background session #2 transcription genetic code translation may 17, 2008
DESCRIPTION
Background Session #2 Transcription Genetic Code Translation May 17, 2008. Henrik Kibak Associate Professor of Biology California State University, Monterey Bay. Transcription & Translation. DNA RNA Protein. Transcription & Translation. Review of Transcription. - PowerPoint PPT PresentationTRANSCRIPT
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A program of ITEST (Information Technology Experiences for Students and Teachers) funded by the National Science Foundation
Background Session #2 Transcription Genetic Code Translation
May 17, 2008Henrik KibakAssociate Professor of BiologyCalifornia State University, Monterey Bay
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May 17th Workshop 2
Transcription & Translation
DNA RNA Protein
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May 17th Workshop 3
Transcription & Translation
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May 17th Workshop 4
Review of Transcription
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May 17th Workshop 5
Review of Transcription(Prokaryotes)
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May 17th Workshop 6
Review of Transcription
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May 17th Workshop 7
Review of TranscriptionGenes and RNA transcripts differ in length!
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May 17th Workshop 8
Review of Transcription
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May 17th Workshop 9
Review of Translation
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May 17th Workshop 10
Review of Translation
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May 17th Workshop 11
Review of Genetic Code
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May 17th Workshop 12
Amino Acid ReviewTwo of the most important properties of amino acids are their size and “hydrophobicity,” or oilyness. The more hydrophobic a residue, the more hydrogen-bond forming molecules such as water force the residue away.
This causes proteins to fold with their non-polar residues in, away from water… or to become embedded in the lipid bilayer of cell membranes.
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May 17th Workshop 13
Review of Genetic Code
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May 17th Workshop 14
Review of Genetic Code
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May 17th Workshop 15
DNA and Protein Sequences ATGGAACTTATTAAAGAAGATAATGCT
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May 17th Workshop 16
DNA and Protein Sequences ATGGAACTTATTAAAGAAGATAATGCT
M E L I K E D N A
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May 17th Workshop 17
DNA and Protein Sequences
M E L I K E D N A ATGGAACTTATTAAAGAAGATAATGCTATGGAGTTCATCAAGGAGGACAACGCCATGGAGTTAATAAAAGAAGATAATGCAATGGAGTTGATTAAAGAAGATAATGCG
Met Glu Leu Ile Lys Glu Asp Asn Ala M E L I K E D N AATG GAA CTT ATT AAA GAA GAT AAT GCT G T C C G G C C C A A A G G
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May 17th Workshop 18
Review of Genetic Code
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May 17th Workshop 19
mRNA ProteinHuman Cytochrome c mRNA Translated to Protein
M G D V E K G K K I F I M K C S Q C H T AUG GGU GAU GUU GAG AAA GGC AAG AAG AUU UUU AUU AUG AAG UGU UCC CAG UGC CAC ACC
V E K G G K H K T G P N L H G L F G R K GUU GAA AAG GGA GGC AAG CAC AAG ACU GGG CCA AAU CUC CAU GGU CUC UUU GGG CGG AAG
T G Q A P G Y S Y T A A N K N K G I I W ACA GGU CAG GCC CCU GGA UAC UCU UAC ACA GCC GCC AAU AAG AAC AAA GGC AUC AUC UGG
