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Chaperonin containing TCP1, subunit 3
CCTG, CCT3, CCT gamma
The protein encoded by this gene is a molecular chaperone that is a member of the chaperonin containing TCP1 complex (CCT), also known as the TCP1 ring complex (TRiC). This complex consists of two identical stacked rings, each containing eight different proteins. Unfolded polypeptides enter the central cavity of the complex and are folded in an ATP-dependent manner. The complex folds various proteins, including actin and tubulin. Alternate transcriptional splice variants have been characterized for this gene. In addition, a pseudogene of this gene has been found on chromosome 8. [provided by RefSeq, Aug 2010] (from
Willison et al., London, United Kingdom. In J Mol Biol, 2006
The results from this controlled CCT-actin folding assay are consistent with a model where CCT and Ac(I) are in a binding pre-equilibrium with a rate-limiting binding step, followed by a faster ATP-driven processing to native actin.