>sp|C6BU59|REX_MARSD Redox-sensing transcriptional repressor Rex OS=Maridesulfovibrio salexigens GN=rex
MKTQNIPKATIKRLAVYIQVLTGLKRDGVEVISSEKLARACSVNPSQIRKDLAYFGEFGV
RGVGYYVHELISSIKQSLGVDRVWGCALVGVGNLGRALLRHKEFALRGFSIRAAFDCDPY
KIGEVVSGLEVVCTRQFKARVEELGLEIGIITTPPERAQRAANYLVDGGIKGIVNFAQAR
IDVPKNVPVEYVDFTHHFYSVAFNISSME