8ek1: Difference between revisions

Revision as of 10:07, 27 September 2023

Cryo-EM structure of a potent anti-malarial antibody L9 in complex with Plasmodium falciparum circumsporozoite protein (PfCSP)(dominant class)

Structural highlights

8ek1 is a 7 chain structure with sequence from Homo sapiens and Plasmodium falciparum 3D7. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Method:	Electron Microscopy, Resolution 3.6Å
Resources:	FirstGlance, OCA, PDBe, RCSB, PDBsum, ProSAT

Function

CSP_PLAF7 Essential sporozoite protein (PubMed:29554084, PubMed:32150583). In the mosquito vector, required for sporozoite development in the oocyst, migration through the vector hemolymph and entry into the vector salivary glands (By similarity). In the vertebrate host, required for sporozoite migration through the host dermis and infection of host hepatocytes (PubMed:29554084, PubMed:32150583). Binds to highly sulfated heparan sulfate proteoglycans (HSPGs) on the surface of host hepatocytes (By similarity).[UniProtKB:P23093]^[1] ^[2] In the vertebrate host, binds to highly sulfated heparan sulfate proteoglycans (HSPGs) on the surface of host hepatocytes and is required for sporozoite invasion of the host hepatocytes.[UniProtKB:P23093]

References

↑ Tan J, Sack BK, Oyen D, Zenklusen I, Piccoli L, Barbieri S, Foglierini M, Fregni CS, Marcandalli J, Jongo S, Abdulla S, Perez L, Corradin G, Varani L, Sallusto F, Sim BKL, Hoffman SL, Kappe SHI, Daubenberger C, Wilson IA, Lanzavecchia A. A public antibody lineage that potently inhibits malaria infection through dual binding to the circumsporozoite protein. Nat Med. 2018 Mar 19. pii: nm.4513. doi: 10.1038/nm.4513. PMID:29554084 doi:https://dx.doi.org/10.1038/nm.4513
↑ Oyen D, Torres JL, Aoto PC, Flores-Garcia Y, Binter S, Pholcharee T, Carroll S, Reponen S, Wash R, Liang Q, Lemiale F, Locke E, Bradley A, King CR, Emerling D, Kellam P, Zavala F, Ward AB, Wilson IA. Structure and mechanism of monoclonal antibody binding to the junctional epitope of Plasmodium falciparum circumsporozoite protein. PLoS Pathog. 2020 Mar 9;16(3):e1008373. doi: 10.1371/journal.ppat.1008373. PMID:32150583 doi:https://dx.doi.org/10.1371/journal.ppat.1008373

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OCA

[1] Tan J, Sack BK, Oyen D, Zenklusen I, Piccoli L, Barbieri S, Foglierini M, Fregni CS, Marcandalli J, Jongo S, Abdulla S, Perez L, Corradin G, Varani L, Sallusto F, Sim BKL, Hoffman SL, Kappe SHI, Daubenberger C, Wilson IA, Lanzavecchia A. A public antibody lineage that potently inhibits malaria infection through dual binding to the circumsporozoite protein. Nat Med. 2018 Mar 19. pii: nm.4513. doi: 10.1038/nm.4513. PMID:29554084 doi:https://dx.doi.org/10.1038/nm.4513

[2] Oyen D, Torres JL, Aoto PC, Flores-Garcia Y, Binter S, Pholcharee T, Carroll S, Reponen S, Wash R, Liang Q, Lemiale F, Locke E, Bradley A, King CR, Emerling D, Kellam P, Zavala F, Ward AB, Wilson IA. Structure and mechanism of monoclonal antibody binding to the junctional epitope of Plasmodium falciparum circumsporozoite protein. PLoS Pathog. 2020 Mar 9;16(3):e1008373. doi: 10.1371/journal.ppat.1008373. PMID:32150583 doi:https://dx.doi.org/10.1371/journal.ppat.1008373

[1]

[2]

@@ Line 4: / Line 4: @@
 == Structural highlights ==
 <table><tr><td colspan='2'>[[8ek1]] is a 7 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens] and [https://en.wikipedia.org/wiki/Plasmodium_falciparum_3D7 Plasmodium falciparum 3D7]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=8EK1 OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=8EK1 FirstGlance]. <br>
-</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=8ek1 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=8ek1 OCA], [https://pdbe.org/8ek1 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=8ek1 RCSB], [https://www.ebi.ac.uk/pdbsum/8ek1 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=8ek1 ProSAT]</span></td></tr>
+</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">Electron Microscopy, [[Resolution|Resolution]] 3.6&#8491;</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=8ek1 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=8ek1 OCA], [https://pdbe.org/8ek1 PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=8ek1 RCSB], [https://www.ebi.ac.uk/pdbsum/8ek1 PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=8ek1 ProSAT]</span></td></tr>
 </table>
 == Function ==

8ek1: Difference between revisions

Revision as of 10:07, 27 September 2023

Cryo-EM structure of a potent anti-malarial antibody L9 in complex with Plasmodium falciparum circumsporozoite protein (PfCSP)(dominant class)

Structural highlights

Function

References

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