分子生物学课件.ppt

文档介绍：Eukaryotic Transcription Initiation
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: a DNA sequence that RNA polymerase can identify ,bind and start to transcribe .
polymerases
RNA pol I : Transcripition of rRNA gene
RNA Pol II : Transcripition of mRNA and most of snRNA genes
RNA Pol III : Transcripition of tRNA , 5S rRNA and the other of snRNA genes
factors: any proteins that general transcription initiation requires, but not the ingredient of the RNA polymerases.
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UBF
UBF
+1
核心
UBF
TBP
UCE
核心
+1
RNA pol I
rRNA
SL1
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RNA pol I
TBP
UBF
UBF
TBP
UBF
UBF
RNA pol I
rRNA的合成
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TBP
TFII D
TFII A
TFII B