passages.id: split_1_test_1342_passage
passages.type: progene_text
passages.text: Both the hCPT1 and hCEPT1 enzymes were able to reconstitute the synthesis of PC in yeast to levels provided by the endogenous yeast cholinephosphotransferase ; however , only hCEPT1 - derived activity was able to complement the yeast CPT1 gene in its interaction with SEC14 and affect cell growth .