5d7b: Difference between revisions
New page: '''Unreleased structure''' The entry 5d7b is ON HOLD Authors: Niefind, K., Toelzer, C., Pal, S., Altenbuchner, J., Watzlawick, H. Description: Orthorhombic Crystal Structure of an acet... |
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==Trigonal Crystal Structure of an acetylester hydrolase from Corynebacterium glutamicum== | |||
<StructureSection load='5d7b' size='340' side='right'caption='[[5d7b]], [[Resolution|resolution]] 3.20Å' scene=''> | |||
== Structural highlights == | |||
<table><tr><td colspan='2'>[[5d7b]] is a 2 chain structure with sequence from [https://en.wikipedia.org/wiki/Corynebacterium_glutamicum Corynebacterium glutamicum]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=5D7B OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=5D7B FirstGlance]. <br> | |||
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 3.2Å</td></tr> | |||
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=GOL:GLYCEROL'>GOL</scene></td></tr> | |||
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=5d7b FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=5d7b OCA], [https://pdbe.org/5d7b PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=5d7b RCSB], [https://www.ebi.ac.uk/pdbsum/5d7b PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=5d7b ProSAT]</span></td></tr> | |||
</table> | |||
== Function == | |||
[https://www.uniprot.org/uniprot/Q8NS43_CORGL Q8NS43_CORGL] | |||
<div style="background-color:#fffaf0;"> | |||
== Publication Abstract from PubMed == | |||
MekB from Pseudomonas veronii and CgHle from Corynebacteriumglutamicum belong to the superfamily of alpha/beta-hydrolase fold proteins. Based on sequence comparisons, they are annotated as homoserine transacetylases in popular databases like UNIPROT, PFAM or ESTHER. However, experimentally, MekB and CgHle were shown to be esterases that hydrolyse preferentially acetic acid esters. We describe the x-ray structures of these enzymes solved to high resolution. The overall structures confirm the close relatedness to experimentally validated homoserine acetyl transferases, but simultaneously the structures exclude the ability of MekB and CgHle to bind homoserine and acetyl-CoA. Insofar the MekB and CgHle structures suggest dividing the homoserine transacetylase family into subfamilies, namely genuine acetyl transferases and acetyl esterases with MekB and CgHle as constituting members of the latter. | |||
A novel esterase subfamily with alpha/beta-hydrolase fold suggested by structures of two bacterial enzymes homologous to l-homoserine O-acetyl transferases.,Tolzer C, Pal S, Watzlawick H, Altenbuchner J, Niefind K FEBS Lett. 2016 Jan;590(1):174-84. doi: 10.1002/1873-3468.12031. Epub 2015 Dec, 28. PMID:26787467<ref>PMID:26787467</ref> | |||
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.<br> | |||
[[Category: | </div> | ||
[[Category: | <div class="pdbe-citations 5d7b" style="background-color:#fffaf0;"></div> | ||
[[Category: | == References == | ||
[[Category: Pal | <references/> | ||
[[Category: | __TOC__ | ||
[[Category: | </StructureSection> | ||
[[Category: Corynebacterium glutamicum]] | |||
[[Category: Large Structures]] | |||
[[Category: Altenbuchner J]] | |||
[[Category: Niefind K]] | |||
[[Category: Pal S]] | |||
[[Category: Toelzer C]] | |||
[[Category: Watzlawick H]] | |||
Latest revision as of 14:25, 10 January 2024
Trigonal Crystal Structure of an acetylester hydrolase from Corynebacterium glutamicumTrigonal Crystal Structure of an acetylester hydrolase from Corynebacterium glutamicum
Structural highlights
FunctionPublication Abstract from PubMedMekB from Pseudomonas veronii and CgHle from Corynebacteriumglutamicum belong to the superfamily of alpha/beta-hydrolase fold proteins. Based on sequence comparisons, they are annotated as homoserine transacetylases in popular databases like UNIPROT, PFAM or ESTHER. However, experimentally, MekB and CgHle were shown to be esterases that hydrolyse preferentially acetic acid esters. We describe the x-ray structures of these enzymes solved to high resolution. The overall structures confirm the close relatedness to experimentally validated homoserine acetyl transferases, but simultaneously the structures exclude the ability of MekB and CgHle to bind homoserine and acetyl-CoA. Insofar the MekB and CgHle structures suggest dividing the homoserine transacetylase family into subfamilies, namely genuine acetyl transferases and acetyl esterases with MekB and CgHle as constituting members of the latter. A novel esterase subfamily with alpha/beta-hydrolase fold suggested by structures of two bacterial enzymes homologous to l-homoserine O-acetyl transferases.,Tolzer C, Pal S, Watzlawick H, Altenbuchner J, Niefind K FEBS Lett. 2016 Jan;590(1):174-84. doi: 10.1002/1873-3468.12031. Epub 2015 Dec, 28. PMID:26787467[1] From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine. References
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