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8SH7

TUBB4B and TUBA1A Heterodimer from Human Respiratory Doublet Microtubules

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(A)
Tubulin alpha-1A chainpolymer45150188.41UniProt (Q71U36)
Pfam (PF00091)
Pfam (PF03953)
Homo sapiens (human)Alpha-tubulin 3,Tubulin B-alpha-1,Tubulin alpha-3 chain
2B
(B)
Tubulin beta-4B chainpolymer44549877.81UniProt (P68371)
Pfam (PF00091)
Pfam (PF03953)
Homo sapiens (human)Tubulin beta-2 chain,Tubulin beta-2C chain
3C
(A)
GUANOSINE-5'-TRIPHOSPHATEnon-polymer523.21Chemie (GTP)
4D
(B)
MAGNESIUM IONnon-polymer24.31Chemie (MG)
5E
(B)
GUANOSINE-5'-DIPHOSPHATEnon-polymer443.21Chemie (GDP)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains2
Total formula weight100066.3
Non-Polymers*Number of molecules3
Total formula weight990.7
All*Total formula weight101057.0
*Water molecules are not included.

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PDB entries from 2025-07-30

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