passages.id: split_5_test_2702_passage
passages.type: progene_text
passages.text: A putative sigma ( 70 ) promoter ( ParcA [ TTGTGT-N(19)-TAGAAT ] ) was mapped 5' to arcA by primer extension , and the expression of ParcA was shown to be inducible by arginine and repressible by glucose , in agreement with AD specific activities measured in the wild - type strain .