1agi

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[[Image:1agi.png|left|200px]]
 
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{{STRUCTURE_1agi| PDB=1agi | SCENE= }}
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==CRYSTAL STRUCTURE OF BOVINE ANGIOGENIN AT 1.5 ANGSTROMS RESOLUTION==
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<StructureSection load='1agi' size='340' side='right'caption='[[1agi]], [[Resolution|resolution]] 1.50&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1agi]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Bos_taurus Bos taurus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1AGI OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1AGI FirstGlance]. <br>
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</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 1.5&#8491;</td></tr>
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=1agi FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1agi OCA], [https://pdbe.org/1agi PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1agi RCSB], [https://www.ebi.ac.uk/pdbsum/1agi PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1agi ProSAT]</span></td></tr>
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</table>
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== Function ==
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[https://www.uniprot.org/uniprot/ANG1_BOVIN ANG1_BOVIN] May function as a tRNA-specific ribonuclease that abolishes protein synthesis by specifically hydrolyzing cellular tRNAs. Binds to actin on the surface of endothelial cells; once bound, angiogenin is endocytosed and translocated to the nucleus. Angiogenin induces vascularization of normal and malignant tissues. Angiogenic activity is regulated by interaction with RNH1 in vivo. Has very low ribonuclease activity.
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== Evolutionary Conservation ==
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[[Image:Consurf_key_small.gif|200px|right]]
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Check<jmol>
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<jmolCheckbox>
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<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/ag/1agi_consurf.spt"</scriptWhenChecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview03.spt</scriptWhenUnchecked>
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<text>to colour the structure by Evolutionary Conservation</text>
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</jmolCheckbox>
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</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/main_output.php?pdb_ID=1agi ConSurf].
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<div style="clear:both"></div>
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<div style="background-color:#fffaf0;">
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== Publication Abstract from PubMed ==
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The capacity of angiogenin (Ang) to induce blood vessel growth is critically dependent on its ribonucleolytic activity. Crystallography and mutagenesis of human Ang have previously shown that its pyrimidine binding site is obstructed by Gln-117, implying that a conformational change is a key part of the mechanism of Ang action. The 1.5-A-resolution crystal structure of bovine Ang, in which glutamic acid is substituted for Gln-117, now confirms that a blocked active site is characteristic of these proteins. Indeed, the inactive conformation of bovine Ang is stabilized by a more extensive set of interactions than is that of human Ang. The three-dimensional structure of the putative receptor binding site is also well conserved in the two proteins. The Arg-Gly-Asp segment of this site in bovine Ang, which is replaced by Arg-Glu-Asn in human Ang, does not have a conformation typical of an integrin recognition site.
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===CRYSTAL STRUCTURE OF BOVINE ANGIOGENIN AT 1.5 ANGSTROMS RESOLUTION===
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Crystal structure of bovine angiogenin at 1.5-A resolution.,Acharya KR, Shapiro R, Riordan JF, Vallee BL Proc Natl Acad Sci U S A. 1995 Mar 28;92(7):2949-53. PMID:7708754<ref>PMID:7708754</ref>
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{{ABSTRACT_PUBMED_7708754}}
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From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
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</div>
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==About this Structure==
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<div class="pdbe-citations 1agi" style="background-color:#fffaf0;"></div>
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[[1agi]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Bos_taurus Bos taurus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1AGI OCA].
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==See Also==
==See Also==
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*[[Ribonuclease|Ribonuclease]]
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*[[Ribonuclease 3D structures|Ribonuclease 3D structures]]
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== References ==
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==Reference==
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<references/>
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<ref group="xtra">PMID:007708754</ref><references group="xtra"/>
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__TOC__
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</StructureSection>
[[Category: Bos taurus]]
[[Category: Bos taurus]]
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[[Category: Acharya, K R.]]
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[[Category: Large Structures]]
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[[Category: Riordan, J F.]]
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[[Category: Acharya KR]]
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[[Category: Shapiro, R.]]
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[[Category: Riordan JF]]
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[[Category: Vallee, B L.]]
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[[Category: Shapiro R]]
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[[Category: Endonuclease]]
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[[Category: Vallee BL]]

Current revision

CRYSTAL STRUCTURE OF BOVINE ANGIOGENIN AT 1.5 ANGSTROMS RESOLUTION

PDB ID 1agi

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