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Biochemistry Free For All
Transcription Biochemistry Free For All
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Structure
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Central Dogma Template Strand Coding Strand
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RNA Functions
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RNA Building Blocks
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Eukaryotic Process Structure
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Subunits (Prokaryotes)
RNA Polymerase Subunits (Prokaryotes) α (2) β β’ ω σ
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Non-template Strand Transcription Template Strand RNA Polymerase RNA
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Prokaryotic Control Sequences
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Prokaryotic RNA Polymerase (RNAP)
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Structure
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Transcription Initiation and Elongation
Rifampicin Blocks Elongation Transcription Bubble
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Transcription Elongation
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Transcription Termination
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Structure
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Termination Rho Factor Termination - Rho Protein “Climbs” RNA Being Synthesized and Removes RNA Polymerase from DNA Factor Independent - Sequence in RNA Causes RNA Polymerase to Fall Off of DNA
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Chromosome Structure
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Eukaryotic Control Sequences & Structure
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Eukaryotic Transcription Complex
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Transcription Complex Assembly
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Eukaryotic RNA Polymerase Inhibition
α-amanitin
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Eukaryotic mRNA 5’ Cap
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Eukaryotic mRNA 5’ Cap Roles for the 5’ Cap in Eukaryotes
Nuclease Protection / mRNA Stability Role in Translation
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Eukaryotic RNA Maturation
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Splicing
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Splicing
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Pyrimidine Rich Sequence
Splicing GU Sequence AG Sequence 1. U1 Binding 2. U2 Binding
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snRNPs - Contain Proteins and snRNAs.
Splicing Some snRNAs are Complementary to Sequences in Intron and Help to Assemble the Structure
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Splicing Mechanism
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Alternative Splicing
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Alternative Polyadenylation
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RNA Editing
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Structure
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CCA End tRNA Structure
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Synthesis of Pseudouridine from Uridine
tRNA Synthesis of Pseudouridine from Uridine
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tRNA and rRNA Processing in Eukaryotes
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Structure
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Structure
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Bacteria Eukaryotes Structure
5S rRNA (in large ribosomal subunit - structural support) 16S rRNA (in small ribosomal subunit - aligns mRNA for translation) 23S rRNA (in large ribosomal subunit - catalyzes peptide bond formation Eukaryotes 5S rRNA (large ribosomal subunit - structural support) 5.8S rRNA (large ribosomal subunit - translocation) 18S rRNA (small ribosomal subunit - functions in translation) 28S rRNA (large ribosomal subunit - peptide bond formation)
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Structure RNA Functions Synthesis of Proteins (tRNA, rRNA, mRNA)
Primary Genetic Material (RNA Viruses) Catalysis of Reactions (Ribozymes) Regulation of Gene Expression (miRNA & siRNA) Processing of Other RNAs (snRNAs & snoRNAs), RNA Structures Ribonucleotides - A,U,C,G Single Stranded/Self Pairing G-U Base Pairs
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Structure
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