3et9

From Proteopedia

(Difference between revisions)

Current revision

Crystal structure of the engineered neutralizing antibody 1H

Structural highlights

3et9 is a 1 chain structure with sequence from Mus musculus. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Method:	X-ray diffraction, Resolution 2.8Å
Resources:	FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

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

The virulence of Bacillus anthracis is critically dependent on the cytotoxic components of the anthrax toxin, lethal factor (LF) and edema factor (EF). LF and EF gain entry into host cells through interactions with the protective antigen (PA), which binds to host cellular receptors such as CMG2. Antibodies that neutralize PA have been shown to confer protection in animal models and are undergoing intense clinical development. A murine monoclonal antibody, 14B7, has been reported to interact with domain 4 of PA (PAD4) and block its binding to CMG2. More recently, the 14B7 antibody was used as the platform for the selection of very high affinity, single-chain antibodies that have tremendous potential as a combination anthrax prophylactic and treatment. Here, we report the high-resolution X-ray structures of three high-affinity, single-chain antibodies in the 14B7 family; 14B7 and two high-affinity variants 1H and M18. In addition, we present the first neutralizing antibody-PA structure, M18 in complex with PAD4 at 3.8 A resolution. These structures provide insights into the mechanism of neutralization, and the effect of various mutations on antibody affinity, and enable a comparison between the binding of the M18 antibody and CMG2 with PAD4.

Crystal structure of the engineered neutralizing antibody M18 complexed to domain 4 of the anthrax protective antigen.,Leysath CE, Monzingo AF, Maynard JA, Barnett J, Georgiou G, Iverson BL, Robertus JD J Mol Biol. 2009 Apr 3;387(3):680-93. Epub 2009 Feb 10. PMID:19361425^[1]

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

References

↑ Leysath CE, Monzingo AF, Maynard JA, Barnett J, Georgiou G, Iverson BL, Robertus JD. Crystal structure of the engineered neutralizing antibody M18 complexed to domain 4 of the anthrax protective antigen. J Mol Biol. 2009 Apr 3;387(3):680-93. Epub 2009 Feb 10. PMID:19361425 doi:http://dx.doi.org/10.1016/j.jmb.2009.02.003

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

Proteopedia Page Contributors and Editors (what is this?)

OCA

Retrieved from "http://52.214.119.220/wiki/index.php/3et9"

@@ Line 3: / Line 3: @@
 <StructureSection load='3et9' size='340' side='right'caption='[[3et9]], [[Resolution|resolution]] 2.80&Aring;' scene=''>
 == Structural highlights ==
-<table><tr><td colspan='2'>[[3et9]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Lk3_transgenic_mice Lk3 transgenic mice]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3ET9 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=3ET9 FirstGlance]. <br>
+<table><tr><td colspan='2'>[[3et9]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Mus_musculus Mus musculus]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3ET9 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=3ET9 FirstGlance]. <br>
-</td></tr><tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[3esu|3esu]], [[3esv|3esv]], [[3etb|3etb]]</td></tr>
+</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 2.8&#8491;</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=3et9 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3et9 OCA], [http://pdbe.org/3et9 PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=3et9 RCSB], [http://www.ebi.ac.uk/pdbsum/3et9 PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=3et9 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=3et9 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3et9 OCA], [https://pdbe.org/3et9 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=3et9 RCSB], [https://www.ebi.ac.uk/pdbsum/3et9 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=3et9 ProSAT]</span></td></tr>
 </table>
 == Evolutionary Conservation ==
@@ Line 12: / Line 12: @@
   <jmolCheckbox>
     <scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/et/3et9_consurf.spt"</scriptWhenChecked>
-    <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
+    <scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview03.spt</scriptWhenUnchecked>
     <text>to colour the structure by Evolutionary Conservation</text>
   </jmolCheckbox>
@@ Line 29: / Line 29: @@
 ==See Also==
 *[[Antibody 3D structures|Antibody 3D structures]]
+*[[Sandbox 20009|Sandbox 20009]]
+*[[3D structures of non-human antibody|3D structures of non-human antibody]]
 == References ==
 <references/>
@@ Line 34: / Line 36: @@
 </StructureSection>
 [[Category: Large Structures]]
-[[Category: Lk3 transgenic mice]]
+[[Category: Mus musculus]]
-[[Category: Barnett, J]]
+[[Category: Barnett J]]
-[[Category: Georgiou, G]]
+[[Category: Georgiou G]]
-[[Category: Iverson, B L]]
+[[Category: Iverson BL]]
-[[Category: Leysath, C E]]
+[[Category: Leysath CE]]
-[[Category: Monzingo, A F]]
+[[Category: Monzingo AF]]
-[[Category: Robertus, J D]]
+[[Category: Robertus JD]]
-[[Category: Immune system]]
-[[Category: Immunoglobulin]]
-[[Category: Monoclonal antibody]]
-[[Category: Single-chain fv]]

3et9

From Proteopedia

Current revision

Crystal structure of the engineered neutralizing antibody 1H

Structural highlights

Evolutionary Conservation

Publication Abstract from PubMed

See Also

References

Contents

Proteopedia Page Contributors and Editors (what is this?)

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