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8V2J

Structure of alpha1B and betaI/IVb microtubule bound to GDP

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, B
(B, E)
Tubulin beta chainpolymer44449717.62UniProt (P07437)
Pfam (PF00091)
Pfam (PF03953)
Homo sapiens (human)Tubulin beta-5 chain
2C, D
(A, D)
Tubulin alpha-1B chainpolymer45150204.42UniProt (P68363)
Pfam (PF00091)
Pfam (PF03953)
Homo sapiens (human)Alpha-tubulin ubiquitous,Tubulin K-alpha-1,Tubulin alpha-ubiquitous chain
3E, F
(B, E)
GUANOSINE-5'-DIPHOSPHATEnon-polymer443.22Chemie (GDP)
PubChem (136073927)
PubChem (135398619)
PubChem (135402030)
PubChem (135431654)
PubChem (135566337)
PubChem (135760556)
PubChem (136026707)
PubChem (136053418)
PubChem (136663964)
PubChem (136664748)
PubChem (136759848)
PubChem (136759849)
PubChem (136759850)
PubChem (136836636)
PubChem (136847074)
PubChem (172898537)
4G, I
(A, D)
GUANOSINE-5'-TRIPHOSPHATEnon-polymer523.22Chemie (GTP)
PubChem (177679032)
PubChem (135400627)
PubChem (135487750)
PubChem (136088935)
PubChem (136803486)
PubChem (135398633)
PubChem (135544356)
PubChem (135547949)
PubChem (135600366)
PubChem (135749822)
PubChem (136005188)
PubChem (136073923)
PubChem (136240914)
PubChem (136664747)
PubChem (136772743)
PubChem (136772744)
PubChem (136803487)
PubChem (137286749)
PubChem (164715984)
PubChem (171699466)
5H, J
(A, D)
MAGNESIUM IONnon-polymer24.32Chemie (MG)
PubChem (888)
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains4
Total formula weight199844.1
Non-Polymers*Number of molecules6
Total formula weight1981.4
All*Total formula weight201825.5
*Water molecules are not included.

251801

PDB entries from 2026-04-08

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