7udc

Electron Microscopy
3.7Å resolution

cryo-EM structures of a synaptobrevin-Munc18-1-syntaxin-1 complex class1

Released:
Source organism: Rattus norvegicus
Related structures: EMD-26456

Function and Biology Details

Structure analysis Details

Assembly composition:
hetero trimer (preferred)
PDBe Complex ID:
PDB-CPX-152478 (preferred)
Entry contents:
3 distinct polypeptide molecules
Macromolecules (3 distinct):
Syntaxin-binding protein 1 Chain: A
Molecule details ›
Chain: A
Length: 607 amino acids
Theoretical weight: 68.71 KDa
Source organism: Rattus norvegicus
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P61765 (Residues: 1-594; Coverage: 100%)
Gene names: Stxbp1, Unc18a
Sequence domains: Sec1 family
Syntaxin-1A Chain: B
Molecule details ›
Chain: B
Length: 254 amino acids
Theoretical weight: 29.22 KDa
Source organism: Rattus norvegicus
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P32851 (Residues: 2-253; Coverage: 88%)
Gene names: Sap, Stx1a
Sequence domains:
Vesicle-associated membrane protein 2 Chain: C
Molecule details ›
Chain: C
Length: 59 amino acids
Theoretical weight: 6.65 KDa
Source organism: Rattus norvegicus
Expression system: Escherichia coli BL21(DE3)
UniProt:
  • Canonical: P63027 (Residues: 29-83; Coverage: 47%)
Gene names: SYB2, VAMP2
Sequence domains: Synaptobrevin

Ligands and Environments

No bound ligands
No modified residues

Experiments and Validation Details

Entry percentile scores
Resolution: 3.7Å
Relevant EMDB volumes: EMD-26456
Expression system: Escherichia coli BL21(DE3)