3t1d
From Proteopedia
(Difference between revisions)
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<StructureSection load='3t1d' size='340' side='right'caption='[[3t1d]], [[Resolution|resolution]] 2.30Å' scene=''> | <StructureSection load='3t1d' size='340' side='right'caption='[[3t1d]], [[Resolution|resolution]] 2.30Å' scene=''> | ||
== Structural highlights == | == Structural highlights == | ||
| - | <table><tr><td colspan='2'>[[3t1d]] is a 3 chain structure with sequence from [https://en.wikipedia.org/wiki/ | + | <table><tr><td colspan='2'>[[3t1d]] is a 3 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3T1D OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3T1D FirstGlance]. <br> |
| - | </td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=CL:CHLORIDE+ION'>CL</scene>, <scene name='pdbligand=DBH:2,3-DIHYDROXY-BENZOIC+ACID'>DBH</scene>, <scene name='pdbligand=DBS:2-(2,3-DIHYDROXY-BENZOYLAMINO)-3-HYDROXY-PROPIONIC+ACID'>DBS</scene>, <scene name='pdbligand=GOL:GLYCEROL'>GOL</scene>, <scene name='pdbligand=TD1:O-[(2S)-2-AMINO-3-HYDROXYPROPANOYL]-N-(2,3-DIHYDROXYBENZOYL)-L-SERINE'>TD1</scene>, <scene name='pdbligand=UNX:UNKNOWN+ATOM+OR+ION'>UNX</scene> | + | </td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 2.3Å</td></tr> |
| - | + | <tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=CL:CHLORIDE+ION'>CL</scene>, <scene name='pdbligand=DBH:2,3-DIHYDROXY-BENZOIC+ACID'>DBH</scene>, <scene name='pdbligand=DBS:2-(2,3-DIHYDROXY-BENZOYLAMINO)-3-HYDROXY-PROPIONIC+ACID'>DBS</scene>, <scene name='pdbligand=GOL:GLYCEROL'>GOL</scene>, <scene name='pdbligand=TD1:O-[(2S)-2-AMINO-3-HYDROXYPROPANOYL]-N-(2,3-DIHYDROXYBENZOYL)-L-SERINE'>TD1</scene>, <scene name='pdbligand=UNX:UNKNOWN+ATOM+OR+ION'>UNX</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=3t1d FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3t1d OCA], [https://pdbe.org/3t1d PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3t1d RCSB], [https://www.ebi.ac.uk/pdbsum/3t1d PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3t1d ProSAT]</span></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=3t1d FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3t1d OCA], [https://pdbe.org/3t1d PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3t1d RCSB], [https://www.ebi.ac.uk/pdbsum/3t1d PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3t1d ProSAT]</span></td></tr> | ||
</table> | </table> | ||
== Function == | == Function == | ||
| - | + | [https://www.uniprot.org/uniprot/NGAL_HUMAN NGAL_HUMAN] Iron-trafficking protein involved in multiple processes such as apoptosis, innate immunity and renal development. Binds iron through association with 2,5-dihydroxybenzoic acid (2,5-DHBA), a siderophore that shares structural similarities with bacterial enterobactin, and delivers or removes iron from the cell, depending on the context. Iron-bound form (holo-24p3) is internalized following binding to the SLC22A17 (24p3R) receptor, leading to release of iron and subsequent increase of intracellular iron concentration. In contrast, association of the iron-free form (apo-24p3) with the SLC22A17 (24p3R) receptor is followed by association with an intracellular siderophore, iron chelation and iron transfer to the extracellular medium, thereby reducing intracellular iron concentration. Involved in apoptosis due to interleukin-3 (IL3) deprivation: iron-loaded form increases intracellular iron concentration without promoting apoptosis, while iron-free form decreases intracellular iron levels, inducing expression of the proapoptotic protein BCL2L11/BIM, resulting in apoptosis. Involved in innate immunity, possibly by sequestrating iron, leading to limit bacterial growth.<ref>PMID:12453413</ref> | |
==See Also== | ==See Also== | ||
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__TOC__ | __TOC__ | ||
</StructureSection> | </StructureSection> | ||
| - | [[Category: | + | [[Category: Homo sapiens]] |
[[Category: Large Structures]] | [[Category: Large Structures]] | ||
[[Category: Structural genomic]] | [[Category: Structural genomic]] | ||
| - | [[Category: Antimicrobial protein]] | ||
| - | [[Category: Beta-barrel]] | ||
| - | [[Category: R81a]] | ||
| - | [[Category: Siderocalin]] | ||
| - | [[Category: Ssgcid]] | ||
| - | [[Category: W79a]] | ||
| - | [[Category: Y106f]] | ||
Revision as of 12:46, 26 July 2023
The mutant structure of human Siderocalin W79A, R81A, Y106F bound to Enterobactin
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