>9QPX_2|Chains E, F, G|DNA-directed RNA polymerase II subunit RPB1|Homo sapiens (9606) YSPTSPSYSPTSPS >9QPX_1|Chains A, B, C, D|Breast cancer type 1 susceptibility protein|Homo sapiens (9606) AVNKRMSMVVSGLTPEEFMLVYKFARKHHITLTNLITEETTHVVMKTDAEFVCERTLKYFLGIAGGKWVVSYFWVTQSIKERKMLNEHDFEVRGDVVNGRNHQGPKRARESQDRKIFRGLEICCYGPFTNMPTDQLEWMVQLCGASVVKELSSFTLGTGVHPIVVVQPDAWTEDNGFHAIGQMCEAPVVTREWVLDSVALYQCQELDTYLIPQIP