4c9y

Structural Basis for the microtubule binding of the human kinetochore Ska complexStructural Basis for the microtubule binding of the human kinetochore Ska complex

Structural highlights

4c9y is a 2 chain structure with sequence from Homo sapiens. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Ligands:
Resources:	FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Function

[SKA1_HUMAN] Component of the SKA1 complex, a microtubule-binding subcomplex of the outer kinetochore that is essential for proper chromosome segregation. Required for timely anaphase onset during mitosis, when chromosomes undergo bipolar attachment on spindle microtubules leading to silencing of the spindle checkpoint. The SKA1 complex is a direct component of the kinetochore-microtubule interface and directly associates with microtubules as oligomeric assemblies. The complex facilitates the processive movement of microspheres along a microtubule in a depolymerization-coupled manner. In the complex, it mediates the interaction with microtubules.^[1] ^[2]

References

↑ Hanisch A, Sillje HH, Nigg EA. Timely anaphase onset requires a novel spindle and kinetochore complex comprising Ska1 and Ska2. EMBO J. 2006 Nov 29;25(23):5504-15. Epub 2006 Nov 9. PMID:17093495 doi:http://dx.doi.org/10.1038/sj.emboj.7601426
↑ Welburn JP, Grishchuk EL, Backer CB, Wilson-Kubalek EM, Yates JR 3rd, Cheeseman IM. The human kinetochore Ska1 complex facilitates microtubule depolymerization-coupled motility. Dev Cell. 2009 Mar;16(3):374-85. PMID:19289083 doi:http://dx.doi.org/S1534-5807(09)00039-2

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OCA

[1] Hanisch A, Sillje HH, Nigg EA. Timely anaphase onset requires a novel spindle and kinetochore complex comprising Ska1 and Ska2. EMBO J. 2006 Nov 29;25(23):5504-15. Epub 2006 Nov 9. PMID:17093495 doi:http://dx.doi.org/10.1038/sj.emboj.7601426

[2] Welburn JP, Grishchuk EL, Backer CB, Wilson-Kubalek EM, Yates JR 3rd, Cheeseman IM. The human kinetochore Ska1 complex facilitates microtubule depolymerization-coupled motility. Dev Cell. 2009 Mar;16(3):374-85. PMID:19289083 doi:http://dx.doi.org/S1534-5807(09)00039-2

[1]

[2]

4c9y

Structural Basis for the microtubule binding of the human kinetochore Ska complexStructural Basis for the microtubule binding of the human kinetochore Ska complex

Structural highlights

Function

References

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4c9y

Structural Basis for the microtubule binding of the human kinetochore Ska complexStructural Basis for the microtubule binding of the human kinetochore Ska complex

Structural highlights

Function

References

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