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- Title
Molecular signatures of Calpain 10 isoforms sequences, envisage functional similarity and therapeutic potential.
- Authors
Chaudhry, Bushra; Hanif, Farina; Saboohi, Kausar
- Abstract
Calpain 10 plays a role in insulin secretion, action and susceptibility to type 2 diabetes. The mechanism through which it influences the insulin secretion and action is not completely defined. A structural bioinformatics approach is applied to envision its mechanism of action using available tools on NCBI (blastp and blastn), EMBL-EBI, Ensembl, Swiss Model Repository websites, I-TASSER, PROCHECK program and Discovery Studio software. Homology of domain I and II of calpain10 (isoform a) was established with super family cysteine proteinase domains (II a and II b, e=1.30e-77, 1.00e-20). Remaining sequences of domain III and T from (isoform a and c) indicated some similarity (Avg. e=1.94e-37) to calpain large subunit domain III (PF01067), the isoform g (139 AA) showed similarity with a part of catalytic domain of cysteine protease super family (e-value 1.00e-20). Swiss-model repository for 3D structures of protein, showed structural resemblance of 29% with 1QXP template of mu-calpain, 27% with 1KFX of mcalpain and 32% with 2P0R of calpain 9 in complex with leupeptin. Models prepared through I-TASSER confirmed through Ramachandran (RC) plots. The calpain 10 isoforms a, c and g show partial structural and functional resemblance to m, mu and calpain 9. This information is useful to find new drugs for disease management.
- Subjects
CALPAIN; STRUCTURAL bioinformatics; TYPE 2 diabetes; PROTEIN structure; CATALYTIC domains
- Publication
Pakistan Journal of Pharmaceutical Sciences, 2019, Vol 32, Issue 3, p937
- ISSN
1011-601X
- Publication type
Article