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==D2 domain of human IFNAR2==
==D2 domain of human IFNAR2==
<StructureSection load='3s8w' size='340' side='right' caption='[[3s8w]], [[Resolution|resolution]] 2.60&Aring;' scene=''>
<StructureSection load='3s8w' size='340' side='right'caption='[[3s8w]], [[Resolution|resolution]] 2.60&Aring;' scene=''>
== Structural highlights ==
== Structural highlights ==
<table><tr><td colspan='2'>[[3s8w]] is a 3 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=3S8W OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=3S8W FirstGlance]. <br>
<table><tr><td colspan='2'>[[3s8w]] is a 3 chain structure with sequence from [https://en.wikipedia.org/wiki/Human Human]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3S8W OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3S8W FirstGlance]. <br>
</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=CL:CHLORIDE+ION'>CL</scene></td></tr>
</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></td></tr>
<tr id='NonStdRes'><td class="sblockLbl"><b>[[Non-Standard_Residue|NonStd Res:]]</b></td><td class="sblockDat"><scene name='pdbligand=MSE:SELENOMETHIONINE'>MSE</scene></td></tr>
<tr id='NonStdRes'><td class="sblockLbl"><b>[[Non-Standard_Residue|NonStd Res:]]</b></td><td class="sblockDat"><scene name='pdbligand=MSE:SELENOMETHIONINE'>MSE</scene></td></tr>
<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[3s98|3s98]], [[3s9d|3s9d]]</td></tr>
<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat"><div style='overflow: auto; max-height: 3em;'>[[3s98|3s98]], [[3s9d|3s9d]]</div></td></tr>
<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">IFNAR2, IFNABR, IFNARB ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 HUMAN])</td></tr>
<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">IFNAR2, IFNABR, IFNARB ([https://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 HUMAN])</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=3s8w FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3s8w OCA], [http://pdbe.org/3s8w PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=3s8w RCSB], [http://www.ebi.ac.uk/pdbsum/3s8w PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=3s8w 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=3s8w FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3s8w OCA], [https://pdbe.org/3s8w PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3s8w RCSB], [https://www.ebi.ac.uk/pdbsum/3s8w PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3s8w ProSAT]</span></td></tr>
</table>
</table>
== Function ==
== Function ==
[[http://www.uniprot.org/uniprot/INAR2_HUMAN INAR2_HUMAN]] Associates with IFNAR1 to form the type I interferon receptor. Receptor for interferons alpha and beta. Involved in IFN-mediated STAT1, STAT2 and STAT3 activation. Isoform 1 and isoform 2 are directly involved in signal transduction due to their association with the TYR kinase, JAK1. Isoform 3 is a potent inhibitor of type I IFN receptor activity.<ref>PMID:8181059</ref> <ref>PMID:7665574</ref> <ref>PMID:7759950</ref> <ref>PMID:11682488</ref> <ref>PMID:12105218</ref>   
[[https://www.uniprot.org/uniprot/INAR2_HUMAN INAR2_HUMAN]] Associates with IFNAR1 to form the type I interferon receptor. Receptor for interferons alpha and beta. Involved in IFN-mediated STAT1, STAT2 and STAT3 activation. Isoform 1 and isoform 2 are directly involved in signal transduction due to their association with the TYR kinase, JAK1. Isoform 3 is a potent inhibitor of type I IFN receptor activity.<ref>PMID:8181059</ref> <ref>PMID:7665574</ref> <ref>PMID:7759950</ref> <ref>PMID:11682488</ref> <ref>PMID:12105218</ref>   
<div style="background-color:#fffaf0;">
<div style="background-color:#fffaf0;">
== Publication Abstract from PubMed ==
== Publication Abstract from PubMed ==
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==See Also==
==See Also==
*[[Interactive 3D Complements in Proteopedia|Interactive 3D Complements in Proteopedia]]
*[[Interferon receptor 3D structures|Interferon receptor 3D structures]]
*[[Interferon receptor|Interferon receptor]]
*[[Multiple sclerosis|Multiple sclerosis]]
*[[Multiple sclerosis|Multiple sclerosis]]
== References ==
== References ==
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</StructureSection>
</StructureSection>
[[Category: Human]]
[[Category: Human]]
[[Category: Large Structures]]
[[Category: Garcia, K C]]
[[Category: Garcia, K C]]
[[Category: Thomas, C]]
[[Category: Thomas, C]]

