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9WD9

GMPCPP-stabilized human alpha1A/beta3 S239C microtubule

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A
(a)
Tubulin alpha-1A chainpolymer45150188.41UniProt (Q71U36)Homo sapiens (human)Alpha-tubulin 3,Tubulin B-alpha-1,Tubulin alpha-3 chain
2B
(b)
Tubulin beta-3 chainpolymer45050497.61UniProt (Q13509)Homo sapiens (human)Tubulin beta-4 chain,Tubulin beta-III
3C
(a)
GUANOSINE-5'-TRIPHOSPHATEnon-polymer523.21Chemie (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)
4D, F
(a, b)
MAGNESIUM IONnon-polymer24.32Chemie (MG)
PubChem (888)
5E
(b)
PHOSPHOMETHYLPHOSPHONIC ACID GUANYLATE ESTERnon-polymer521.21Chemie (G2P)
Sequence modifications
b: 1 - 450 (UniProt: Q13509)
PDBExternal DatabaseDetails
Cys 239Ser 239engineered mutation
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains2
Total formula weight100686.0
Non-Polymers*Number of molecules4
Total formula weight1093.0
All*Total formula weight101779.0
*Water molecules are not included.

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PDB entries from 2026-04-01

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