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4fbh
From Proteopedia
(Difference between revisions)
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| - | [[ | + | ==Structure of RIP from barley seeds== |
| + | <StructureSection load='4fbh' size='340' side='right' caption='[[4fbh]], [[Resolution|resolution]] 2.30Å' scene=''> | ||
| + | == Structural highlights == | ||
| + | <table><tr><td colspan='2'>[[4fbh]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Hordeum_vulgare Hordeum vulgare]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=4FBH OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=4FBH FirstGlance]. <br> | ||
| + | </td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=AMP:ADENOSINE+MONOPHOSPHATE'>AMP</scene></td></tr> | ||
| + | <tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[4fb9|4fb9]], [[4fba|4fba]], [[4fbb|4fbb]], [[4fbc|4fbc]]</td></tr> | ||
| + | <tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/rRNA_N-glycosylase rRNA N-glycosylase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.2.2.22 3.2.2.22] </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=4fbh FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=4fbh OCA], [http://www.rcsb.org/pdb/explore.do?structureId=4fbh RCSB], [http://www.ebi.ac.uk/pdbsum/4fbh PDBsum]</span></td></tr> | ||
| + | </table> | ||
| + | <div style="background-color:#fffaf0;"> | ||
| + | == Publication Abstract from PubMed == | ||
| + | Ribosome-inactivating protein (RIP), a defence protein found in various plants, possesses different chain architectures and activation mechanisms. The RIP from barley (bRIP) is a type I RIP and has sequence features that are divergent from those of type I and type II RIPs from dicotyledonous plants and even the type III RIP from maize. This study presents the first crystal structure of an RIP from a cereal crop, barley, in free, AMP-bound and adenine-bound states. For phasing, a codon-optimized synthetic brip1 gene was used and a vector was constructed to overexpress soluble bRIP fusion proteins; such expression has been verified in a number of cases. The overall structure of bRIP shows folding similar to that observed in other RIPs but also shows significant differences in specific regions, particularly in a switch region that undergoes a structural transition between a 3(10)-helix and a loop depending on the liganded state. The switch region is in a position equivalent to that of a proteolytically susceptible and putative ribosome-binding site in type III RIPs. Thus, the bRIP structure confirms the detailed enzymatic mechanism of this N-glycosidase and reveals a novel activation mechanism for type I RIPs from cereal crops. | ||
| - | + | Structures of the ribosome-inactivating protein from barley seeds reveal a unique activation mechanism.,Lee BG, Kim MK, Kim BW, Suh SW, Song HK Acta Crystallogr D Biol Crystallogr. 2012 Nov;68(Pt 11):1488-500. doi:, 10.1107/S0907444912037110. Epub 2012 Oct 13. PMID:23090398<ref>PMID:23090398</ref> | |
| - | + | From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.<br> | |
| - | + | </div> | |
| - | + | == References == | |
| - | + | <references/> | |
| - | == | + | __TOC__ |
| - | + | </StructureSection> | |
[[Category: Hordeum vulgare]] | [[Category: Hordeum vulgare]] | ||
[[Category: RRNA N-glycosylase]] | [[Category: RRNA N-glycosylase]] | ||
| - | [[Category: Kim, M K | + | [[Category: Kim, M K]] |
| - | [[Category: Lee, B G | + | [[Category: Lee, B G]] |
| - | [[Category: Song, H K | + | [[Category: Song, H K]] |
| - | [[Category: Suh, S W | + | [[Category: Suh, S W]] |
[[Category: Hydrolase]] | [[Category: Hydrolase]] | ||
[[Category: Ribosome]] | [[Category: Ribosome]] | ||
[[Category: Ribosome inactivating protein]] | [[Category: Ribosome inactivating protein]] | ||
[[Category: Rrna n-glycosylase activity]] | [[Category: Rrna n-glycosylase activity]] | ||
Revision as of 16:17, 9 December 2014
Structure of RIP from barley seeds
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