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9N9I

Cryo-EM structure of the Xenopus laevis mitotic centromere-associated kinesin (MCAK) bound to the paclitaxel-stabilized microtubule

Entity
Entity IDChain IDDescriptionTypeChain lengthFormula weightNumber of moleculesDB Name (Accession)Biological sourceDescriptive keywords
1A, C, D, H
(1, 4, A, a)
Tubulin alpha-1B chainpolymer45150204.44UniProt (Q2XVP4)
Pfam (PF00091)
Pfam (PF03953)
Sus scrofa (pig)Alpha-tubulin ubiquitous, Tubulin K-alpha-1, Tubulin alpha-ubiquitous chain
2B, E, F, I
(3, B, C, b)
Tubulin beta chainpolymer44549907.84UniProt (P02554)
Pfam (PF00091)
Pfam (PF03953)
Sus scrofa (pig)Beta-tubulin
3G
(M)
Kinesin-like protein KIF2Cpolymer73983721.81UniProt (Q91636)
Pfam (PF22923)
Pfam (PF00225)
Xenopus laevis (African clawed frog)Kinesin central motor 1,xKCM1
4J, P, R, Y
(1, 4, A, a)
GUANOSINE-5'-TRIPHOSPHATEnon-polymer523.24Chemie (GTP)
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)
PubChem (177679032)
PubChem (135400627)
PubChem (135487750)
PubChem (136088935)
PubChem (136803486)
5BA, K, M, O, Q...
(b, 1, 3, 4, A...)
MAGNESIUM IONnon-polymer24.38Chemie (MG)
PubChem (888)
6AA, L, T, W
(b, 3, B, C)
GUANOSINE-5'-DIPHOSPHATEnon-polymer443.24Chemie (GDP)
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)
PubChem (136073927)
7CA, N, V, X
(b, 3, B, C)
TAXOLnon-polymer853.94Chemie (TA1)
PubChem (16757828)
PubChem (16760674)
PubChem (21458255)
PubChem (23307219)
PubChem (23412627)
PubChem (23636632)
PubChem (24848897)
PubChem (24867246)
PubChem (44323108)
PubChem (44356961)
PubChem (44403716)
PubChem (46781469)
PubChem (49868078)
PubChem (54259298)
PubChem (57908851)
PubChem (57946364)
PubChem (58803237)
PubChem (59844545)
PubChem (59904698)
PubChem (60123443)
PubChem (70943371)
PubChem (71096818)
PubChem (73759783)
PubChem (101598423)
PubChem (118528174)
PubChem (124747271)
PubChem (124747273)
PubChem (124747274)
PubChem (126761000)
PubChem (133052515)
PubChem (133640187)
PubChem (134715514)
PubChem (143890766)
PubChem (152743329)
PubChem (154828192)
PubChem (144453087)
PubChem (160585532)
PubChem (163077210)
PubChem (163077213)
PubChem (163077214)
PubChem (163077215)
PubChem (165084161)
PubChem (166711459)
PubChem (167423928)
PubChem (170014955)
PubChem (170362150)
PubChem (16760177)
PubChem (16742549)
PubChem (21733096)
PubChem (23307242)
PubChem (23307253)
PubChem (23307913)
PubChem (24754091)
PubChem (24207713)
PubChem (24791027)
PubChem (25200067)
PubChem (42613129)
PubChem (42620039)
PubChem (44155032)
PubChem (44276363)
PubChem (44279927)
PubChem (44335735)
PubChem (44291178)
PubChem (44328863)
PubChem (44342632)
PubChem (44356895)
PubChem (44378736)
PubChem (45489039)
PubChem (46782671)
PubChem (71209844)
PubChem (53313247)
PubChem (53298534)
PubChem (54259297)
PubChem (54259299)
PubChem (57489669)
PubChem (57999380)
PubChem (58460861)
PubChem (58777027)
PubChem (58798493)
PubChem (58596717)
PubChem (59048611)
PubChem (59042813)
PubChem (58877402)
PubChem (60005248)
PubChem (59873251)
PubChem (59914794)
PubChem (59919147)
PubChem (60123436)
PubChem (60011010)
PubChem (60147315)
PubChem (66795656)
PubChem (14060298)
PubChem (176586897)
PubChem (177678861)
PubChem (36314)
PubChem (60915)
PubChem (177409)
PubChem (184492)
PubChem (70801836)
PubChem (70842048)
PubChem (70848451)
PubChem (70856170)
PubChem (441276)
PubChem (73707502)
PubChem (73759704)
PubChem (89493063)
PubChem (89847578)
PubChem (90057663)
PubChem (91122402)
PubChem (91885464)
PubChem (5317123)
PubChem (5321715)
PubChem (101920282)
PubChem (5352019)
PubChem (121459571)
PubChem (122361554)
PubChem (6604028)
PubChem (6604616)
PubChem (6604814)
PubChem (6713921)
PubChem (6915727)
PubChem (124747272)
PubChem (124893098)
PubChem (9875988)
PubChem (126968948)
PubChem (129395998)
PubChem (129627423)
PubChem (10748131)
PubChem (132517454)
PubChem (11320430)
PubChem (11354895)
PubChem (134368714)
PubChem (134972678)
PubChem (137705323)
PubChem (138106885)
PubChem (140731501)
PubChem (140512017)
PubChem (146034004)
PubChem (153289350)
PubChem (154037993)
PubChem (155982214)
PubChem (159121804)
PubChem (160053861)
PubChem (159716711)
PubChem (160171678)
PubChem (160585530)
PubChem (163077211)
PubChem (163077212)
PubChem (163077209)
PubChem (163284947)
PubChem (4666)
PubChem (168322423)
PubChem (169917882)
PubChem (171036874)
PubChem (175758871)
PubChem (5460441)
PubChem (9854162)
PubChem (9897470)
PubChem (10033513)
PubChem (10485732)
PubChem (11506104)
PubChem (11828953)
PubChem (14060299)
PubChem (14060304)
PubChem (14060306)
PubChem (14060309)
PubChem (15983941)
Sequence modifications
M: 1 - 730 (UniProt: Q91636)
PDBExternal DatabaseDetails
Ser 731-expression tag
Asn 732-expression tag
Ser 733-expression tag
Leu 734-expression tag
Glu 735-expression tag
Val 736-expression tag
Leu 737-expression tag
Phe 738-expression tag
Gln 739-expression tag
Sequence viewer
Contents of the asymmetric unit
PolymersNumber of chains9
Total formula weight484170.6
Non-Polymers*Number of molecules20
Total formula weight7475.6
All*Total formula weight491646.2
*Water molecules are not included.

252091

PDB entries from 2026-04-15

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