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==The Structure of a Cytotoxic Ribonuclease From the Oocyte of Rana Catesbeiana (Bullfrog)==
==The Structure of a Cytotoxic Ribonuclease From the Oocyte of Rana Catesbeiana (Bullfrog)==
<StructureSection load='1km8' size='340' side='right' caption='[[1km8]], [[Resolution|resolution]] 1.90&Aring;' scene=''>
<StructureSection load='1km8' size='340' side='right'caption='[[1km8]], [[Resolution|resolution]] 1.90&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[1km8]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/American_bullfrog American bullfrog]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1KM8 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1KM8 FirstGlance]. <br>
<table><tr><td colspan='2'>[[1km8]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Lithobates_catesbeianus Lithobates catesbeianus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1KM8 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1KM8 FirstGlance]. <br>
</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=PO4:PHOSPHATE+ION'>PO4</scene></td></tr>
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 1.9&#8491;</td></tr>
<tr id='NonStdRes'><td class="sblockLbl"><b>[[Non-Standard_Residue|NonStd Res:]]</b></td><td class="sblockDat"><scene name='pdbligand=PCA:PYROGLUTAMIC+ACID'>PCA</scene></td></tr>
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=PCA:PYROGLUTAMIC+ACID'>PCA</scene>, <scene name='pdbligand=PO4:PHOSPHATE+ION'>PO4</scene></td></tr>
<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[1bc4|1bc4]], [[1km9|1km9]]</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=1km8 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1km8 OCA], [https://pdbe.org/1km8 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1km8 RCSB], [https://www.ebi.ac.uk/pdbsum/1km8 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1km8 ProSAT]</span></td></tr>
<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Pancreatic_ribonuclease Pancreatic ribonuclease], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.1.27.5 3.1.27.5] </span></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=1km8 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1km8 OCA], [http://pdbe.org/1km8 PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=1km8 RCSB], [http://www.ebi.ac.uk/pdbsum/1km8 PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=1km8 ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
[[http://www.uniprot.org/uniprot/RNASO_LITCT RNASO_LITCT]] Preferentially cleaves single-stranded RNA at pyrimidine residues with a 3'flanking guanine. Hydrolyzes poly(U) and poly(C) as substrates, and prefers the former. The S-lectins in frog eggs may be involved in the fertilization and development of the frog embryo. This lectin agglutinates various animal cells, including normal lymphocytes, erythrocytes, and fibroblasts of animal and human origin. It is cytotoxic against several tumor cells.  
[https://www.uniprot.org/uniprot/RNASO_AQUCT RNASO_AQUCT] Preferentially cleaves single-stranded RNA at pyrimidine residues with a 3'flanking guanine. Hydrolyzes poly(U) and poly(C) as substrates, and prefers the former. The S-lectins in frog eggs may be involved in the fertilization and development of the frog embryo. This lectin agglutinates various animal cells, including normal lymphocytes, erythrocytes, and fibroblasts of animal and human origin. It is cytotoxic against several tumor cells.
== Evolutionary Conservation ==
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
[[Image:Consurf_key_small.gif|200px|right]]
Check<jmol>
Check<jmol>
   <jmolCheckbox>
   <jmolCheckbox>
     <scriptWhenChecked>select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/km/1km8_consurf.spt"</scriptWhenChecked>
     <scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/km/1km8_consurf.spt"</scriptWhenChecked>
     <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
     <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview03.spt</scriptWhenUnchecked>
     <text>to colour the structure by Evolutionary Conservation</text>
     <text>to colour the structure by Evolutionary Conservation</text>
   </jmolCheckbox>
   </jmolCheckbox>
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==See Also==
==See Also==
*[[Ribonuclease|Ribonuclease]]
*[[Ribonuclease 3D structures|Ribonuclease 3D structures]]
*[[Temp|Temp]]
__TOC__
__TOC__
</StructureSection>
</StructureSection>
[[Category: American bullfrog]]
[[Category: Large Structures]]
[[Category: Pancreatic ribonuclease]]
[[Category: Lithobates catesbeianus]]
[[Category: Amiraslanov, I R]]
[[Category: Amiraslanov IR]]
[[Category: Chern, S S]]
[[Category: Chern S-S]]
[[Category: Liao, Y D]]
[[Category: Liao Y-D]]
[[Category: Liaw, Y C]]
[[Category: Liaw Y-C]]
[[Category: Musayev, F N]]
[[Category: Musayev FN]]
[[Category: Hydrolase]]
[[Category: Rc-rnase]]

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