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6K9V

Crystal structure of tubulin in complex with inhibitor D64

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, C
(A, C)
Tubulin alpha-1B chainpolymer45050041.32UniProt (P81947)
Pfam (PF00091)
Pfam (PF03953)
Bos taurus (Bovine)Alpha-tubulin ubiquitous,Tubulin K-alpha-1,Tubulin alpha-ubiquitous chain
2B, D
(B, D)
Tubulin beta-2B chainpolymer44549999.92UniProt (Q6B856)
Pfam (PF00091)
Pfam (PF03953)
Bos taurus (Bovine)
3E
(E)
Stathmin-4polymer14316844.21UniProt (P63043)
Pfam (PF00836)
Rattus norvegicus (Rat)Stathmin-like protein B3,RB3
4F
(F)
Tubulin tyrosine ligasepolymer38444378.51UniProt (E1BQ43)Gallus gallus (Chicken)
5G, N, Q
(A, C, D)
GUANOSINE-5'-TRIPHOSPHATEnon-polymer523.23Chemie (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)
6H, I, K, O, S
(A, B, C, D)
MAGNESIUM IONnon-polymer24.35Chemie (MG)
PubChem (888)
7J
(B)
GUANOSINE-5'-DIPHOSPHATEnon-polymer443.21Chemie (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)
8L
(B)
2-(N-MORPHOLINO)-ETHANESULFONIC ACIDnon-polymer195.21Chemie (MES)
PubChem (4478249)
9M, R
(B, D)
(5-methoxy-1H-indol-2-yl)-phenyl-methanonenon-polymer251.32Chemie (D3L)
10P
(C)
CALCIUM IONnon-polymer40.11Chemie (CA)
PubChem (271)
11T
(F)
PHOSPHOMETHYLPHOSPHONIC ACID ADENYLATE ESTERnon-polymer505.21Chemie (ACP)
PubChem (4799)
PubChem (46936826)
PubChem (91532)
PubChem (91885473)
PubChem (134943439)
PubChem (157749842)
PubChem (157749839)
12U, V, W, X, Y...
(A, B, C, D, E...)
waterwater18.0426Chemie (HOH)
Sequence modifications
E: 5 - 145 (UniProt: P63043)
PDBExternal DatabaseDetails
Met 3-expression tag
Ala 4-expression tag
F: 1 - 378 (UniProt: E1BQ43)
PDBExternal DatabaseDetails
His 379-expression tag
His 380-expression tag
His 381-expression tag
His 382-expression tag
His 383-expression tag
His 384-expression tag
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains6
Total formula weight261305.0
Non-Polymers*Number of molecules14
Total formula weight3377.3
All*Total formula weight264682.3
*Water molecules are not included.

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PDB entries from 2026-04-01

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