Crystal structure of the ribose operon repressor, RbsR, bound to ribose operon

Conserved energetic changes drive function in an ancient protein fold.

SATMKDVARLAGVSTSTVSHVINKDRFVSEAITAKVEAAIKELNYAPSALARSLKLNQTHTIGMLITASTNPFYSELVRG
VERSCFERGYSLVLCNTEGDEQRMNRNLETLMQKRVDGLLLLCTETHQPSREIMQRYPTVPTVMMDWAPFDGDSDLIQDN
SLLGGDLATQYLIDKGHTRIACITGPLDKTPARLRLEGYRAAMKRAGLNIPDGYEVTGDFEFNGGFDAMRQLLSHPLRPQ
AVFTGNDAMAVGVYQALYQAELQVPQDIAVIGYDDIELASFMTPPLTTIHQPKDELGELAIDVLIHRITQPTLQQQRLQL
TPILMERGSA

(DG)(DT)(DG)(DG)(DG)(DT)(DC)(DA)(DG)(DC)(DG)(DA)(DA)(DA)(DC)(DG)(DT)(DT)(DT)(DC)
(DG)(DC)(DT)(DG)(DA)(DT)(DG)(DG)(DA)(DG)

(DC)(DT)(DC)(DC)(DA)(DT)(DC)(DA)(DG)(DC)(DG)(DA)(DA)(DA)(DC)(DG)(DT)(DT)(DT)(DC)
(DG)(DC)(DT)(DG)(DA)(DC)(DC)(DC)(DA)(DC)

0.2 M sodium sulfate, 0.1 M bis-tris-propane (pH 6.5), and 20% PEG 3350

National Institutes of Health/National Institute of General Medical Sciences (NIH/NIGMS)

U VALUES : WITH TLS ADDED
HYDROGENS HAVE BEEN USED IF PRESENT IN THE INPUT
U VALUES : RESIDUAL ONLY

DNA BINDING PROTEIN, DNA BINDING PROTEIN-DNA complex

ATMKDVARLAGVSTSTVSHVINKDRFVSEAITAKVEAAIKELNYAPSALARSLKLNQTHTIGMLITASTNPFYSELVRGV
ERSCFERGYSLVLCNTEGDEQRMNRNLETLMQKRVDGLLLLCTETHQPSREIMQRYPTVPTVMMDWAPFDGDSDLIQDNS
LLGGDLATQYLIDKGHTRIACITGPLDKTPARLRLEGYRAAMKRAGLNIPDGYEVTGDFEFNGGFDAMRQLLSHPLRPQA
VFTGNDAMAVGVYQALYQAELQVPQDIAVIGYDDIELASFMTPPLTTIHQPKDELGELAIDVLIHRITQPTLQQQRLQLT
PILMERGSA