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== Function ==
== Function ==
[https://www.uniprot.org/uniprot/SNPC1_HUMAN SNPC1_HUMAN] Part of the SNAPc complex required for the transcription of both RNA polymerase II and III small-nuclear RNA genes. Binds to the proximal sequence element (PSE), a non-TATA-box basal promoter element common to these 2 types of genes. Recruits TBP and BRF2 to the U6 snRNA TATA box.<ref>PMID:12621023</ref>  
[https://www.uniprot.org/uniprot/RPAB5_HUMAN RPAB5_HUMAN] DNA-dependent RNA polymerase catalyzes the transcription of DNA into RNA using the four ribonucleoside triphosphates as substrates. Common component of RNA polymerases I, II and III which synthesize ribosomal RNA precursors, mRNA precursors and many functional non-coding RNAs, and a small RNAs, such as 5S rRNA and tRNAs, respectively. Pol II is the central component of the basal RNA polymerase II transcription machinery. Pols are composed of mobile elements that move relative to each other. In Pol II, POLR2L/RBP10 is part of the core element with the central large cleft (By similarity).<ref>PMID:9852112</ref>  
 
==See Also==
*[[RNA polymerase 3D structures|RNA polymerase 3D structures]]
*[[Transcription initiation factors 3D structures|Transcription initiation factors 3D structures]]
== References ==
== References ==
<references/>
<references/>

Latest revision as of 07:40, 3 July 2024

RNA polymerase III pre-initiation complex open complex 1

8iuh, resolution 3.40Å

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