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8OU0

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

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(B)
Tubulin beta-4B chainpolymer44549877.81UniProt (Q3MHM5)
Pfam (PF00091)
Pfam (PF03953)
Bos taurus (cattle)Tubulin beta-2C chain
2B
(D)
Stabilizer of axonemal microtubules 1polymer47754672.11UniProt (A0A3S5ZPV0)
Pfam (PF05217)
Bos taurus (cattle)
3C
(C)
Sperm acrosome associated 9polymer22425174.81UniProt (A0A3Q1MYU9)
Pfam (PF15120)
Bos taurus (cattle)
4D
(A)
Tubulin alpha-3 chainpolymer45049978.31UniProt (Q32KN8)
Pfam (PF00091)
Pfam (PF03953)
Bos taurus (cattle)Alpha-tubulin 3
5E
(B)
GUANOSINE-5'-DIPHOSPHATEnon-polymer443.21Chemie (GDP)
6F
(A)
GUANOSINE-5'-TRIPHOSPHATEnon-polymer523.21Chemie (GTP)
7G
(A)
MAGNESIUM IONnon-polymer24.31Chemie (MG)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains4
Total formula weight179703.0
Non-Polymers*Number of molecules3
Total formula weight990.7
All*Total formula weight180693.7
*Water molecules are not included.

246905

PDB entries from 2025-12-31

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