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3cvh

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Revision as of 08:35, 25 October 2017

How TCR-like antibody recognizes MHC-bound peptide

Structural highlights

3cvh is a 10 chain structure with sequence from Gallus gallus and Mus musculus. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Related:	3cvi
Resources:	FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Function

[HA1B_MOUSE] Involved in the presentation of foreign antigens to the immune system. [OVAL_CHICK] Non-inhibitory serpin. Storage protein of egg white.^[1] ^[2] [B2MG_MOUSE] Component of the class I major histocompatibility complex (MHC). Involved in the presentation of peptide antigens to the immune system.

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

We determined the crystal structures of the T cell receptor (TCR)-like antibody 25-D1.16 Fab fragment bound to a complex of SIINFEKL peptide from ovalbumin and the H-2K(b) molecule. Remarkably, this antibody directly "reads" the structure of the major histocompatibility complex (MHC)-bound peptide, employing the canonical diagonal binding mode utilized by most TCRs. This is in marked contrast with another TCR-like antibody, Hyb3, bound to melanoma peptide MAGE-A1 in association with HLA-A1 MHC class I. Hyb3 assumes a non-canonical orientation over its cognate peptide-MHC and appears to recognize a conformational epitope in which the MHC contribution is dominant. We conclude that TCR-like antibodies can recognize MHC-bound peptide via two different mechanisms: one is similar to that exploited by the preponderance of TCRs and the other requires a non-canonical antibody orientation over the peptide-MHC complex.

How a T cell receptor-like antibody recognizes major histocompatibility complex-bound peptide.,Mareeva T, Martinez-Hackert E, Sykulev Y J Biol Chem. 2008 Oct 24;283(43):29053-9. Epub 2008 Aug 14. PMID:18703505^[3]

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

References

↑ Meek RL, Walsh KA, Palmiter RD. The signal sequence of ovalbumin is located near the NH2 terminus. J Biol Chem. 1982 Oct 25;257(20):12245-51. PMID:6749856
↑ Robinson A, Meredith C, Austen BM. Isolation and properties of the signal region from ovalbumin. FEBS Lett. 1986 Jul 28;203(2):243-6. PMID:3732511
↑ Mareeva T, Martinez-Hackert E, Sykulev Y. How a T cell receptor-like antibody recognizes major histocompatibility complex-bound peptide. J Biol Chem. 2008 Oct 24;283(43):29053-9. Epub 2008 Aug 14. PMID:18703505 doi:10.1074/jbc.M804996200

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

Proteopedia Page Contributors and Editors (what is this?)

OCA

Retrieved from "http://52.214.119.220/wiki/index.php/3cvh"

@@ Line 1: / Line 1: @@
 ==How TCR-like antibody recognizes MHC-bound peptide==
 <StructureSection load='3cvh' size='340' side='right' caption='[[3cvh]], [[Resolution|resolution]] 2.90&Aring;' scene=''>
 == Structural highlights ==
-<table><tr><td colspan='2'>[[3cvh]] is a 10 chain structure with sequence from [http://en.wikipedia.org/wiki/Chick Chick] and [http://en.wikipedia.org/wiki/Mus_musculus Mus musculus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3CVH OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=3CVH FirstGlance]. <br>
+<table><tr><td colspan='2'>[[3cvh]] is a 10 chain structure with sequence from [http://en.wikipedia.org/wiki/Gallus_gallus Gallus gallus] and [http://en.wikipedia.org/wiki/Mus_musculus Mus musculus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3CVH OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=3CVH FirstGlance]. <br>
 </td></tr><tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[3cvi|3cvi]]</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=3cvh FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3cvh OCA], [http://pdbe.org/3cvh PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=3cvh RCSB], [http://www.ebi.ac.uk/pdbsum/3cvh 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=3cvh FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3cvh OCA], [http://pdbe.org/3cvh PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=3cvh RCSB], [http://www.ebi.ac.uk/pdbsum/3cvh PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=3cvh ProSAT]</span></td></tr>
 </table>
 == Function ==
-[[http://www.uniprot.org/uniprot/HA1B_MOUSE HA1B_MOUSE]] Involved in the presentation of foreign antigens to the immune system. [[http://www.uniprot.org/uniprot/B2MG_MOUSE B2MG_MOUSE]] Component of the class I major histocompatibility complex (MHC). Involved in the presentation of peptide antigens to the immune system. [[http://www.uniprot.org/uniprot/OVAL_CHICK OVAL_CHICK]] Non-inhibitory serpin. Storage protein of egg white.<ref>PMID:6749856</ref> <ref>PMID:3732511</ref>
+[[http://www.uniprot.org/uniprot/HA1B_MOUSE HA1B_MOUSE]] Involved in the presentation of foreign antigens to the immune system. [[http://www.uniprot.org/uniprot/OVAL_CHICK OVAL_CHICK]] Non-inhibitory serpin. Storage protein of egg white.<ref>PMID:6749856</ref> <ref>PMID:3732511</ref>  [[http://www.uniprot.org/uniprot/B2MG_MOUSE B2MG_MOUSE]] Component of the class I major histocompatibility complex (MHC). Involved in the presentation of peptide antigens to the immune system.
 == Evolutionary Conservation ==
 [[Image:Consurf_key_small.gif|200px|right]]
@@ Line 27: / Line 28: @@
 </div>
 <div class="pdbe-citations 3cvh" style="background-color:#fffaf0;"></div>
-==See Also==
-*[[Beta-2 microglobulin|Beta-2 microglobulin]]
-*[[Major histocompatibility complex|Major histocompatibility complex]]
 == References ==
 <references/>
 __TOC__
 </StructureSection>
-[[Category: Chick]]
+[[Category: Gallus gallus]]
 [[Category: Mus musculus]]
 [[Category: Mareeva, T]]

3cvh

From Proteopedia

Revision as of 08:35, 25 October 2017

How TCR-like antibody recognizes MHC-bound peptide

Structural highlights

Function

Evolutionary Conservation

Publication Abstract from PubMed

References

Contents

Proteopedia Page Contributors and Editors (what is this?)

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