Title : Why human cytochrome P450c21 is a progesterone 21-hydroxylase.

Pub. Date : 2011 May 17

PMID : 21446712






1 Functional Relationships(s)
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1 Therefore, we hypothesized that the binding of P4 and 17OHP4 to CYP21A2 restricts access of the reactive heme-oxygen complex to the C-21 hydrogen atoms, suppressing oxygenation at kinetically more favorable sites such as C-17 and C-16, which are both hydroxylated by cytochrome P450c17 (CYP17A1). Heme cytokine like 1 Homo sapiens