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5UBQ

Cryo-EM structure of ciliary microtubule doublet

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, C, E
(C, E, A)
Tubulin alpha chainpolymer44148788.33UniProt (P41351)
Pfam (PF00091)
Pfam (PF03953)
Tetrahymena thermophilaAlpha-tubulin
2B, D, F
(D, F, B)
Tubulin beta chainpolymer42948009.23UniProt (P41352)
Pfam (PF00091)
Pfam (PF03953)
Tetrahymena thermophilaBeta-tubulin
3G, J, M
(C, E, A)
GUANOSINE-5'-TRIPHOSPHATEnon-polymer523.23Chemie (GTP)
4H, K, N
(C, E, A)
MAGNESIUM IONnon-polymer24.33Chemie (MG)
5I, L, O
(D, F, B)
GUANOSINE-5'-DIPHOSPHATEnon-polymer443.23Chemie (GDP)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains6
Total formula weight290392.4
Non-Polymers*Number of molecules9
Total formula weight2972.1
All*Total formula weight293364.4
*Water molecules are not included.

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PDB entries from 2025-08-27

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