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1sz1

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<StructureSection load='1sz1' size='340' side='right'caption='[[1sz1]], [[Resolution|resolution]] 6.21&Aring;' scene=''>
<StructureSection load='1sz1' size='340' side='right'caption='[[1sz1]], [[Resolution|resolution]] 6.21&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
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<table><tr><td colspan='2'>[[1sz1]] is a 4 chain structure with sequence from [http://en.wikipedia.org/wiki/Arcfl Arcfl]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1SZ1 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1SZ1 FirstGlance]. <br>
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<table><tr><td colspan='2'>[[1sz1]] is a 4 chain structure with sequence from [https://en.wikipedia.org/wiki/Arcfl Arcfl]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1SZ1 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1SZ1 FirstGlance]. <br>
</td></tr><tr id='NonStdRes'><td class="sblockLbl"><b>[[Non-Standard_Residue|NonStd Res:]]</b></td><td class="sblockDat"><scene name='pdbligand=1MA:6-HYDRO-1-METHYLADENOSINE-5-MONOPHOSPHATE'>1MA</scene>, <scene name='pdbligand=2MG:2N-METHYLGUANOSINE-5-MONOPHOSPHATE'>2MG</scene>, <scene name='pdbligand=5MC:5-METHYLCYTIDINE-5-MONOPHOSPHATE'>5MC</scene>, <scene name='pdbligand=5MU:5-METHYLURIDINE+5-MONOPHOSPHATE'>5MU</scene>, <scene name='pdbligand=7MG:7N-METHYL-8-HYDROGUANOSINE-5-MONOPHOSPHATE'>7MG</scene>, <scene name='pdbligand=H2U:5,6-DIHYDROURIDINE-5-MONOPHOSPHATE'>H2U</scene>, <scene name='pdbligand=M2G:N2-DIMETHYLGUANOSINE-5-MONOPHOSPHATE'>M2G</scene>, <scene name='pdbligand=OMC:O2-METHYLYCYTIDINE-5-MONOPHOSPHATE'>OMC</scene>, <scene name='pdbligand=OMG:O2-METHYLGUANOSINE-5-MONOPHOSPHATE'>OMG</scene>, <scene name='pdbligand=PSU:PSEUDOURIDINE-5-MONOPHOSPHATE'>PSU</scene>, <scene name='pdbligand=YG:WYBUTOSINE'>YG</scene></td></tr>
</td></tr><tr id='NonStdRes'><td class="sblockLbl"><b>[[Non-Standard_Residue|NonStd Res:]]</b></td><td class="sblockDat"><scene name='pdbligand=1MA:6-HYDRO-1-METHYLADENOSINE-5-MONOPHOSPHATE'>1MA</scene>, <scene name='pdbligand=2MG:2N-METHYLGUANOSINE-5-MONOPHOSPHATE'>2MG</scene>, <scene name='pdbligand=5MC:5-METHYLCYTIDINE-5-MONOPHOSPHATE'>5MC</scene>, <scene name='pdbligand=5MU:5-METHYLURIDINE+5-MONOPHOSPHATE'>5MU</scene>, <scene name='pdbligand=7MG:7N-METHYL-8-HYDROGUANOSINE-5-MONOPHOSPHATE'>7MG</scene>, <scene name='pdbligand=H2U:5,6-DIHYDROURIDINE-5-MONOPHOSPHATE'>H2U</scene>, <scene name='pdbligand=M2G:N2-DIMETHYLGUANOSINE-5-MONOPHOSPHATE'>M2G</scene>, <scene name='pdbligand=OMC:O2-METHYLYCYTIDINE-5-MONOPHOSPHATE'>OMC</scene>, <scene name='pdbligand=OMG:O2-METHYLGUANOSINE-5-MONOPHOSPHATE'>OMG</scene>, <scene name='pdbligand=PSU:PSEUDOURIDINE-5-MONOPHOSPHATE'>PSU</scene>, <scene name='pdbligand=YG:WYBUTOSINE'>YG</scene></td></tr>
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<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[1tfw|1tfw]], [[1tfy|1tfy]]</td></tr>
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<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat"><div style='overflow: auto; max-height: 3em;'>[[1tfw|1tfw]], [[1tfy|1tfy]]</div></td></tr>
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<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/CCA_tRNA_nucleotidyltransferase CCA tRNA nucleotidyltransferase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=2.7.7.72 2.7.7.72] </span></td></tr>
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<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[https://en.wikipedia.org/wiki/CCA_tRNA_nucleotidyltransferase CCA tRNA nucleotidyltransferase], with EC number [https://www.brenda-enzymes.info/php/result_flat.php4?ecno=2.7.7.72 2.7.7.72] </span></td></tr>
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<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=1sz1 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1sz1 OCA], [http://pdbe.org/1sz1 PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=1sz1 RCSB], [http://www.ebi.ac.uk/pdbsum/1sz1 PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=1sz1 ProSAT]</span></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=1sz1 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1sz1 OCA], [https://pdbe.org/1sz1 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1sz1 RCSB], [https://www.ebi.ac.uk/pdbsum/1sz1 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1sz1 ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
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[[http://www.uniprot.org/uniprot/CCA_ARCFU CCA_ARCFU]] Catalyzes the addition and repair of the essential 3'-terminal CCA sequence in tRNAs without using a nucleic acid template. Adds these three nucleotides in the order of C, C, and A to the tRNA nucleotide-73, using CTP and ATP as substrates and producing inorganic pyrophosphate.<ref>PMID:14592988</ref>
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[[https://www.uniprot.org/uniprot/CCA_ARCFU CCA_ARCFU]] Catalyzes the addition and repair of the essential 3'-terminal CCA sequence in tRNAs without using a nucleic acid template. Adds these three nucleotides in the order of C, C, and A to the tRNA nucleotide-73, using CTP and ATP as substrates and producing inorganic pyrophosphate.<ref>PMID:14592988</ref>
== Evolutionary Conservation ==
== Evolutionary Conservation ==
[[Image:Consurf_key_small.gif|200px|right]]
[[Image:Consurf_key_small.gif|200px|right]]

Revision as of 07:39, 22 September 2021

Mechanism of CCA-adding enzymes specificity revealed by crystal structures of ternary complexes

PDB ID 1sz1

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