2i7x

<StructureSection load='2i7x' size='340' side='right' caption='[[2i7x]], [[Resolution|resolution]] 2.50&Aring;' scene=''>

<table><tr><td colspan='2'>[[2i7x]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Atcc_18824 Atcc 18824]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2I7X OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2I7X FirstGlance]. <br>

</td></tr><tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[2i7t|2i7t]], [[2i7v|2i7v]]</td></tr>

<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">CFT2, YDH1 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=4932 ATCC 18824])</td></tr>

<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2i7x FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2i7x OCA], [http://pdbe.org/2i7x PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=2i7x RCSB], [http://www.ebi.ac.uk/pdbsum/2i7x PDBsum]</span></td></tr>

[[http://www.uniprot.org/uniprot/CFT2_YEAST CFT2_YEAST]] RNA-binding component of the cleavage and polyadenylation factor (CPF) complex, which plays a key role in polyadenylation-dependent pre-mRNA 3'-end formation and cooperates with cleavage factors including the CFIA complex and NAB4/CFIB. May be involved in poly(A)-site recognition. May be involved in the association of the CPF, CPFIA and RNA polymerase II complexes.<ref>PMID:11406596</ref> <ref>PMID:12853609</ref>

<scriptWhenChecked>select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/i7/2i7x_consurf.spt"</scriptWhenChecked>

</jmol>, as determined by [http://consurfdb.tau.ac.il/ ConSurfDB]. You may read the [[Conservation%2C_Evolutionary|explanation]] of the method and the full data available from [http://bental.tau.ac.il/new_ConSurfDB/chain_selection.php?pdb_ID=2ata ConSurf].

<div style="background-color:#fffaf0;">

== Publication Abstract from PubMed ==

Most eukaryotic messenger RNA precursors (pre-mRNAs) undergo extensive maturational processing, including cleavage and polyadenylation at the 3'-end. Despite the characterization of many proteins that are required for the cleavage reaction, the identity of the endonuclease is not known. Recent analyses indicated that the 73-kDa subunit of cleavage and polyadenylation specificity factor (CPSF-73) might be the endonuclease for this and related reactions, although no direct data confirmed this. Here we report the crystal structures of human CPSF-73 at 2.1 A resolution, complexed with zinc ions and a sulphate that might mimic the phosphate group of the substrate, and the related yeast protein CPSF-100 (Ydh1) at 2.5 A resolution. Both CPSF-73 and CPSF-100 contain two domains, a metallo-beta-lactamase domain and a novel beta-CASP (named for metallo-beta-lactamase, CPSF, Artemis, Snm1, Pso2) domain. The active site of CPSF-73, with two zinc ions, is located at the interface of the two domains. Purified recombinant CPSF-73 possesses RNA endonuclease activity, and mutations that disrupt zinc binding in the active site abolish this activity. Our studies provide the first direct experimental evidence that CPSF-73 is the pre-mRNA 3'-end-processing endonuclease.

Polyadenylation factor CPSF-73 is the pre-mRNA 3'-end-processing endonuclease.,Mandel CR, Kaneko S, Zhang H, Gebauer D, Vethantham V, Manley JL, Tong L Nature. 2006 Dec 14;444(7121):953-6. Epub 2006 Nov 26. PMID:17128255<ref>PMID:17128255</ref>

From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>

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<div class="pdbe-citations 2i7x" style="background-color:#fffaf0;"></div>

[[Category: Atcc 18824]]

[[Category: Gebauer, D]]

[[Category: Mandel, C R]]

[[Category: Tong, L]]

[[Category: Zhang, H]]

[[Category: Rna binding protein]]