From RNA to Protein Synthesis YouTube YouTube
Protein Synthesis Translation With Diagram Page Zoom in
The Seven Steps Of Protein Synthesis
DNA gets a signal that a particular protein needs to be made and unzips the part of the code.
At every 3 base pairs, t RNA attaches a particular amino acid for the particular DNA
Once the code has been completely read, a stop signal is given and protein synthesis is complete and the protein goes where it is needed
This is a non-real twinkie compared to our last presentation
This is a real Twinkie
Protein Synthesis - Elmhurst College
The 30S subunit consists of one molecule of 16S rRNA, and 20 different proteins of various sizes. This unit is responsible for formation of the initiation complex, performs the decoding of the genetic information, and controls the fidelity of codon-anticodon interactions. The large subunit consists of 2 RNA molcules: 23S and 5S rRNA, and 34 proteins. This subunit catalyzes the reactions of peptide bond formation and peptide release. It also provides the path for the nascent polypeptide chain through a tunnel.
Key step in protein synthesis revealed -- ScienceDaily
You can see that the ribosome is not an enzyme, but a ribozyme (catalytic RNA molecule) and no protein takes part in the reaction. The protein that comes close is L27, and it has been shown biochemically that it makes the ribosome slightly faster Probably it ishelping to correctly position P-site tRNA.