| araC | <molecular biology> In bacteria, the arabinose ara operon regulatory protein. One of a large group of bacterial transcription factors with the helix turn helix motif. (18 Nov 1997) |
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| genes, arac | Regulatory genes which encode a cyclic AMP receptor protein required for l-arabinose utilization in e. Coli. It is an example of positive control or regulation of gene expression in the bacterial operon. (12 Dec 1998) |