the antibodies ( mcab-2d11 ) belong to the igg2b subclass , reacted specifically with the second largest ( 120 kda ) subunit of rna polymerase i , and inhibited accurate transcription of cloned rat rdna in a fractionated cell extract following immunoprecipitation of rna polymerase i .
C0040649
transcription
C0035678
rna polymerase i