This old version of Proteopedia is provided for student assignments while the new version is undergoing repairs. Content and edits done in this old version of Proteopedia after March 1, 2026 will eventually be lost when it is retired in about June of 2026.
Apply for new accounts at the new Proteopedia. Your logins will work in both the old and new versions.
1k2x
From Proteopedia
(Difference between revisions)
| Line 3: | Line 3: | ||
== Structural highlights == | == Structural highlights == | ||
<table><tr><td colspan='2'>[[1k2x]] is a 4 chain structure with sequence from [http://en.wikipedia.org/wiki/Escherichia_coli Escherichia coli]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1K2X OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1K2X FirstGlance]. <br> | <table><tr><td colspan='2'>[[1k2x]] is a 4 chain structure with sequence from [http://en.wikipedia.org/wiki/Escherichia_coli Escherichia coli]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1K2X OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1K2X FirstGlance]. <br> | ||
| - | </td></tr><tr><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=CL:CHLORIDE+ION'>CL</scene>, <scene name='pdbligand=NA:SODIUM+ION'>NA</scene>< | + | </td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=CL:CHLORIDE+ION'>CL</scene>, <scene name='pdbligand=NA:SODIUM+ION'>NA</scene></td></tr> |
| - | <tr><td class="sblockLbl"><b>[[Non-Standard_Residue|NonStd Res:]]</b></td><td class="sblockDat"><scene name='pdbligand=CME:S,S-(2-HYDROXYETHYL)THIOCYSTEINE'>CME</scene></td></tr> | + | <tr id='NonStdRes'><td class="sblockLbl"><b>[[Non-Standard_Residue|NonStd Res:]]</b></td><td class="sblockDat"><scene name='pdbligand=CME:S,S-(2-HYDROXYETHYL)THIOCYSTEINE'>CME</scene></td></tr> |
| - | <tr><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[1jn9|1jn9]], [[1apz|1apz]], [[1ayy|1ayy]], [[2gac|2gac]], [[2gaw|2gaw]], [[9gaa|9gaa]], [[9gac|9gac]], [[9gaf|9gaf]], [[1apy|1apy]]</td></tr> | + | <tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[1jn9|1jn9]], [[1apz|1apz]], [[1ayy|1ayy]], [[2gac|2gac]], [[2gaw|2gaw]], [[9gaa|9gaa]], [[9gac|9gac]], [[9gaf|9gaf]], [[1apy|1apy]]</td></tr> |
| - | <tr><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">ybiK ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=562 Escherichia coli])</td></tr> | + | <tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">ybiK ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=562 Escherichia coli])</td></tr> |
| - | <tr><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Asparaginase Asparaginase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.5.1.1 3.5.1.1] </span></td></tr> | + | <tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Asparaginase Asparaginase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=3.5.1.1 3.5.1.1] </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=1k2x FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1k2x OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1k2x RCSB], [http://www.ebi.ac.uk/pdbsum/1k2x 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=1k2x FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1k2x OCA], [http://www.rcsb.org/pdb/explore.do?structureId=1k2x RCSB], [http://www.ebi.ac.uk/pdbsum/1k2x PDBsum]</span></td></tr> |
| - | <table> | + | </table> |
| + | == Function == | ||
| + | [[http://www.uniprot.org/uniprot/ASGX_ECOLI ASGX_ECOLI]] Degrades proteins damaged by L-isoaspartyl residue formation (also known as beta-Asp residues). Degrades L-isoaspartyl-containing di- and maybe also tripeptides. Also has L-asparaginase activity, although this may not be its principal function.<ref>PMID:11988085</ref> <ref>PMID:12007658</ref> May be involved in glutathione, and possibly other peptide, transport, although these results could also be due to polar effects of disruption.<ref>PMID:11988085</ref> <ref>PMID:12007658</ref> | ||
== Evolutionary Conservation == | == Evolutionary Conservation == | ||
[[Image:Consurf_key_small.gif|200px|right]] | [[Image:Consurf_key_small.gif|200px|right]] | ||
| Line 34: | Line 36: | ||
[[Category: Asparaginase]] | [[Category: Asparaginase]] | ||
[[Category: Escherichia coli]] | [[Category: Escherichia coli]] | ||
| - | [[Category: Borek, D | + | [[Category: Borek, D]] |
| - | [[Category: Jaskolski, M | + | [[Category: Jaskolski, M]] |
[[Category: Asparginase]] | [[Category: Asparginase]] | ||
[[Category: Autoproteolysis]] | [[Category: Autoproteolysis]] | ||
[[Category: Hydrolase]] | [[Category: Hydrolase]] | ||
[[Category: Ntn hydrolase]] | [[Category: Ntn hydrolase]] | ||
Revision as of 08:39, 25 December 2014
Crystal structure of putative asparaginase encoded by Escherichia coli ybiK gene
| |||||||||||

