TAME hydrochloride


CAS No. : 1784-03-8

1784-03-8
Price and Availability of CAS No. : 1784-03-8
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Cat. No. : HY-13255A
M.Wt: 378.87
Formula: C14H23ClN4O4S
Purity: >98 %
Solubility: DMSO : 155 mg/mL (ultrasonic);H2O : ≥ 100 mg/mL
Introduction of 1784-03-8 :

TAME hydrochloride is an inhibitor of anaphase-promoting complex/cyclosome (APC/C or APC), which binds to APC/C and prevents its activation by Cdc20 and Cdh1, produces mitotic arrest. TAME hydrochloride is not cell permeable[1][2]. IC50 & Target: Anaphase-promoting complex (APC)[1] In Vitro: The absence of APC substrates, TAME hydrochloride ejects Cdc20 from the APC by promoting Cdc20 auto-ubiquitination in its N-terminal region. Cyclin B1 antagonizes TAME hydrochloride's effect by promoting binding of free Cdc20 to the APC and suppressing Cdc20 auto-ubiquitination[2].
TAME hydrochloride stabilizes cyclin B1 in Xenopus extract by two mechanisms. First, it reduces the kcat of the APCCdc20/cyclin B1 complex without affecting the Km, slowing the initial ubiquitination of unmodified cyclin B1. Second, as cyclin B1 becomes ubiquitinated, it loses its ability to promote Cdc20 binding to the APC in the presence of TAME hydrochloride. As a result, cyclin B1 ubiquitination terminates before reaching the threshold necessary for proteolysis[2].

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