2hym

From Proteopedia

(Difference between revisions)

Revision as of 00:54, 11 September 2015

NMR based Docking Model of the Complex between the Human Type I Interferon Receptor and Human Interferon alpha-2

Structural highlights

2hym is a 2 chain structure with sequence from Human. Full experimental information is available from OCA. For a guided tour on the structure components use FirstGlance.
Related:	1n6v, 1itf
Gene:	IFNABR (HUMAN), IFNA2 (HUMAN)
Resources:	FirstGlance, OCA, PDBe, RCSB, PDBsum

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] [IFNA2_HUMAN] Produced by macrophages, IFN-alpha have antiviral activities.

Evolutionary Conservation

Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf.

Publication Abstract from PubMed

Type I interferons (IFNs) are a family of homologous helical cytokines that exhibit pleiotropic effects on a wide variety of cell types, including antiviral activity and antibacterial, antiprozoal, immunomodulatory, and cell growth regulatory functions. Consequently, IFNs are the human proteins most widely used in the treatment of several kinds of cancer, hepatitis C, and multiple sclerosis. All type I IFNs bind to a cell surface receptor consisting of two subunits, IFNAR1 and IFNAR2, associating upon binding of interferon. The structure of the extracellular domain of IFNAR2 (R2-EC) was solved recently. Here we study the complex and the binding interface of IFNalpha2 with R2-EC using multidimensional NMR techniques. NMR shows that IFNalpha2 does not undergo significant structural changes upon binding to its receptor, suggesting a lock-and-key mechanism for binding. Cross saturation experiments were used to determine the receptor binding site upon IFNalpha2. The NMR data and previously published mutagenesis data were used to derive a docking model of the complex with an RMSD of 1 Angstrom, and its well-defined orientation between IFNalpha2 and R2-EC and the structural quality greatly improve upon previously suggested models. The relative ligand-receptor orientation is believed to be important for interferon signaling and possibly one of the parameters that distinguish the different IFN I subtypes. This structural information provides important insight into interferon signaling processes and may allow improvement in the development of therapeutically used IFNs and IFN-like molecules.

Determination of the human type I interferon receptor binding site on human interferon-alpha2 by cross saturation and an NMR-based model of the complex.,Quadt-Akabayov SR, Chill JH, Levy R, Kessler N, Anglister J Protein Sci. 2006 Nov;15(11):2656-68. Epub 2006 Sep 25. PMID:17001036^[6]

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

References

↑ 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
↑ 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
↑ 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
↑ 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
↑ 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
↑ Quadt-Akabayov SR, Chill JH, Levy R, Kessler N, Anglister J. Determination of the human type I interferon receptor binding site on human interferon-alpha2 by cross saturation and an NMR-based model of the complex. Protein Sci. 2006 Nov;15(11):2656-68. Epub 2006 Sep 25. PMID:17001036 doi:10.1110/ps.062283006

1 Structural highlights
2 Function
3 Evolutionary Conservation
4 Publication Abstract from PubMed
5 See Also
6 References

Proteopedia Page Contributors and Editors (what is this?)

OCA, Joel L. Sussman

Retrieved from "http://52.214.119.220/wiki/index.php/2hym"

@@ Line 2: / Line 2: @@
 <StructureSection load='2hym' size='340' side='right' caption='[[2hym]], [[NMR_Ensembles_of_Models | 10 NMR models]]' scene=''>
 == Structural highlights ==
-<table><tr><td colspan='2'>[[2hym]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2HYM OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2HYM FirstGlance]. <br>
+<table><tr><td colspan='2'>[[2hym]] is a 2 chain structure with sequence from [http://en.wikipedia.org/wiki/Human Human]. Full experimental information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=2HYM OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=2HYM FirstGlance]. <br>
 </td></tr><tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[1n6v|1n6v]], [[1itf|1itf]]</td></tr>
-<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">IFNABR ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 Homo sapiens]), IFNA2 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 Homo sapiens])</td></tr>
+<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">IFNABR ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=9606 HUMAN]), IFNA2 ([http://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=2hym FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2hym OCA], [http://www.rcsb.org/pdb/explore.do?structureId=2hym RCSB], [http://www.ebi.ac.uk/pdbsum/2hym PDBsum]</span></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=2hym FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=2hym OCA], [http://pdbe.org/2hym PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=2hym RCSB], [http://www.ebi.ac.uk/pdbsum/2hym PDBsum]</span></td></tr>
 </table>
 == Function ==
-[[http://www.uniprot.org/uniprot/IFNA2_HUMAN IFNA2_HUMAN]] Produced by macrophages, IFN-alpha have antiviral activities.
+[[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>  [[http://www.uniprot.org/uniprot/IFNA2_HUMAN IFNA2_HUMAN]] Produced by macrophages, IFN-alpha have antiviral activities.
 == Evolutionary Conservation ==
 [[Image:Consurf_key_small.gif|200px|right]]
@@ Line 27: / Line 27: @@
 From MEDLINE&reg;/PubMed&reg;, a database of the U.S. National Library of Medicine.<br>
 </div>
+<div class="pdbe-citations 2hym" style="background-color:#fffaf0;"></div>
 ==See Also==
@@ Line 36: / Line 37: @@
 __TOC__
 </StructureSection>
-[[Category: Homo sapiens]]
+[[Category: Human]]
 [[Category: Anglister, J]]
 [[Category: Chill, J H]]

2hym

From Proteopedia

Revision as of 00:54, 11 September 2015

NMR based Docking Model of the Complex between the Human Type I Interferon Receptor and Human Interferon alpha-2

Structural highlights

Function

Evolutionary Conservation

Publication Abstract from PubMed

See Also

References

Contents

Proteopedia Page Contributors and Editors (what is this?)

Views

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