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1q2r
From Proteopedia
(Difference between revisions)
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== Structural highlights == | == Structural highlights == | ||
<table><tr><td colspan='2'>[[1q2r]] is a 6 chain structure with sequence from [http://en.wikipedia.org/wiki/Zymomonas_mobilis Zymomonas mobilis]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1Q2R OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1Q2R FirstGlance]. <br> | <table><tr><td colspan='2'>[[1q2r]] is a 6 chain structure with sequence from [http://en.wikipedia.org/wiki/Zymomonas_mobilis Zymomonas mobilis]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1Q2R OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1Q2R FirstGlance]. <br> | ||
| - | </td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=9DG:9-DEAZAGUANINE'>9DG</scene>, <scene name='pdbligand=ZN:ZINC+ION'>ZN</scene>< | + | </td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=9DG:9-DEAZAGUANINE'>9DG</scene>, <scene name='pdbligand=ZN:ZINC+ION'>ZN</scene></td></tr> |
| - | <tr><td class="sblockLbl"><b>[[Non-Standard_Residue|NonStd Res:]]</b></td><td class="sblockDat"><scene name='pdbligand=N:ANY+5-MONOPHOSPHATE+NUCLEOTIDE'>N</scene></td></tr> | + | <tr id='NonStdRes'><td class="sblockLbl"><b>[[Non-Standard_Residue|NonStd Res:]]</b></td><td class="sblockDat"><scene name='pdbligand=N:ANY+5-MONOPHOSPHATE+NUCLEOTIDE'>N</scene></td></tr> |
| - | <tr><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[1q2s|1q2s]]</td></tr> | + | <tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[1q2s|1q2s]]</td></tr> |
| - | <tr><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">TGT ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=542 Zymomonas mobilis])</td></tr> | + | <tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">TGT ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=542 Zymomonas mobilis])</td></tr> |
| - | <tr><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/tRNA-guanine_transglycosylase tRNA-guanine transglycosylase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=2.4.2.29 2.4.2.29] </span></td></tr> | + | <tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/tRNA-guanine_transglycosylase tRNA-guanine transglycosylase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=2.4.2.29 2.4.2.29] </span></td></tr> |
| - | <tr><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1q2r FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1q2r OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1q2r RCSB], [http://www.ebi.ac.uk/pdbsum/1q2r PDBsum]</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=1q2r FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1q2r OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1q2r RCSB], [http://www.ebi.ac.uk/pdbsum/1q2r PDBsum]</span></td></tr> |
| - | <table> | + | </table> |
| + | == Function == | ||
| + | [[http://www.uniprot.org/uniprot/TGT_ZYMMO TGT_ZYMMO]] Exchanges the guanine residue with 7-aminomethyl-7-deazaguanine in tRNAs with GU(N) anticodons (tRNA-Asp, -Asn, -His and -Tyr). After this exchange, a cyclopentendiol moiety is attached to the 7-aminomethyl group of 7-deazaguanine, resulting in the hypermodified nucleoside queuosine (Q) (7-(((4,5-cis-dihydroxy-2-cyclopenten-1-yl)amino)methyl)-7-deazaguanosine).[HAMAP-Rule:MF_00168] | ||
== Evolutionary Conservation == | == Evolutionary Conservation == | ||
[[Image:Consurf_key_small.gif|200px|right]] | [[Image:Consurf_key_small.gif|200px|right]] | ||
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[[Category: Zymomonas mobilis]] | [[Category: Zymomonas mobilis]] | ||
[[Category: TRNA-guanine transglycosylase]] | [[Category: TRNA-guanine transglycosylase]] | ||
| - | [[Category: Huang, R H | + | [[Category: Huang, R H]] |
| - | [[Category: Liu, X | + | [[Category: Liu, X]] |
| - | [[Category: Xie, W | + | [[Category: Xie, W]] |
[[Category: Covalent intermediate]] | [[Category: Covalent intermediate]] | ||
[[Category: Protein-rna complex]] | [[Category: Protein-rna complex]] | ||
[[Category: Tim barrel]] | [[Category: Tim barrel]] | ||
[[Category: Transferase-rna complex]] | [[Category: Transferase-rna complex]] | ||
Revision as of 22:40, 25 December 2014
Chemical trapping and crystal structure of a catalytic tRNA guanine transglycosylase covalent intermediate
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