CA RELEASE CHANNEL RYANODINE RECEPTOR
\kˈɑː ɹɪlˈiːs t͡ʃˈanə͡l ɹˈa͡ɪɐnˌɒdiːn ɹɪsˈɛptə], \kˈɑː ɹɪlˈiːs tʃˈanəl ɹˈaɪɐnˌɒdiːn ɹɪsˈɛptə], \k_ˈɑː ɹ_ɪ_l_ˈiː_s tʃ_ˈa_n_əl ɹ_ˈaɪ__ɐ_n_ˌɒ_d_iː_n ɹ_ɪ_s_ˈɛ_p_t_ə]\
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Protein complexes that mediate the release of calcium from the sarcoplasmic reticulum in both skeletal and cardiac muscle cells by forming tetrametric complexes. These complexes each then act as a calcium channel. There are three isoforms of the RyR: RyR1, RyR2, and RyR3. RyR1 is specifically expressed in skeletal muscles and RyR2 in cardiac muscles. RyR3 is yet another isoform found in non-muscle cells such as neuronal cells. (From Yonsei Med J 1996;37 (1):72-80)
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Word of the day
Dopamine Acetyltransferase
- An enzyme that catalyzes the of groups from acetyl-CoA to arylamines. They have wide specificity for aromatic amines, particularly serotonin, and can also catalyze acetyl transfer between arylamines without CoA. EC 2.3.1.5.
Nearby Words
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