label: 47S pre-rRNA is nucleolytically processed at A' (01,A1), site A0, and site 02 (site 6)  to yield 45S pre-rRNA (Gallus gallus)
label_lc: 47s pre-rrna is nucleolytically processed at a' (01,a1), site a0, and site 02 (site 6)  to yield 45s pre-rrna (gallus gallus)