8ou0

Electron Microscopy
3.5Å resolution

bovine sperm endpiece singlet microtubules (one tubulin dimer and associated microtubule inner proteins)

Released:

Function and Biology Details

Biochemical function:
Biological process:
Cellular component:

Structure analysis Details

Assembly composition:
hetero tetramer (preferred)
PDBe Complex ID:
PDB-CPX-220341 (preferred)
Entry contents:
4 distinct polypeptide molecules
Macromolecules (4 distinct):
Tubulin beta-4B chain Chain: B
Molecule details ›
Chain: B
Length: 445 amino acids
Theoretical weight: 49.88 KDa
Source organism: Bos taurus
UniProt:
  • Canonical: Q3MHM5 (Residues: 1-445; Coverage: 100%)
Gene names: TUBB2C, TUBB4B
Sequence domains:
Stabilizer of axonemal microtubules 1 Chain: D
Molecule details ›
Chain: D
Length: 477 amino acids
Theoretical weight: 54.67 KDa
Source organism: Bos taurus
UniProt:
  • Canonical: A0A3S5ZPV0 (Residues: 1-477; Coverage: 100%)
Gene name: SAXO1
Sequence domains: Stabilizer of axonemal microtubules 1/2
Sperm acrosome associated 9 Chain: C
Molecule details ›
Chain: C
Length: 224 amino acids
Theoretical weight: 25.17 KDa
Source organism: Bos taurus
UniProt:
  • Canonical: A0A3Q1MYU9 (Residues: 1-166; Coverage: 98%)
Gene name: SPACA9
Sequence domains: Sperm acrosome-associated protein 9
Tubulin alpha-3 chain Chain: A
Molecule details ›
Chain: A
Length: 450 amino acids
Theoretical weight: 49.98 KDa
Source organism: Bos taurus
UniProt:
  • Canonical: Q32KN8 (Residues: 1-450; Coverage: 100%)
Gene name: TUBA3
Sequence domains:

Ligands and Environments

3 bound ligands:
No modified residues

Experiments and Validation Details

Entry percentile scores
Resolution: 3.5Å
Relevant EMDB volumes: EMD-17188