Thursday, November 19, 2009

mRNA [9,2]

3-Base-Sequences
Initiation: Kozak seq/3 pairs up AUG/Ribosomal binding
Stop: AUG + post-transcription addition of repeat AAA-AAA

3 comments:

  1. hnRNA (pre mRNA) -> nucleus
    Guanosine-mRNA-AAAA -> nucleoplasm + spliceosomes
    (5') 7-Methyl.Guanosine-mRNA-AAAA (3')

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  2. AUG - only start ; 5'->3' mRNA
    UAA/UAG/UGA - termination ; 5'->3' mRNA
    tRNA anticodon - 5'->3'

    ReplyDelete
  3. location
    nuclear*
    cytosol

    DNA
    hnRNA (pre mRNA)
    5'-Guanine cap + 3'-AAAAA cap

    snRNA*
    mRNA
    5'-MethylGuanine-mRNA-3'AAAAA

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