The stereochemistry of hydrogen elimination during 7,8-double bond formation by Tetrahymena pyriformis.
It is shown that formation of the 7,8-double bond in the conversion of cholesterol into cholesta-5,7,22-trien-3beta-ol involves the removal of the 7beta- and 8beta-hydrogen atoms.
D002247:Carbon Isotopes; D002776:Cholestanes / Q000096:biosynthesis*; D002784:Cholesterol / Q000378:metabolism*; D006859:Hydrogen / Q000378:metabolism*; D013237:Stereoisomerism; D013261:Sterols / Q000096:biosynthesis; D013768:Tetrahymena / Q000378:metabolism*; D014316:Tritium
D002247:Carbon Isotopes; D002776:Cholestanes; D013261:Sterols; D014316:Tritium; D006859:Hydrogen; D002784:Cholesterol