ID 4.2.1.129 DE squalene--hopanol cyclase. AN squalene--hopene cyclase. CA H2O + squalene = hopan-22-ol. CC -!- The enzyme produces the cyclization products hopene (cf. CC EC 5.4.99.17) and hopanol from squalene at a constant ratio of 5:1. DR B6K412, SHC1_SCHJY ; P33247, SQHC_ALIAD ; P54924, SQHC_BRADU ; DR P55348, SQHC_SINFN ; P33990, SQHC_ZYMMO ; //