coli ribosomal 16s rna prepared by an acetic acid-urea extraction technique individually binds , in addition to the seven established proteins , 6 new 30s ribosomal proteins ( s3 , s5 , s9 , s12 , s18 and s11 ) ( hochkeppel et al. , 1976 ) .
C0033684
proteins
C0035552
ribosomal proteins