Post-transcriptional and post-translational modifications

Quick Orientation

Section	Objective	Keywords
Definition	Understand the core idea	Post-transcriptional modifications, Post-translational modifications
Messenger RNA Processing	Learn the main facts and relationships	hnRNA, snRNPs, spliceosome
Transfer RNA and Ribosomal RNA Processing	Learn the main facts and relationships	tRNA, CCA, rRNA
Trimming and Intein Splicing	Learn the main facts and relationships	Trimming, Intein splicing
Covalent Modifications	Learn the main facts and relationships	Covalent Modifications
Clinical Correlation	Connect the mechanism to clinical findings	β-thalassemia, γ-carboxylation

Section

Definition

Objective: Understand the core idea
Keywords: Post-transcriptional modifications, Post-translational modifications

Messenger RNA Processing

Objective: Learn the main facts and relationships
Keywords: hnRNA, snRNPs, spliceosome

Transfer RNA and Ribosomal RNA Processing

Objective: Learn the main facts and relationships
Keywords: tRNA, CCA, rRNA

Trimming and Intein Splicing

Objective: Learn the main facts and relationships
Keywords: Trimming, Intein splicing

Covalent Modifications

Objective: Learn the main facts and relationships
Keywords: Covalent Modifications

Clinical Correlation

Objective: Connect the mechanism to clinical findings
Keywords: β-thalassemia, γ-carboxylation

Definition

Post-transcriptional modifications are changes (terminal base addition, base modification, splicing) that convert a primary RNA transcript into its active RNA form.