2qoj: Difference between revisions

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<StructureSection load='2qoj' size='340' side='right'caption='[[2qoj]], [[Resolution|resolution]] 2.40&Aring;' scene=''>
<StructureSection load='2qoj' size='340' side='right'caption='[[2qoj]], [[Resolution|resolution]] 2.40&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[2qoj]] is a 3 chain structure with sequence from [https://en.wikipedia.org/wiki/Emericella_nidulans Emericella nidulans]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2QOJ OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2QOJ FirstGlance]. <br>
<table><tr><td colspan='2'>[[2qoj]] is a 3 chain structure with sequence from [https://en.wikipedia.org/wiki/A._nidulans A. nidulans]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2QOJ OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=2QOJ FirstGlance]. <br>
</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene></td></tr>
</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=MG:MAGNESIUM+ION'>MG</scene></td></tr>
<tr id='NonStdRes'><td class="sblockLbl"><b>[[Non-Standard_Residue|NonStd Res:]]</b></td><td class="sblockDat"><scene name='pdbligand=MSE:SELENOMETHIONINE'>MSE</scene></td></tr>
<tr id='NonStdRes'><td class="sblockLbl"><b>[[Non-Standard_Residue|NonStd Res:]]</b></td><td class="sblockDat"><scene name='pdbligand=MSE:SELENOMETHIONINE'>MSE</scene></td></tr>
<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat"><div style='overflow: auto; max-height: 3em;'>[[1p8k|1p8k]]</div></td></tr>
<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat"><div style='overflow: auto; max-height: 3em;'>[[1p8k|1p8k]]</div></td></tr>
<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">I-AniI ([https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=162425 Emericella nidulans])</td></tr>
<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">ANID_20006 ([https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=162425 A. nidulans])</td></tr>
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=2qoj FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2qoj OCA], [https://pdbe.org/2qoj PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2qoj RCSB], [https://www.ebi.ac.uk/pdbsum/2qoj PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2qoj ProSAT]</span></td></tr>
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=2qoj FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2qoj OCA], [https://pdbe.org/2qoj PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=2qoj RCSB], [https://www.ebi.ac.uk/pdbsum/2qoj PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=2qoj ProSAT]</span></td></tr>
</table>
</table>
== Function ==
[[https://www.uniprot.org/uniprot/ANI1_EMEND ANI1_EMEND]] Mitochondrial DNA endonuclease and mRNA maturase involved in intron homing and required for splicing of the cytochrome b (cobA) gene intron, containing its own coding sequence. The protein stimulates the intrinsic ribozyme activity of the intron through binding to and stabilizing specific secondary and tertiary structure elements in the RNA. As an endonuclease it introduces a specific double-strand break at the junction of the two exons the cobA gene and thus mediates the insertion of an intron, containing its own coding sequence (group I intron), into an intronless gene. Recognizes with limited specificity and cleaves the sequence 5'-GAGGAGGTTTCTCTGTA-3'. The proteins RNA and DNA recognition and binding surfaces are independent.<ref>PMID:9256423</ref> <ref>PMID:10512698</ref> <ref>PMID:12758073</ref> 
== Evolutionary Conservation ==
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
[[Image:Consurf_key_small.gif|200px|right]]
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__TOC__
__TOC__
</StructureSection>
</StructureSection>
[[Category: Emericella nidulans]]
[[Category: A. nidulans]]
[[Category: Large Structures]]
[[Category: Large Structures]]
[[Category: Scalley-Kim, M]]
[[Category: Scalley-Kim, M]]

Revision as of 18:40, 20 October 2021

Coevolution of a homing endonuclease and its host target sequence

2qoj, resolution 2.40Å

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