Revision as of 13:43, 22 June 2022

D2 domain of human IFNAR2D2 domain of human IFNAR2

Structural highlights

3s8w is a 3 chain structure with sequence from Human. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Ligands:
NonStd Res:
Gene:IFNAR2, IFNABR, IFNARB (HUMAN)
Resources:FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Function

[INAR2_HUMAN] Associates with IFNAR1 to form the type I interferon receptor. Receptor for interferons alpha and beta. Involved in IFN-mediated STAT1, STAT2 and STAT3 activation. Isoform 1 and isoform 2 are directly involved in signal transduction due to their association with the TYR kinase, JAK1. Isoform 3 is a potent inhibitor of type I IFN receptor activity.[1] [2] [3] [4] [5]

Publication Abstract from PubMed

Type I Interferons (IFNs) are important cytokines for innate immunity against viruses and cancer. Sixteen human type I IFN variants signal through the same cell-surface receptors, IFNAR1 and IFNAR2, yet they can evoke markedly different physiological effects. The crystal structures of two human type I IFN ternary signaling complexes containing IFNalpha2 and IFNomega reveal recognition modes and heterotrimeric architectures that are unique among the cytokine receptor superfamily but conserved between different type I IFNs. Receptor-ligand cross-reactivity is enabled by conserved receptor-ligand "anchor points" interspersed among ligand-specific interactions that "tune" the relative IFN-binding affinities, in an apparent extracellular "ligand proofreading" mechanism that modulates biological activity. Functional differences between IFNs are linked to their respective receptor recognition chemistries, in concert with a ligand-induced conformational change in IFNAR1, that collectively control signal initiation and complex stability, ultimately regulating differential STAT phosphorylation profiles, receptor internalization rates, and downstream gene expression patterns.

Structural linkage between ligand discrimination and receptor activation by type I interferons.,Thomas C, Moraga I, Levin D, Krutzik PO, Podoplelova Y, Trejo A, Lee C, Yarden G, Vleck SE, Glenn JS, Nolan GP, Piehler J, Schreiber G, Garcia KC Cell. 2011 Aug 19;146(4):621-32. PMID:21854986[6]

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.

See Also

References

  1. ↑ Novick D, Cohen B, Rubinstein M. The human interferon alpha/beta receptor: characterization and molecular cloning. Cell. 1994 May 6;77(3):391-400. PMID:8181059
  2. ↑ Domanski P, Witte M, Kellum M, Rubinstein M, Hackett R, Pitha P, Colamonici OR. Cloning and expression of a long form of the beta subunit of the interferon alpha beta receptor that is required for signaling. J Biol Chem. 1995 Sep 15;270(37):21606-11. PMID:7665574
  3. ↑ Novick D, Cohen B, Tal N, Rubinstein M. Soluble and membrane-anchored forms of the human IFN-alpha/beta receptor. J Leukoc Biol. 1995 May;57(5):712-8. PMID:7759950
  4. ↑ Wagner TC, Velichko S, Vogel D, Rani MR, Leung S, Ransohoff RM, Stark GR, Perez HD, Croze E. Interferon signaling is dependent on specific tyrosines located within the intracellular domain of IFNAR2c. Expression of IFNAR2c tyrosine mutants in U5A cells. J Biol Chem. 2002 Jan 11;277(2):1493-9. Epub 2001 Oct 26. PMID:11682488 doi:10.1074/jbc.M108928200
  5. ↑ Velichko S, Wagner TC, Turkson J, Jove R, Croze E. STAT3 activation by type I interferons is dependent on specific tyrosines located in the cytoplasmic domain of interferon receptor chain 2c. Activation of multiple STATS proceeds through the redundant usage of two tyrosine residues. J Biol Chem. 2002 Sep 20;277(38):35635-41. Epub 2002 Jun 24. PMID:12105218 doi:10.1074/jbc.M204578200
  6. ↑ Thomas C, Moraga I, Levin D, Krutzik PO, Podoplelova Y, Trejo A, Lee C, Yarden G, Vleck SE, Glenn JS, Nolan GP, Piehler J, Schreiber G, Garcia KC. Structural Linkage between Ligand Discrimination and Receptor Activation by Type I Interferons. Cell. 2011 Aug 19;146(4):621-32. PMID:21854986 doi:10.1016/j.cell.2011.06.048

3s8w, resolution 2.60Å

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