6wsl

Electron Microscopy
3.1Å resolution

Cryo-EM structure of VASH1-SVBP bound to microtubules

Released:
Source organism: Homo sapiens
Primary publication:
Cryo-EM structure of VASH1-SVBP bound to microtubules.
Elife 9 (2020)
PMID: 32773040
Related structures: EMD-21893

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:
Biological process:
Cellular component:

Structure analysis Details

Assembly composition:
hetero octamer (preferred)
PDBe Complex ID:
PDB-CPX-171730 (preferred)
Entry contents:
4 distinct polypeptide molecules
Macromolecules (4 distinct):
Tubulin alpha-1A chain Chains: A, E
Molecule details ›
Chains: A, E
Length: 451 amino acids
Theoretical weight: 50.19 KDa
Source organism: Homo sapiens
Expression system: Trichoplusia ni
UniProt:
  • Canonical: Q71U36 (Residues: 1-451; Coverage: 100%)
Gene names: TUBA1A, TUBA3
Sequence domains:
Tubulin beta-3 chain Chains: B, F
Molecule details ›
Chains: B, F
Length: 450 amino acids
Theoretical weight: 50.48 KDa
Source organism: Homo sapiens
Expression system: Trichoplusia ni
UniProt:
  • Canonical: Q13509 (Residues: 1-450; Coverage: 100%)
Gene names: TUBB3, TUBB4
Sequence domains:
Tubulinyl-Tyr carboxypeptidase 1 Chains: C, G
Molecule details ›
Chains: C, G
Length: 259 amino acids
Theoretical weight: 29.78 KDa
Source organism: Homo sapiens
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: Q7L8A9 (Residues: 52-310; Coverage: 71%)
Gene names: KIAA1036, VASH, VASH1
Sequence domains: Vasohibin
Small vasohibin-binding protein Chains: D, H
Molecule details ›
Chains: D, H
Length: 66 amino acids
Theoretical weight: 7.82 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:
No modified residues

Experiments and Validation Details

Entry percentile scores
Resolution: 3.1Å
Relevant EMDB volumes: EMD-21893
Expression systems:
  • Trichoplusia ni
  • Escherichia coli BL21(DE3)