Poly(A) polymerase alpha MPFPVTTQGS QQTQPPQKHY GITSPISLAA PKETDCVLTQ KLIETLKPFG VFEEEEELQR RILILGKLNN LVKEWIREIS ESKNLPQSVI ENVGGKIFTF GSYRLGVHTK GADIDALCVA PRHVDRSDFF TSFYDKLKLQ EEVKDLRAVE EAFVPVIKLC FDGIEIDILF ARLALQTIPE DLDLRDDSLL KNLDIRCIRS LNGMRKPTSF CVLQFLSDIS CFYTSFVLKL FIAILLTQ