2bq8

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[[Image:2bq8.png|left|200px]]
 
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{{STRUCTURE_2bq8| PDB=2bq8 | SCENE= }}
{{STRUCTURE_2bq8| PDB=2bq8 | SCENE= }}
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===CRYSTAL STRUCTURE OF HUMAN PURPLE ACID PHOSPHATASE WITH AN INHIBITORY CONFORMATION OF THE REPRESSION LOOP===
===CRYSTAL STRUCTURE OF HUMAN PURPLE ACID PHOSPHATASE WITH AN INHIBITORY CONFORMATION OF THE REPRESSION LOOP===
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{{ABSTRACT_PUBMED_15993892}}
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{{ABSTRACT_PUBMED_15993892}}
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==Disease==
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[[http://www.uniprot.org/uniprot/PPA5_HUMAN PPA5_HUMAN]] Defects in ACP5 are the cause of spondyloenchondrodysplasia with immune dysregulation (SPENCDI) [MIM:[http://omim.org/entry/607944 607944]]. A disease characterized by vertebral and metaphyseal dysplasia, spasticity with cerebral calcifications, and strong predisposition to autoimmune diseases. The skeletal dysplasia is characterized by radiolucent and irregular spondylar and metaphyseal lesions that represent islands of chondroid tissue within bone. Note=ACP5 inactivating mutations result in a functional excess of phosphorylated osteopontin causing deregulation of osteopontin signaling and consequential autoimmune disease.<ref>PMID:21217755</ref><ref>PMID:21217752</ref>
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==Function==
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[[http://www.uniprot.org/uniprot/PPA5_HUMAN PPA5_HUMAN]] Involved in osteopontin/bone sialoprotein dephosphorylation. Its expression seems to increase in certain pathological states such as Gaucher and Hodgkin diseases, the hairy cell, the B-cell, and the T-cell leukemias.
==About this Structure==
==About this Structure==
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==Reference==
==Reference==
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<ref group="xtra">PMID:015993892</ref><references group="xtra"/>
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<ref group="xtra">PMID:015993892</ref><references group="xtra"/><references/>
[[Category: Acid phosphatase]]
[[Category: Acid phosphatase]]
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]

Revision as of 03:00, 25 March 2013

Template:STRUCTURE 2bq8

Contents

CRYSTAL STRUCTURE OF HUMAN PURPLE ACID PHOSPHATASE WITH AN INHIBITORY CONFORMATION OF THE REPRESSION LOOP

Template:ABSTRACT PUBMED 15993892

Disease

[PPA5_HUMAN] Defects in ACP5 are the cause of spondyloenchondrodysplasia with immune dysregulation (SPENCDI) [MIM:607944]. A disease characterized by vertebral and metaphyseal dysplasia, spasticity with cerebral calcifications, and strong predisposition to autoimmune diseases. The skeletal dysplasia is characterized by radiolucent and irregular spondylar and metaphyseal lesions that represent islands of chondroid tissue within bone. Note=ACP5 inactivating mutations result in a functional excess of phosphorylated osteopontin causing deregulation of osteopontin signaling and consequential autoimmune disease.[1][2]

Function

[PPA5_HUMAN] Involved in osteopontin/bone sialoprotein dephosphorylation. Its expression seems to increase in certain pathological states such as Gaucher and Hodgkin diseases, the hairy cell, the B-cell, and the T-cell leukemias.

About this Structure

2bq8 is a 1 chain structure with sequence from Homo sapiens. Full crystallographic information is available from OCA.

See Also

Reference

  • Strater N, Jasper B, Scholte M, Krebs B, Duff AP, Langley DB, Han R, Averill BA, Freeman HC, Guss JM. Crystal structures of recombinant human purple Acid phosphatase with and without an inhibitory conformation of the repression loop. J Mol Biol. 2005 Aug 5;351(1):233-46. Epub 2005 Apr 26. PMID:15993892 doi:10.1016/j.jmb.2005.04.014
  1. ↑ Briggs TA, Rice GI, Daly S, Urquhart J, Gornall H, Bader-Meunier B, Baskar K, Baskar S, Baudouin V, Beresford MW, Black GC, Dearman RJ, de Zegher F, Foster ES, Frances C, Hayman AR, Hilton E, Job-Deslandre C, Kulkarni ML, Le Merrer M, Linglart A, Lovell SC, Maurer K, Musset L, Navarro V, Picard C, Puel A, Rieux-Laucat F, Roifman CM, Scholl-Burgi S, Smith N, Szynkiewicz M, Wiedeman A, Wouters C, Zeef LA, Casanova JL, Elkon KB, Janckila A, Lebon P, Crow YJ. Tartrate-resistant acid phosphatase deficiency causes a bone dysplasia with autoimmunity and a type I interferon expression signature. Nat Genet. 2011 Feb;43(2):127-31. doi: 10.1038/ng.748. Epub 2011 Jan 9. PMID:21217755 doi:10.1038/ng.748
  2. ↑ Lausch E, Janecke A, Bros M, Trojandt S, Alanay Y, De Laet C, Hubner CA, Meinecke P, Nishimura G, Matsuo M, Hirano Y, Tenoutasse S, Kiss A, Rosa RF, Unger SL, Renella R, Bonafe L, Spranger J, Unger S, Zabel B, Superti-Furga A. Genetic deficiency of tartrate-resistant acid phosphatase associated with skeletal dysplasia, cerebral calcifications and autoimmunity. Nat Genet. 2011 Feb;43(2):132-7. doi: 10.1038/ng.749. Epub 2011 Jan 9. PMID:21217752 doi:10.1038/ng.749

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