Stages Of Protein Synthesis #1
by Science Photo Library
Title
Stages Of Protein Synthesis #1
Artist
Science Photo Library
Medium
Photograph - Photograph
Description
Stages of protein synthesis. Illustration of the stages in protein synthesis in cells: initiation (top), elongation (middle), and termination (bottom). Messenger ribonucleic acid (mRNA, red) is read by ribosomes (blue), moving from the 5' to the 3' end of mRNA. The first transfer RNA (tRNA, key-shaped) and amino acid (orange dot) binds to the ribosome's P site (upper centre). Incoming tRNA fragments bring more amino acids to the A site, with the polypeptide chain growing (centre) from the P site until the termination codon is reached (bottom). A release factor (purple) frees the ribosome subunits until needed again. For this artwork with labels, see C023/8874.
Uploaded
July 1st, 2016
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