A suggested positive control is rat thymus tissue lysate.
PA5-20859 can be used with blocking peptide PEP-0973.
TMEM38A and TMEM38B are two recently identified trimeric intracellular cation (TRIC) channel subtypes. TMEM38B is expressed in most mammalian tissues, while TMEM38A is preferentially expressed in excitable tissues such as striated muscle and brain. Mice deficient in both TMEM38A and TMEM38B suffer embryonic cardiac failure; the cardiac myocytes display severe dysfunction in SR Ca2+ handling, weakened Ca2+ release, and reduced K+ permeability indicating that the TRIC cation channels are likely to act as counter-ion channels that function in synchronization with Ca2+ release from intracellular stores. Mice that were lacking only TMEM38B however, die shortly after birth due to respiratory failure and have lungs exhibiting severe histological defect and ultrastructural abnormalities in their alveolar type II epithelial cells, indicating that TMEM38B are essential for perinatal lung maturation. Other experiments have shown that TMEM38A and TMEM38B can act with junctophilin proteins to support efficient ryanodine receptor-mediated Ca2+ release in muscle cells.
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Protein Aliases: Mitsugumin-33B; Mitsugumin33B; RP11-219P18.1, C9orf87, D4Ertd89e, TRIC-B, TRICB, bA219P18.1; Transmembrane protein 38B; TRIC-B; TRICB; Trimeric intracellular cation channel type B
Gene Aliases: 1600017F22Rik; AA437809; AV051057; bA219P18.1; C9orf87; D4Ertd89e; Mg33b; OI14; RGD1305703; TMEM38B; TRIC-B; TRICB