>d1i6va1 d.74.3.1 (A:6-49,A:173-229) RNA polymerase alpha {Thermus aquaticus} lkapvftattqgdhygefvleplergfgvtlgnplrrillssipXpvrrvafqvedtrlg qrtdldkltlriwtdgsvtplealnqavailkehlnyfanpe