DescriptionRibosomeshape.png English: Structure and shape of the E.coli 70S ribosome. The large 50S ribosomal subunit (red) and small 30S ribosomal subunit
from coronavirus replication and budding. (Left) ribosomes in the endoplasmic reticulum. (A) ribosome; (B) viral coding RNA; (C) translocation channel;
structural motif occurring within A-form double helices of RNA, especially in ribosomes; this classic example is from the "sarcin-ricin loop", an important site