Phosphotyrosine-binding domain (PTB)

Ligands and Environments

2 bound ligands:

No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: EMBL/DESY, HAMBURG BEAMLINE BW7B
Spacegroup: P21
Unit cell:
a: 49.15Å b: 59.87Å c: 55.94Å
α: 90° β: 98.21° γ: 90°
R-values:
R R work R free
0.231 0.231 0.282
Expression system: Escherichia coli BL21(DE3)