6j4o

X-ray diffraction
2.3Å resolution

Structural basis of tubulin detyrosination by vasohibins-SVBP enzyme complex and functional implications

Released:

Function and Biology Details

Reaction catalysed:
Cleavage of the -Glu-|-Tyr bond to release the C-terminal tyrosine residue from the native tyrosinated tubulin. Inactive on Z-Glu-Tyr.
Biochemical function:
Cellular component:

Structure analysis Details

Assembly composition:
hetero dimer (preferred)
PDBe Complex ID:
PDB-CPX-183206 (preferred)
Entry contents:
2 distinct polypeptide molecules
Macromolecules (2 distinct):
Tubulinyl-Tyr carboxypeptidase 2 Chain: A
Molecule details ›
Chain: A
Length: 251 amino acids
Theoretical weight: 29.93 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q86V25 (Residues: 46-296; Coverage: 71%)
Gene names: VASH2, VASHL
Sequence domains: Vasohibin
Small vasohibin-binding protein Chain: B
Molecule details ›
Chain: B
Length: 66 amino acids
Theoretical weight: 7.96 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q8N300 (Residues: 1-66; Coverage: 100%)
Gene names: CCDC23, SVBP
Sequence domains: Coiled-coil domain-containing protein 23

Ligands and Environments

2 bound ligands:
1 modified residue:

Experiments and Validation Details

Entry percentile scores
X-ray source: SSRF BEAMLINE BL18U1
Spacegroup: F222
Unit cell:
a: 83.14Å b: 123.248Å c: 195.171Å
α: 90° β: 90° γ: 90°
R-values:
R R work R free
0.187 0.184 0.224
Expression system: Escherichia coli BL21(DE3)