> [!info]- Note Disclaimer > *This note contains information on:* > - The Initiation → Elongation → Termination process of protein synthesis > > --- > For information on ribosomal structure or the EPA sites, see: > - [[Translation]] # Steps of Protein Synthesis **Protein synthesis** is a very expensive process (presumably to ensure the fidelity of the process): - 2 ATP for amino acid activation - 4 GTP for each amino acid added ## Eukaryotes ### Initiation ![[Pasted image 20250308143505.png|500]] The first step in translation is when initiation factors assist an fMet-tRNA to bind to a free 30S ribosomal subunit ### Elongation ### Termination ## Prokaryotes ### Initiation **Initiation on Bacterial cells Requires Three Initiation Factors** ### Elongation ### Termination