C1 C2 C3 C4 C5 C6 E. coli Sequence Data Fulla Fulla Red.b Red.b Red. & Alignedc Red. & Alignedc Indep. Species No Yes No Yes No Yes Crp Knownd 1(2) 7(10) 1(2) 8(12) 4(6) 11(16) Crp Noveld 0(0) 16(20) 0(0) 16(18) 6(7) 18(21) PurR Knownd 1(1) 9(9) 1(1) 11(11) 9(9) 12(12) PurR Noveld 0(0) 4(5) 0(0) 4(5) 3(4) 6(7)