G E D T L M E Y L E N P K K Y I P G U K GGA GAG GAU ACA CUG AUG GAG UAU UUG GAG AAU CCC AAG AAG UAC AUC CCU GGA ACA AAA
M I F V G I K K K E E R A D L I A Y L K AUG AUC UUU GUC GGC AUU AAG AAG AAG GAA GAA AGG GCA GAC UUA AUA GCU UAU CUC AAA
K A T N E - AAA GCU ACU AAU GAG UAA
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May 17th Workshop 20
Introns, Exons, & Untranslated Regions
>Cytochrome c somatic range=chr7:25129845-25131480 AGGGCGCGGGAGCGCGGAGCGAGTTTGGTTGCACTTACACCGGTACTTAAGCGCGGACCGGCGTGTCCTTGGACTTAGAGAGTGGGGACGTCCGGCTTCGGAGCGGGAGTGTTCGTTGTGCCAGCGACTAAAAAGAGgtgagagcgggtcgcggaggccgcacctggttagaggcagagctgtgggaggcgcgcacttgcgagcgaccgaaacccaagcggggagcattcgagtggagcccgcgctgggtgggagggcggggagtgaagaccctggactgtggtcagaccgagctgggcgagtaacggcttgaggtgcggcggagccctaactagggacaggtatggtctcggtcagggactggaggcggcttggatacagatccgaggaggaggcggcctcttccgtagtggttgctgaagggctatggaaatgataggcaagacttccctcctggaaagccgaagcttagagcttcacgttcttcttcagagggcaaaagctgttgctcttctaataaggggccagttcttttcgtgggcacatgtttcttccgtcagtcgttctgacatcctagaaggagtttcatcaatcaccttgaaaccgacctggacgggtgacctcgtggtcgccccaggagatcacaggtaggggagttgggatgtccccgggggaccgtgcagcctgcccctgagctcccattcacaagttcgagtgtcaagctactcctgtgacctgggcagatagaaacagccaggaccgctttttaaacatttgtgtgctttgcgttatcctcagggagaggtggctttacattgtagtaagattaaatggttaggtctttttaaaagttgcggttgtggtgattttggcttaatgtgttcgcccttgagcttcagatctgtgacttcgtgaccatgattgtctcttctgaaactggagtttgaattaggttccctctttgcttgggctttaacgttccttcacgtatacacacaaaaatacgtttttgaggaggtactcctaaaaatgtttttggtattaaagaatatttggtataaagagtattaaagcaaaacaagattcattctggtatttaatgacataaattagcaatggattggtaattaagtggctagagtggtcattcatttacactgtatttgttacctgaggaaaaatttactaagttgaagctttcgtttttagAATTAAATATGGGTGATGTTGAGAAAGGCAAGAAGATTTTTATTATGAAGTGTTCCCAGTGCCACACCGTTGAAAAGGGAGGCAAGCACAAGACTGGGCCAAATCTCCATGGTCTCTTTGGGCGGAAGACAGGTCAGGCCCCTGGATACTCTTACACAGCCGCCAATAAGAACAAAGgtaagagtcacttgttaaataaaacaacacaaaatgcaggaatataacatgtggcaaactatcaggagtgtgaaataaccgatgcattctttcttgtttagGCATCATCTGGGGAGAGGATACACTGATGGAGTATTTGGAGAATCCCAAGAAGTACATCCCTGGAACAAAAATGATCTTTGTCGGCATTAAGAAGAAGGAAGAAAGGGCAGACTTAATAGCTTATCTCAAAAAAGCTACTAATGAGTAA
Actual gene sequence of Human Cytochrome c including introns and 5’ untranslated region taken directly from chromosome 7 genomic sequence.
The blue portion of sequence becomes the mature mRNA (some 3’ untranslated sequence left off for clarity).
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May 17th Workshop 21
Reading Framescgtttttag AATTAAATATGGGTGATGTTGAGAAAGGCAAGAAGATTTTTATTATGAAGTGTTCCCAGTGCCACACCGTTGAAAAGGGAGGCAAGCACAAGACTGGGCCAAATCTCCATGGTCTCTTTGGGCGGAAGACAGGTCAGGCCCCTGGATACTCTTACACAGCCGCCAATAAGAACAAAG gtaagagtcacttg
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May 17th Workshop 22
Reading FramescgtttttagAATTAAATATGGGTGATGTTGAGAAAGGCAAGAAGATTTTTATTATGAAGTGTTCCCAGTGCCACACCGTTGAAAAGGGAGGCAAGCACAAGACTGGGCCAAATCTCCATGGTCTCTTTGGGCGGAAGACAGGTCAGGCCCCTGGATACTCTTACACAGCCGCCAATAAGAACAAAGgtaagagtcacttgttaaataaaacaacacaaaatgcaggaatataacatgtggcaaactatcaggagtgtgaaataaccgatgcattctttcttgtttagGCATCATCTGGGGAGAGGATACACTGATGGAGTATTTGGAGAATCCCAAGAAGTACATCCCTGGAACAAAAATGATCTTTGTCGGCATTAAGAAGAAGGAAGAAAGGGCAGACTTAATAGCTTATCTCAAAAAAGCTACTAATGAGTAA
If we translate the whole segment we get no open reading frames….
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May 17th Workshop 23
Open Reading Frames are Rare… (so they probably indicate a gene). AATTAAATATGGGTGATGTTGAGAAAGGCAAGAAGATTTTT
ATTATGAAGTGTTCCCAGTGCCACACCGTTGAAAAGGGAGGCAAGCACAAGACTGGGCCAAATCTCCATGGTCTCTTTGGGCGGAAGACAGGTCAGGCCCCTGGATACTCTTACACAGCCGCCAATAAGAACAAAG GCATCATCTGGGGAGAGGATACACTGATGGAGTATTTGGAGAATCCCAAGAAGTACATCCCTGGAACAAAAATGATCTTTGTCGGCATTAAGAAGAAGGAAGAAAGGGCAGACTTAATAGCTTATCTCAAAAAAGCTACTAATGAGTAA