2pop

X-ray diffraction
3.1Å resolution

The Crystal Structure of TAB1 and BIR1 complex

Released:

Function and Biology Details

Reaction catalysed:
S-ubiquitinyl-[E2 ubiquitin-conjugating enzyme]-L-cysteine + [acceptor protein]-L-lysine = [E2 ubiquitin-conjugating enzyme]-L-cysteine + N(6)-ubiquitinyl-[acceptor protein]-L-lysine
Biological process:
Cellular component:
  • not assigned

Structure analysis Details

Assembly composition:
hetero tetramer (preferred)
PDBe Complex ID:
PDB-CPX-161374 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
TGF-beta-activated kinase 1 and MAP3K7-binding protein 1 Chains: A, C
Molecule details ›
Chains: A, C
Length: 353 amino acids
Theoretical weight: 38.62 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli K-12
UniProt:
  • Canonical: Q15750 (Residues: 1-370; Coverage: 70%)
Gene names: MAP3K7IP1, TAB1
Sequence domains: Protein phosphatase 2C
Structure domains: PPM-type phosphatase domain
E3 ubiquitin-protein ligase XIAP Chains: B, D
Molecule details ›
Chains: B, D
Length: 95 amino acids
Theoretical weight: 10.61 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli K-12
UniProt:
  • Canonical: P98170 (Residues: 10-100; Coverage: 18%)
Gene names: API3, BIRC4, IAP3, XIAP
Sequence domains: Inhibitor of Apoptosis domain
Structure domains: Inhibitor Of Apoptosis Protein (2mihbC-IAP-1); Chain A

Ligands and Environments

1 bound ligand:
No modified residues

Experiments and Validation Details

Entry percentile scores
X-ray source: NSLS BEAMLINE X4C
Spacegroup: P212121
Unit cell:
a: 60.986Å b: 108.712Å c: 175.698Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.209 0.209 0.254
Expression system: Escherichia coli K-12