3rfa
From Proteopedia
(Difference between revisions)
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==X-ray structure of RlmN from Escherichia coli in complex with S-adenosylmethionine== | ==X-ray structure of RlmN from Escherichia coli in complex with S-adenosylmethionine== | ||
- | <StructureSection load='3rfa' size='340' side='right' caption='[[3rfa]], [[Resolution|resolution]] 2.05Å' scene=''> | + | <StructureSection load='3rfa' size='340' side='right'caption='[[3rfa]], [[Resolution|resolution]] 2.05Å' scene=''> |
== Structural highlights == | == Structural highlights == | ||
- | <table><tr><td colspan='2'>[[3rfa]] is a 2 chain structure with sequence from [ | + | <table><tr><td colspan='2'>[[3rfa]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Ecoli Ecoli]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3RFA OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3RFA FirstGlance]. <br> |
- | </td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=SAM:S-ADENOSYLMETHIONINE'>SAM</scene>, <scene name='pdbligand=SF4:IRON/SULFUR+CLUSTER'>SF4</scene></td></tr> | + | </td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=SAM:S-ADENOSYLMETHIONINE'>SAM</scene>, <scene name='pdbligand=SF4:IRON/SULFUR+CLUSTER'>SF4</scene></td></tr> |
<tr id='NonStdRes'><td class="sblockLbl"><b>[[Non-Standard_Residue|NonStd Res:]]</b></td><td class="sblockDat"><scene name='pdbligand=SMC:S-METHYLCYSTEINE'>SMC</scene></td></tr> | <tr id='NonStdRes'><td class="sblockLbl"><b>[[Non-Standard_Residue|NonStd Res:]]</b></td><td class="sblockDat"><scene name='pdbligand=SMC:S-METHYLCYSTEINE'>SMC</scene></td></tr> | ||
- | <tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[3rf9|3rf9]]</td></tr> | + | <tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat"><div style='overflow: auto; max-height: 3em;'>[[3rf9|3rf9]]</div></td></tr> |
- | <tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">rlmN, yfgB, b2517, JW2501 ([ | + | <tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">rlmN, yfgB, b2517, JW2501 ([https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=83333 ECOLI])</td></tr> |
- | <tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[ | + | <tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[https://en.wikipedia.org/wiki/23S_rRNA_(adenine(2503)-C(2))-methyltransferase 23S rRNA (adenine(2503)-C(2))-methyltransferase], with EC number [https://www.brenda-enzymes.info/php/result_flat.php4?ecno=2.1.1.192 2.1.1.192] </span></td></tr> |
- | <tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[ | + | <tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=3rfa FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3rfa OCA], [https://pdbe.org/3rfa PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3rfa RCSB], [https://www.ebi.ac.uk/pdbsum/3rfa PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3rfa ProSAT]</span></td></tr> |
</table> | </table> | ||
== Function == | == Function == | ||
- | [[ | + | [[https://www.uniprot.org/uniprot/RLMN_ECOLI RLMN_ECOLI]] Specifically methylates position 2 of adenine 2503 in 23S rRNA and position 2 of adenine 37 in tRNAs. m2A2503 modification seems to play a crucial role in the proofreading step occurring at the peptidyl transferase center and thus would serve to optimize ribosomal fidelity. Unmodified tRNA is not a suitable substrate for RlmN, which suggests that RlmN works in a late step during tRNA maturation.<ref>PMID:18025251</ref> <ref>PMID:21415317</ref> <ref>PMID:22891362</ref> |
<div style="background-color:#fffaf0;"> | <div style="background-color:#fffaf0;"> | ||
== Publication Abstract from PubMed == | == Publication Abstract from PubMed == | ||
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</StructureSection> | </StructureSection> | ||
[[Category: Ecoli]] | [[Category: Ecoli]] | ||
+ | [[Category: Large Structures]] | ||
[[Category: Boal, A K]] | [[Category: Boal, A K]] | ||
[[Category: Booker, S J]] | [[Category: Booker, S J]] |
Revision as of 06:01, 15 June 2022
X-ray structure of RlmN from Escherichia coli in complex with S-adenosylmethionine
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