ID 4.2.1.172 DE trans-4-hydroxy-L-proline dehydratase. CA trans-4-hydroxy-L-proline = (S)-1-pyrroline-5-carboxylate + H(+) + H2O. CC -!- The enzyme has been characterized from the bacterium Peptoclostridium CC difficile. CC -!- The active form contains a glycyl radical that is generated by a CC dedicated activating enzyme via chemistry involving S-adenosyl-L- CC methionine (SAM) and a [4Fe-4S] cluster. DR A0A031WDE4, HYPD_CLODI ; //