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<StructureSection load='6wx6' size='340' side='right'caption='[[6wx6]], [[Resolution|resolution]] 2.00&Aring;' scene=''>
<StructureSection load='6wx6' size='340' side='right'caption='[[6wx6]], [[Resolution|resolution]] 2.00&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[6wx6]] is a 24 chain structure with sequence from [http://en.wikipedia.org/wiki/Human Human]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=6WX6 OCA]. For a <b>guided tour on the structure components</b> use [http://proteopedia.org/fgij/fg.htm?mol=6WX6 FirstGlance]. <br>
<table><tr><td colspan='2'>[[6wx6]] is a 24 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=6WX6 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=6WX6 FirstGlance]. <br>
</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=CA:CALCIUM+ION'>CA</scene></td></tr>
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">Electron Microscopy, [[Resolution|Resolution]] 2&#8491;</td></tr>
<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">FTL ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 HUMAN])</td></tr>
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=CA:CALCIUM+ION'>CA</scene></td></tr>
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[http://proteopedia.org/fgij/fg.htm?mol=6wx6 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=6wx6 OCA], [http://pdbe.org/6wx6 PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=6wx6 RCSB], [http://www.ebi.ac.uk/pdbsum/6wx6 PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=6wx6 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=6wx6 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=6wx6 OCA], [https://pdbe.org/6wx6 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=6wx6 RCSB], [https://www.ebi.ac.uk/pdbsum/6wx6 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=6wx6 ProSAT]</span></td></tr>
</table>
</table>
== Disease ==
== Disease ==
[[http://www.uniprot.org/uniprot/FRIL_HUMAN FRIL_HUMAN]] Defects in FTL are the cause of hereditary hyperferritinemia-cataract syndrome (HHCS) [MIM:[http://omim.org/entry/600886 600886]]. It is an autosomal dominant disease characterized by early-onset bilateral cataract. Affected patients have elevated level of circulating ferritin. HHCS is caused by mutations in the iron responsive element (IRE) of the FTL gene.<ref>PMID:20159981</ref>  Defects in FTL are the cause of neurodegeneration with brain iron accumulation type 3 (NBIA3) [MIM:[http://omim.org/entry/606159 606159]]; also known as adult-onset basal ganglia disease. It is a movement disorder with heterogeneous presentations starting in the fourth to sixth decade. It is characterized by a variety of neurological signs including parkinsonism, ataxia, corticospinal signs, mild nonprogressive cognitive deficit and episodic psychosis. It is linked with decreased serum ferritin levels.<ref>PMID:20159981</ref> <ref>PMID:16116125</ref>
[https://www.uniprot.org/uniprot/FRIL_HUMAN FRIL_HUMAN] Defects in FTL are the cause of hereditary hyperferritinemia-cataract syndrome (HHCS) [MIM:[https://omim.org/entry/600886 600886]. It is an autosomal dominant disease characterized by early-onset bilateral cataract. Affected patients have elevated level of circulating ferritin. HHCS is caused by mutations in the iron responsive element (IRE) of the FTL gene.<ref>PMID:20159981</ref>  Defects in FTL are the cause of neurodegeneration with brain iron accumulation type 3 (NBIA3) [MIM:[https://omim.org/entry/606159 606159]; also known as adult-onset basal ganglia disease. It is a movement disorder with heterogeneous presentations starting in the fourth to sixth decade. It is characterized by a variety of neurological signs including parkinsonism, ataxia, corticospinal signs, mild nonprogressive cognitive deficit and episodic psychosis. It is linked with decreased serum ferritin levels.<ref>PMID:20159981</ref> <ref>PMID:16116125</ref>  
== Function ==
== Function ==
[[http://www.uniprot.org/uniprot/FRIL_HUMAN FRIL_HUMAN]] Stores iron in a soluble, non-toxic, readily available form. Important for iron homeostasis. Iron is taken up in the ferrous form and deposited as ferric hydroxides after oxidation. Also plays a role in delivery of iron to cells. Mediates iron uptake in capsule cells of the developing kidney (By similarity).<ref>PMID:19923220</ref> <ref>PMID:20159981</ref>
[https://www.uniprot.org/uniprot/FRIL_HUMAN FRIL_HUMAN] Stores iron in a soluble, non-toxic, readily available form. Important for iron homeostasis. Iron is taken up in the ferrous form and deposited as ferric hydroxides after oxidation. Also plays a role in delivery of iron to cells. Mediates iron uptake in capsule cells of the developing kidney (By similarity).<ref>PMID:19923220</ref> <ref>PMID:20159981</ref>  


