>d1iw7l1 d.74.3.1 (L:1-49,L:173-229) RNA polymerase alpha {Thermus thermophilus} mldsklkapvftvrtqgreygefvleplergfgvtlgnplrrillssipXpvrrvafqve dtrlgqrtdldkltlriwtdgsvtplealnqaveilrehltyfsnpq