Activity-based probe profiling of RNF12 E3 ubiquitin ligase function in Tonne-Kalscheuer syndrome.
Activity-based probe profiling of RNF12 E3 ubiquitin ligase function in Tonne-Kalscheuer syndrome.
复制标题
DOI:
10.26508/lsa.202101248
复制
发表时间:
2022-11
影响因子:
4.4
通讯作者:
Findlay, Greg M.
中科院分区:
文献类型:
--
作者:
Bustos, Francisco;Mathur, Sunil;Espejo-Serrano, Carmen;Toth, Rachel;Hastie, C. James;Virdee, Satpal;Findlay, Greg M.
The authors use photocrosslinking activity-based probes to monitor RNF12/RLIM E3 ubiquitin ligase activity and report the impact of Tonne-Kalscheuer syndrome (TOKAS) patient variants on catalysis. Ubiquitylation enzymes are involved in all aspects of eukaryotic biology and are frequently disrupted in disease. One example is the E3 ubiquitin ligase RNF12/RLIM, which is mutated in the developmental disorder Tønne-Kalscheuer syndrome (TOKAS). RNF12 TOKAS variants largely disrupt catalytic E3 ubiquitin ligase activity, which presents a pressing need to develop approaches to assess the impact of variants on RNF12 activity in patients. Here, we use photocrosslinking activity-based probes (photoABPs) to monitor RNF12 RING E3 ubiquitin ligase activity in normal and pathogenic contexts. We demonstrate that photoABPs undergo UV-induced labelling of RNF12 that is consistent with its RING E3 ligase activity. Furthermore, photoABPs robustly report the impact of RNF12 TOKAS variants on E3 activity, including variants within the RING domain and distal non-RING regulatory elements. Finally, we show that this technology can be rapidly deployed in human pluripotent stem cells. In summary, photoABPs are versatile tools that can directly identify disruptions to RING E3 ubiquitin ligase activity in human disease, thereby providing new insight into pathogenic mechanisms.
登录
查看更多内容
影响因子:
9.8
作者:
Froyen, Guy;Corbett, Mark;Gecz, Jozef
通讯作者:
Gecz, Jozef
影响因子:
2
作者:
Geerts-Haages A;Bossuyt SNV;den Besten I;Bruggenwirth H;van der Burgt I;Yntema HG;Punt AM;Brooks A;Elgersma Y;Distel B;Valstar M
通讯作者:
Valstar M
影响因子:
4.6
作者:
Bustos F;Espejo-Serrano C;Segarra-Fas A;Toth R;Eaton AJ;Kernohan KD;Wilson MJ;Riley LG;Findlay GM
通讯作者:
Findlay GM
影响因子:
16
作者:
Brownell, James E.;Sintchak, Michael D.;Dick, Lawrence R.
通讯作者:
Dick, Lawrence R.
影响因子:
11.4
作者:
Das, Ranabir;Liang, Yu-He;Byrd, R. Andrew
通讯作者:
Byrd, R. Andrew