Preliminary investigation of caspase6 cleavage of HTT and HTT-HAP40 2019/07/15
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Project: Structural and functional analysis of huntingtin protein
Experiment: Preliminary investigation of caspase6 cleavage of HTT and HTT-HAP40
Date: 2019/07/15
Background: HTT is cleaved by numerous enzymes to generate protein fragments, many of which have implications for disease pathogenesis (reviewed by Saudou et al (2016) Neuron). However, very few of these proteases have been assessed for their cleavage of purified HTT protein or HTT-HAP40 protein samples. Caspase-6 cleavage of HTT has been reported to generate a aa. 1-586 fragment. However, it is not clear how HAP40 binding of HTT might affect cleavage by caspase-6 or release of this fragment from the complex structure. The caspase-6 cleavage site is in the intrinsically disordered region, distal from the globular structure. How cleavage might release a 1-586 fragment from the remainder of the structure remains incompletely understood.
Rationale: In this experiments I am aiming to optimise conditions for caspase-6 cleavage to test how proteolytic cleavage of HTT affects “pathogenic” fragment formation for apo vs HAP40-bound HTT.
创建时间：
2024-07-22
