C9orf72 ubiquitin and interaction proteomics

Version 1

This project serves as a centralized repository for omics datasets published by research groups within the SyNergy Cluster. It encompasses investigations such as proteomics and transcriptomics, which are further divided into individual studies led by SyNergy members. Each study is linked to relevant publications, assays and data files (with links to external repositories).

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Hexanucleotide repeat expansions within C9orf72 are a frequent cause of amyotrophic lateral sclerosis and frontotemporal dementia. Haploinsufficiency leading to reduced C9orf72 protein contributes to disease pathogenesis. C9orf72 binds SMCR8 to form a robust complex that regulates small GTPases, lysosomal integrity, and autophagy. In contrast to this functional understanding, we know far less about the assembly and turnover of the C9orf72-SMCR8 complex. Loss of either subunit causes the concurrent ...

Following HA-immunoprecipitation of C9orf72 from SMCR8 KO cells, proteins were precipitated with 20% TCA and incubated for 20 min on ice. After centrifugation at 20,000 x g, 4°C for 30 min, the supernatant was discarded, 10% cold TCA was added to pellets and centrifuged again. Pellets were washed 3x in cold acetone, centrifuged and then dried in a speed vacuum concentrator. For in-solution tryptic digestion, pellets were resolved in 50 mM ammonium bicarbonate (ABC) pH 8.0 with 10% acetonitrile ...