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'''Unreleased structure'''


The entry 22xc is ON HOLD  until Paper Publication
==Structure of CXCR4 in complex with a de-novo designed mini-protein antagonist==
 
<StructureSection load='22xc' size='340' side='right'caption='[[22xc]], [[Resolution|resolution]] 3.28&Aring;' scene=''>
Authors: Banerjee, R., Ganguly, M., Banerjee, N., Tiwari, D., Muratspahic, E., Baker, D., Shukla, A.K.
== Structural highlights ==
 
<table><tr><td colspan='2'>[[22xc]] is a 6 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens] and [https://en.wikipedia.org/wiki/Synthetic_construct Synthetic construct]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=22XC OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=22XC FirstGlance]. <br>
Description: Structure of CXCR4 in complex with a de-novo designed mini-protein antagonist
</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">Electron Microscopy, [[Resolution|Resolution]] 3.28&#8491;</td></tr>
[[Category: Unreleased Structures]]
<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=CLR:CHOLESTEROL'>CLR</scene>, <scene name='pdbligand=D21:[(2~{R})-1-hexadecanoyloxy-3-phosphonooxy-propan-2-yl]+octadec-9-enoate'>D21</scene></td></tr>
[[Category: Muratspahic, E]]
<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=22xc FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=22xc OCA], [https://pdbe.org/22xc PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=22xc RCSB], [https://www.ebi.ac.uk/pdbsum/22xc PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=22xc ProSAT]</span></td></tr>
[[Category: Banerjee, R]]
</table>
[[Category: Banerjee, N]]
== Disease ==
[[Category: Tiwari, D]]
[https://www.uniprot.org/uniprot/CXCR4_HUMAN CXCR4_HUMAN] Defects in CXCR4 are a cause of WHIM syndrome (WHIM) [MIM:[https://omim.org/entry/193670 193670]; also known as warts, hypogammaglobulinemia, infections and myelokathexis. WHIM syndrome is an immunodeficiency disease characterized by neutropenia, hypogammaglobulinemia and extensive human papillomavirus (HPV) infection. Despite the peripheral neutropenia, bone marrow aspirates from affected individuals contain abundant mature myeloid cells, a condition termed myelokathexis.<ref>PMID:12692554</ref>
[[Category: Baker, D]]
== Function ==
[[Category: Shukla, A.K]]
[https://www.uniprot.org/uniprot/CXCR4_HUMAN CXCR4_HUMAN] Receptor for the C-X-C chemokine CXCL12/SDF-1 that transduces a signal by increasing intracellular calcium ion levels and enhancing MAPK1/MAPK3 activation. Acts as a receptor for extracellular ubiquitin; leading to enhanced intracellular calcium ions and reduced cellular cAMP levels. Involved in hematopoiesis and in cardiac ventricular septum formation. Also plays an essential role in vascularization of the gastrointestinal tract, probably by regulating vascular branching and/or remodeling processes in endothelial cells. Involved in cerebellar development. In the CNS, could mediate hippocampal-neuron survival. Acts as a coreceptor (CD4 being the primary receptor) for HIV-1 X4 isolates and as a primary receptor for some HIV-2 isolates. Promotes Env-mediated fusion of the virus.<ref>PMID:8329116</ref> <ref>PMID:8234909</ref> <ref>PMID:8629022</ref> <ref>PMID:8752280</ref> <ref>PMID:8752281</ref> <ref>PMID:10074102</ref> <ref>PMID:10644702</ref> <ref>PMID:10825158</ref> <ref>PMID:17197449</ref> <ref>PMID:20048153</ref> <ref>PMID:20228059</ref> <ref>PMID:20505072</ref>
[[Category: Ganguly, M]]
== References ==
<references/>
__TOC__
</StructureSection>
[[Category: Homo sapiens]]
[[Category: Large Structures]]
[[Category: Synthetic construct]]
[[Category: Baker D]]
[[Category: Banerjee N]]
[[Category: Banerjee R]]
[[Category: Ganguly M]]
[[Category: Muratspahic E]]
[[Category: Shukla AK]]
[[Category: Tiwari D]]
Retrieved from "https://proteopedia.org/22xc"