U1 small nuclear ribonucleoprotein Ab.IgG:ACnc:Pt:Ser:Qn:IB
u1 small nuclear ribonucleoprotein ab.igg:acnc:pt:ser:qn:ib
U1 small nuclear ribonucleoprotein Ab.IgG:ACnc:Pt:Ser:Qn:IB
u1 small nuclear ribonucleoprotein ab.igg:acnc:pt:ser:qn:ib