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Kinetochore proteins

Unless otherwise stated all data on this page refer to the human proteins. Gene information is provided for human (Hs), mouse (Mm) and rat (Rn).

Overview

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The kinetochore is a large protein complex that assembles on centromeres. The complex enables physical connections between replicated chromosomes and the dynamic ends of spindle microtubules and facilitates the movement and alignment of chromosomes in concert with microtubule polymerization and depolymerization.

Targets

3337
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SGT1 assembly cochaperone of MIS12 kinetochore complex Show summary »

Target Id 3337
Nomenclature SGT1 assembly cochaperone of MIS12 kinetochore complex
Previous and unofficial names SGT1 homolog, MIS12 kinetochore complex assembly cochaperone
Genes SUGT1 (Hs), Sugt1 (Mm), Sugt1 (Rn)
Ensembl ID ENSG00000165416 (Hs), ENSMUSG00000022024 (Mm), ENSRNOG00000012594 (Rn)
UniProtKB AC Q9Y2Z0 (Hs), SGT1_MOUSE (Mm), SGT1_RAT (Rn)
Ligands
Notoginsenoside-Fa (Binding) pKd 4.3
Comment The SUGT1-encoded protein is a component of the kinetochore complex. It is a multi-function protein with roles in kinetochore assembly, lncRNA and protein-folding chaperone binding and regulation of protein stability.

How to cite this family page

Database page citation:

Kinetochore proteins. Accessed on 13/03/2026. IUPHAR/BPS Guide to PHARMACOLOGY, http://www.guidetopharmacology.org/GRAC/FamilyDisplayForward?familyId=1124.

Concise Guide to PHARMACOLOGY citation:

Alexander SPH, Kelly E, Mathie AA, Peters JA, Veale EL, Armstrong JF, Buneman OP, Faccenda E, Harding SD, Spedding M, Cidlowski JA, Fabbro D, Davenport AP, Striessnig J, Davies JA et al. (2023) The Concise Guide to PHARMACOLOGY 2023/24: Introduction and Other Protein Targets. Br J Pharmacol. 180 Suppl 2:S1-22.