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The Bacillus subtilis LexA protein represses the SOS response to DNA damage by binding as a dimer to the consensus operator sequence 5'-CGAACN(4)GTTCG-3'. To characterize the requirements for LexA binding to SOS operators, we determined the operator bases needed for site-specific binding as well as the LexA amino acids required for operator recognition.(More)
BACKGROUND Experimental data from isolated rat hearts suggest that glycolysis in severe myocardial ischemia is inhibited by accumulation of glycolytic metabolites. In contrast, positron emission tomography (PET) in patients with myocardial ischemia records a 'mismatch' between the decreased coronary flow in viable ischemic tissue and an increased(More)
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