DNA directed RNA polymerase II polypeptide A|DNA-directed RNA polymerase II largest subunit, RNA polymerase II 220 kd subunit|polymerase (RNA) II (DNA directed) polypeptide A (220kD); polymerase (RNA) II (DNA directed) polypeptide A, 220kDa
B polypeptide of Sm protein|Sm protein B/B'|small nuclear ribonucleoprotein polypeptide B|small nuclear ribonucleoprotein polypeptide B/B'|small nuclear ribonucleoprotein polypeptides B and B'; small nuclear ribonucleoprotein polypeptides B and B1