3apm

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[[Image:3apm.png|left|200px]]
 
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{{STRUCTURE_3apm| PDB=3apm | SCENE= }}
{{STRUCTURE_3apm| PDB=3apm | SCENE= }}
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===Crystal structure of the human SNP PAD4 protein===
===Crystal structure of the human SNP PAD4 protein===
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{{ABSTRACT_PUBMED_21245532}}
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==Disease==
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[[http://www.uniprot.org/uniprot/PADI4_HUMAN PADI4_HUMAN]] Genetic variations in PADI4 are a cause of susceptibility to rheumatoid arthritis (RA) [MIM:[http://omim.org/entry/180300 180300]]. It is a systemic inflammatory disease with autoimmune features and a complex genetic component. It primarily affects the joints and is characterized by inflammatory changes in the synovial membranes and articular structures, widespread fibrinoid degeneration of the collagen fibers in mesenchymal tissues, and by atrophy and rarefaction of bony structures. Note=Could have an important role in the pathogenesis of rheumatoid arthritis by increasing citrullination of proteins in rheumatoid arthritis synovial tissues, leading, in a cytokine-rich milieu, to a break in tolerance to citrullinated peptides processed and presented in the appropriate HLA context.<ref>PMID:12833157</ref>
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==Function==
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[[http://www.uniprot.org/uniprot/PADI4_HUMAN PADI4_HUMAN]] Catalyzes the citrullination/deimination of arginine residues of proteins. Citrullinates histone H3 at 'Arg-8' and/or 'Arg-17' and histone H4 at 'Arg-3', which prevents their methylation by CARM1 and HRMT1L2/PRMT1 and represses transcription. Citrullinates EP300/P300 at 'Arg-2142', which favors its interaction with NCOA2/GRIP1.<ref>PMID:15339660</ref><ref>PMID:15345777</ref>
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(as it appears on PubMed at http://www.pubmed.gov), where 21245532 is the PubMed ID number.
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{{ABSTRACT_PUBMED_21245532}}
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==About this Structure==
==About this Structure==
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==Reference==
==Reference==
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<ref group="xtra">PMID:021245532</ref><references group="xtra"/>
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<ref group="xtra">PMID:021245532</ref><references group="xtra"/><references/>
[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
[[Category: Protein-arginine deiminase]]
[[Category: Protein-arginine deiminase]]

Revision as of 23:00, 24 March 2013

Template:STRUCTURE 3apm

Contents

Crystal structure of the human SNP PAD4 protein

Template:ABSTRACT PUBMED 21245532

Disease

[PADI4_HUMAN] Genetic variations in PADI4 are a cause of susceptibility to rheumatoid arthritis (RA) [MIM:180300]. It is a systemic inflammatory disease with autoimmune features and a complex genetic component. It primarily affects the joints and is characterized by inflammatory changes in the synovial membranes and articular structures, widespread fibrinoid degeneration of the collagen fibers in mesenchymal tissues, and by atrophy and rarefaction of bony structures. Note=Could have an important role in the pathogenesis of rheumatoid arthritis by increasing citrullination of proteins in rheumatoid arthritis synovial tissues, leading, in a cytokine-rich milieu, to a break in tolerance to citrullinated peptides processed and presented in the appropriate HLA context.[1]

Function

[PADI4_HUMAN] Catalyzes the citrullination/deimination of arginine residues of proteins. Citrullinates histone H3 at 'Arg-8' and/or 'Arg-17' and histone H4 at 'Arg-3', which prevents their methylation by CARM1 and HRMT1L2/PRMT1 and represses transcription. Citrullinates EP300/P300 at 'Arg-2142', which favors its interaction with NCOA2/GRIP1.[2][3]

About this Structure

3apm is a 1 chain structure with sequence from Homo sapiens. Full crystallographic information is available from OCA.

Reference

  • Horikoshi N, Tachiwana H, Saito K, Osakabe A, Sato M, Yamada M, Akashi S, Nishimura Y, Kagawa W, Kurumizaka H. Structural and biochemical analyses of the human PAD4 variant encoded by a functional haplotype gene. Acta Crystallogr D Biol Crystallogr. 2011 Feb;67(Pt 2):112-8. Epub 2011, Jan 8. PMID:21245532 doi:10.1107/S0907444910051711
  1. Suzuki A, Yamada R, Chang X, Tokuhiro S, Sawada T, Suzuki M, Nagasaki M, Nakayama-Hamada M, Kawaida R, Ono M, Ohtsuki M, Furukawa H, Yoshino S, Yukioka M, Tohma S, Matsubara T, Wakitani S, Teshima R, Nishioka Y, Sekine A, Iida A, Takahashi A, Tsunoda T, Nakamura Y, Yamamoto K. Functional haplotypes of PADI4, encoding citrullinating enzyme peptidylarginine deiminase 4, are associated with rheumatoid arthritis. Nat Genet. 2003 Aug;34(4):395-402. PMID:12833157 doi:10.1038/ng1206
  2. Cuthbert GL, Daujat S, Snowden AW, Erdjument-Bromage H, Hagiwara T, Yamada M, Schneider R, Gregory PD, Tempst P, Bannister AJ, Kouzarides T. Histone deimination antagonizes arginine methylation. Cell. 2004 Sep 3;118(5):545-53. PMID:15339660 doi:10.1016/j.cell.2004.08.020
  3. Wang Y, Wysocka J, Sayegh J, Lee YH, Perlin JR, Leonelli L, Sonbuchner LS, McDonald CH, Cook RG, Dou Y, Roeder RG, Clarke S, Stallcup MR, Allis CD, Coonrod SA. Human PAD4 regulates histone arginine methylation levels via demethylimination. Science. 2004 Oct 8;306(5694):279-83. Epub 2004 Sep 2. PMID:15345777 doi:10.1126/science.1101400

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