immune precipitation assays with antibodies specific for 2,2,7-trimethylguanosine ( m2,2,7 ( 3 ) g ) have been used to study the accessibility of the 5'-terminal m2,2,7 ( 3 ) g-containing caps of eucaryotic small nuclear rnas ( snrnas ) either as naked rnas or in intact small nuclear ribonucleoprotein ( snrnps ) .
C0035709
small nuclear rnas
C0142661
small nuclear ribonucleoprotein