>4KI2_1|Chains A[auth D], B[auth E], C[auth F], D[auth G]|DNA (5'-D(*TP*GP*TP*AP*CP*AP*AP*TP*GP*GP*G)-3')|null TGTACAATGGG >4KI2_2|Chains E[auth A], F[auth B]|RNA polymerase sigma factor|Thermus aquaticus (271) GPHMTSDPVRQYLHEIGQVPLLTLEEEIDLARKVEEGMEAIKKLSEATGLDQELIREVVRAKILGTARIQKIPGLKEKPDPKTVEEVDGKLKSLPKELKRYLHIAREGEAARQHLIEANLRLVVSIAKKYTGRGLSFLDLIQEGNQGLIRAVEKFEYKRRFKFSTYATWWIRQAINRAIADQARTIRIPVHMVETINKLSRTARQLQQELGREPSYEEIAEAMGPGWDAKRVEETLKIAQEPVSL