ribosomal proteins were passed through the nucleic acid affinity columns to form ribonucleoprotein complexes containing the nucleic acid and the proteins that bind to it ( 5 s . l6 , l7 , l19 ; and 5.8 s . l6 , l19 , s9 , s13 ) .
C0035552
ribosomal proteins
C0033684
proteins