>d4g7hb1 d.74.3.1 (B:7-49,B:173-228) RNA polymerase alpha {Thermus thermophilus [TaxId: 274]} kapvftvrtqgreygefvleplergfgvtlgnplrrillssipXpvrrvafqvedtrlgq rtdldkltlriwtdgsvtplealnqaveilrehltyfsnp