==See Also==
==See Also==
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__TOC__
__TOC__
</StructureSection>
</StructureSection>
[[Category: Human]]
[[Category: Homo sapiens]]
[[Category: Large Structures]]
[[Category: Large Structures]]
[[Category: Rubinstein, J L]]
[[Category: Rubinstein JL]]
[[Category: Tan, Y Z]]
[[Category: Tan YZ]]
[[Category: Apoferritin]]
[[Category: Back-it-up]]
[[Category: Ferritin]]
[[Category: Light chain]]
[[Category: Metal binding protein]]
[[Category: Through-grid wicking]]

Latest revision as of 17:47, 6 March 2024

Cryo-EM Structure of Human Apoferritin Light Chain Vitrified Using Back-it-upCryo-EM Structure of Human Apoferritin Light Chain Vitrified Using Back-it-up

Structural highlights

6wx6 is a 24 chain structure with sequence from Homo sapiens. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Method:Electron Microscopy, Resolution 2Å
Ligands:
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Disease

FRIL_HUMAN Defects in FTL are the cause of hereditary hyperferritinemia-cataract syndrome (HHCS) [MIM:600886. It is an autosomal dominant disease characterized by early-onset bilateral cataract. Affected patients have elevated level of circulating ferritin. HHCS is caused by mutations in the iron responsive element (IRE) of the FTL gene.[1] Defects in FTL are the cause of neurodegeneration with brain iron accumulation type 3 (NBIA3) [MIM:606159; also known as adult-onset basal ganglia disease. It is a movement disorder with heterogeneous presentations starting in the fourth to sixth decade. It is characterized by a variety of neurological signs including parkinsonism, ataxia, corticospinal signs, mild nonprogressive cognitive deficit and episodic psychosis. It is linked with decreased serum ferritin levels.[2] [3]

Function

FRIL_HUMAN Stores iron in a soluble, non-toxic, readily available form. Important for iron homeostasis. Iron is taken up in the ferrous form and deposited as ferric hydroxides after oxidation. Also plays a role in delivery of iron to cells. Mediates iron uptake in capsule cells of the developing kidney (By similarity).[4] [5]

See Also

References

  1. ↑ Luscieti S, Santambrogio P, Langlois d'Estaintot B, Granier T, Cozzi A, Poli M, Gallois B, Finazzi D, Cattaneo A, Levi S, Arosio P. Mutant ferritin L-chains that cause neurodegeneration act in a dominant-negative manner to reduce ferritin iron incorporation. J Biol Chem. 2010 Apr 16;285(16):11948-57. Epub 2010 Feb 16. PMID:20159981 doi:10.1074/jbc.M109.096404
  2. ↑ Luscieti S, Santambrogio P, Langlois d'Estaintot B, Granier T, Cozzi A, Poli M, Gallois B, Finazzi D, Cattaneo A, Levi S, Arosio P. Mutant ferritin L-chains that cause neurodegeneration act in a dominant-negative manner to reduce ferritin iron incorporation. J Biol Chem. 2010 Apr 16;285(16):11948-57. Epub 2010 Feb 16. PMID:20159981 doi:10.1074/jbc.M109.096404
  3. ↑ Maciel P, Cruz VT, Constante M, Iniesta I, Costa MC, Gallati S, Sousa N, Sequeiros J, Coutinho P, Santos MM. Neuroferritinopathy: missense mutation in FTL causing early-onset bilateral pallidal involvement. Neurology. 2005 Aug 23;65(4):603-5. PMID:16116125 doi:10.1212/01.wnl.0000178224.81169.c2
  4. ↑ Baraibar MA, Muhoberac BB, Garringer HJ, Hurley TD, Vidal R. Unraveling of the E-helices and disruption of 4-fold pores are associated with iron mishandling in a mutant ferritin causing neurodegeneration. J Biol Chem. 2010 Jan 15;285(3):1950-6. Epub 2009 Nov 18. PMID:19923220 doi:10.1074/jbc.M109.042986
  5. ↑ Luscieti S, Santambrogio P, Langlois d'Estaintot B, Granier T, Cozzi A, Poli M, Gallois B, Finazzi D, Cattaneo A, Levi S, Arosio P. Mutant ferritin L-chains that cause neurodegeneration act in a dominant-negative manner to reduce ferritin iron incorporation. J Biol Chem. 2010 Apr 16;285(16):11948-57. Epub 2010 Feb 16. PMID:20159981 doi:10.1074/jbc.M109.096404

6wx6, resolution 2.00Å

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