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Tubulin dimers from a 13-protofilament, Taxol stabilized microtubule

Electron Microscopy
2.9Å resolution
PDB 6wvr coloured by chain and viewed from the front.
PDB 6wvr coloured by chain and viewed from the side.
PDB 6wvr coloured by chain and viewed from the top.
Source organism: Bos taurus
Assembly composition:
hetero tetramer (preferred)
Entry contents: 2 distinct polypeptide molecules

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Assemblies

Assembly 1 (preferred)
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Multimeric state: hetero tetramer
Accessible surface area: 57200 Å2
Buried surface area: 16900 Å2
Dissociation area: 1,400 Å2
Dissociation energy (ΔGdiss): 1 kcal/mol
Dissociation entropy (TΔSdiss): 16 kcal/mol
Interface energy (ΔGint): -111 kcal/mol
Symmetry number: 1

Macromolecules

Tubulin alpha-1B chain
Chains: A, C
Length: 451 amino acids
Theoretical weight: 50.2 KDa
Source organism: Bos taurus
UniProt:
  • Canonical: P81947 (Residues: 1-451; Coverage: 100%)
Pfam:
PDB 6wvr contains 2 copies of Tubulin alpha-1B chain in assembly 1. This protein is highlighted and viewed from the front.
PDB 6wvr contains 2 copies of Tubulin alpha-1B chain in assembly 1. This protein is highlighted and viewed from the side.
PDB 6wvr contains 2 copies of Tubulin alpha-1B chain in assembly 1. This protein is highlighted and viewed from the top.
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Tubulin beta-2B chain
Chains: B, D
Length: 445 amino acids
Theoretical weight: 49.95 KDa
Source organism: Bos taurus
UniProt:
  • Canonical: Q6B856 (Residues: 1-445; Coverage: 100%)
Gene name: TUBB2B
Pfam:
PDB 6wvr contains 2 copies of Tubulin beta-2B chain in assembly 1. This protein is highlighted and viewed from the front.
PDB 6wvr contains 2 copies of Tubulin beta-2B chain in assembly 1. This protein is highlighted and viewed from the side.
PDB 6wvr contains 2 copies of Tubulin beta-2B chain in assembly 1. This protein is highlighted and viewed from the top.
Molecule details ›

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