Recombinant Human Small Nuclear Ribonucleoprotein Polypeptide A

[U2 small nuclear ribonucleoprotein A'; U2 small nuclear ribonucleoprotein A'; U2 small nuclear ribonucleoprotein A'; U2 small nuclear ribonucleoprotein polypeptide A'; U2 snRNP A'; small nuclear ribonucleoprotein polypeptide A']