2q3z

X-ray diffraction
2Å resolution

Transglutaminase 2 undergoes large conformational change upon activation

Released:
Source organism: Homo sapiens

Function and Biology Details

Reactions catalysed:
A protein-L-glutamine + a protein-L-lysine = a protein with an N(6)-(gamma-glutamyl)-L-lysine cross-link + NH(3)
Protein L-glutamine + H(2)O = protein L-glutamate + NH(3)
Cellular component:

Structure analysis Details

Assemblies composition:
hetero dimer (preferred)
hetero tetramer
PDBe Complex ID:
PDB-CPX-149489 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Protein-glutamine gamma-glutamyltransferase 2 Chain: A
Molecule details ›
Chain: A
Length: 687 amino acids
Theoretical weight: 77.34 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli
UniProt:
  • Canonical: P21980 (Residues: 1-687; Coverage: 100%)
Gene name: TGM2
Sequence domains:
Structure domains:
Polypeptide Chain: X
Molecule details ›
Chain: X
Length: 7 amino acids
Theoretical weight: 624 Da
Source organism: Homo sapiens
Expression system: Not provided

Ligands and Environments

1 bound ligand:
1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRL BEAMLINE BL11-1
Spacegroup: P41212
Unit cell:
a: 71.671Å b: 71.671Å c: 309.01Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.231 0.228 0.266
Expression systems:
  • Escherichia coli
  • Not provided