>d1r1tb_ a.4.5.5 (B:) SmtB repressor {Cyanobacteria (Synechococcus), pcc7942} aiaselqaiapevaqslaeffavladpnrlrllsllarselcvgdlaqaigvsesavshq lrslrnlrlvsyrkqgrhvyyqlqdhhivalyqnaldhl