Protein
HTH-type transcriptional repressor GbsR
Organism
Bacillus subtilis (strain 168)
Function
Negatively regulates the expression of the gbsAB and opuB operons. Required to control expression of these genes in response to choline availability. Also required to downregulate glycine betaine production once cellular adjustment to high osmolarity has been achieved.
Similarity
Belongs to the GbsR family.
Sequence
MDENPEFAAIEQARDLVIDSIAETMDLYGITRSVGILYGTMYMRDEMTLDEMREELQMSKPSMSTGVKKLQDLNVVKKTFHRGIRKHTFVAEKDFFKFFTNFFPPKWEREVQVNVTAIEEAQADLQKVLCKEDLDEDIKNEALQLYDQLESSKAYYDWLKRLAESVQTGEIFKFIPVETK