Anti-SARS2 Antibody Picoband® Fluoro488 Conjugated

Seryl-tRNA synthetase, mitochondrial is an enzyme that in humans is encoded by the SARS2 gene. This gene encodes the mitochondrial seryl-tRNA synthethase precursor, a member of the class II tRNA synthetase family. The mature enzyme catalyzes the ligation of Serine to tRNA (Ser) and participates in the biosynthesis of selenocysteinyl-tRNA (sec) in mitochondria. The enzyme contains an N-terminal tRNA binding domain and a core catalytic domain. It functions in a homodimeric form, which is stabilized by tRNA binding. This gene is regulated by a biional promoter that also controls the expression of mitochondrial ribosomal protein S12. Both genes are within the critical interval for the autosomal dominant deafness locus DFNA4 and might be linked to this disease. Multiple transcript variants encoding different isoforms have been identified for this gene.

Cancer, Cell Biology, Cytoskeleton/ECM, ECM Enzymes, Extracellular Matrix, Invasion/Microenvironment, Metalloprotease, Proteolysis/Ubiquitin, Proteolytic Enzymes, Signal Transduction

Deubiquitinase that plays a key regulatory role in the spindle assembly checkpoint or mitotic checkpoint by preventing premature anaphase onset. Acts by specifically mediating deubiquitination of CDC20, a negative regulator of the anaphase promoting complex/cyclosome (APC/C) . Deubiquitination of CDC20 leads to stabilize the MAD2L1-CDC20-APC/C ternary complex (also named mitotic checkpoint complex), thereby preventing premature activation of the APC/C. Promotes association of MAD2L1 with CDC20 and reinforces the spindle assembly checkpoint. Acts as a negative regulator of histone H2B (H2BK120ub1) ubiquitination.

1. Belostotsky, R., Ben-Shalom, E., Rinat, C., Becker-Cohen, R., Feinstein, S., Zeligson, S., Segel, R., Elpeleg, O., Nassar, S., Frishberg, Y. Mutations in the mitochondrial seryl-tRNA synthetase cause hyperuricemia, pulmonary hypertension, renal failure in infancy and alkalosis, HUPRA syndrome. Am. J. Hum. Genet. 88: 193-200, 2011. 2. Bonnefond, L., Fender, A., Rudinger-Thirion, J., Giege, R., Florentz, C., Sissler, M. Toward the full set of human mitochondrial aminoacyl-tRNA synthetases: characterization of AspRS and TyrRS. Biochemistry 44: 4805-4816, 2005. 3. Chimnaronk, S., Gravers Jeppesen, M., Suzuki, T., Nyborg, J., Watanabe, K. Dual-mode recognition of noncanonical tRNAs (Ser) by seryl-tRNA synthetase in mammalian mitochondria. EMBO J. 24: 3369-3379, 2005.