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1q0p

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{{STRUCTURE_1q0p| PDB=1q0p | SCENE= }}
 
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===A domain of Factor B===
 
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{{ABSTRACT_PUBMED_15016353}}
 
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==Disease==
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==A domain of Factor B==
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[[http://www.uniprot.org/uniprot/CFAB_HUMAN CFAB_HUMAN]] Defects in CFB are a cause of susceptibility to hemolytic uremic syndrome atypical type 4 (AHUS4) [MIM:[http://omim.org/entry/612924 612924]]. An atypical form of hemolytic uremic syndrome. It is a complex genetic disease characterized by microangiopathic hemolytic anemia, thrombocytopenia, renal failure and absence of episodes of enterocolitis and diarrhea. In contrast to typical hemolytic uremic syndrome, atypical forms have a poorer prognosis, with higher death rates and frequent progression to end-stage renal disease. Note=Susceptibility to the development of atypical hemolytic uremic syndrome can be conferred by mutations in various components of or regulatory factors in the complement cascade system. Other genes may play a role in modifying the phenotype.<ref>PMID:17182750</ref><ref>PMID:20513133</ref>
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<StructureSection load='1q0p' size='340' side='right'caption='[[1q0p]], [[Resolution|resolution]] 1.80&Aring;' scene=''>
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== Structural highlights ==
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<table><tr><td colspan='2'>[[1q0p]] is a 1 chain structure with sequence from [https://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1Q0P OCA]. For a <b>guided tour on the structure components</b> use [https://proteopedia.org/fgij/fg.htm?mol=1Q0P FirstGlance]. <br>
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</td></tr><tr id='method'><td class="sblockLbl"><b>[[Empirical_models|Method:]]</b></td><td class="sblockDat" id="methodDat">X-ray diffraction, [[Resolution|Resolution]] 1.8&#8491;</td></tr>
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<tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat" id="ligandDat"><scene name='pdbligand=MN:MANGANESE+(II)+ION'>MN</scene></td></tr>
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<tr id='resources'><td class="sblockLbl"><b>Resources:</b></td><td class="sblockDat"><span class='plainlinks'>[https://proteopedia.org/fgij/fg.htm?mol=1q0p FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1q0p OCA], [https://pdbe.org/1q0p PDBe], [https://www.rcsb.org/pdb/explore.do?structureId=1q0p RCSB], [https://www.ebi.ac.uk/pdbsum/1q0p PDBsum], [https://prosat.h-its.org/prosat/prosatexe?pdbcode=1q0p ProSAT]</span></td></tr>
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</table>
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== Disease ==
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[https://www.uniprot.org/uniprot/CFAB_HUMAN CFAB_HUMAN] Defects in CFB are a cause of susceptibility to hemolytic uremic syndrome atypical type 4 (AHUS4) [MIM:[https://omim.org/entry/612924 612924]. An atypical form of hemolytic uremic syndrome. It is a complex genetic disease characterized by microangiopathic hemolytic anemia, thrombocytopenia, renal failure and absence of episodes of enterocolitis and diarrhea. In contrast to typical hemolytic uremic syndrome, atypical forms have a poorer prognosis, with higher death rates and frequent progression to end-stage renal disease. Note=Susceptibility to the development of atypical hemolytic uremic syndrome can be conferred by mutations in various components of or regulatory factors in the complement cascade system. Other genes may play a role in modifying the phenotype.<ref>PMID:17182750</ref> <ref>PMID:20513133</ref>
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== Function ==
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[https://www.uniprot.org/uniprot/CFAB_HUMAN CFAB_HUMAN] Factor B which is part of the alternate pathway of the complement system is cleaved by factor D into 2 fragments: Ba and Bb. Bb, a serine protease, then combines with complement factor 3b to generate the C3 or C5 convertase. It has also been implicated in proliferation and differentiation of preactivated B-lymphocytes, rapid spreading of peripheral blood monocytes, stimulation of lymphocyte blastogenesis and lysis of erythrocytes. Ba inhibits the proliferation of preactivated B-lymphocytes.
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== Evolutionary Conservation ==
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[[Image:Consurf_key_small.gif|200px|right]]
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Check<jmol>
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<jmolCheckbox>
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<scriptWhenChecked>; select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/q0/1q0p_consurf.spt"</scriptWhenChecked>
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<scriptWhenUnchecked>script /wiki/extensions/Proteopedia/spt/initialview01.spt</scriptWhenUnchecked>
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<text>to colour the structure by Evolutionary Conservation</text>
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</jmolCheckbox>
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</jmol>, as determined by [http://consurfdb.tau.ac.il/ ConSurfDB]. You may read the [[Conservation%2C_Evolutionary|explanation]] of the method and the full data available from [http://bental.tau.ac.il/new_ConSurfDB/main_output.php?pdb_ID=1q0p ConSurf].
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<div style="clear:both"></div>
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==Function==
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==See Also==
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[[http://www.uniprot.org/uniprot/CFAB_HUMAN CFAB_HUMAN]] Factor B which is part of the alternate pathway of the complement system is cleaved by factor D into 2 fragments: Ba and Bb. Bb, a serine protease, then combines with complement factor 3b to generate the C3 or C5 convertase. It has also been implicated in proliferation and differentiation of preactivated B-lymphocytes, rapid spreading of peripheral blood monocytes, stimulation of lymphocyte blastogenesis and lysis of erythrocytes. Ba inhibits the proliferation of preactivated B-lymphocytes.
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*[[Complement factor 3D structures|Complement factor 3D structures]]
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== References ==
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==About this Structure==
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<references/>
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[[1q0p]] is a 1 chain structure with sequence from [http://en.wikipedia.org/wiki/Homo_sapiens Homo sapiens]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1Q0P OCA].
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__TOC__
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</StructureSection>
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==Reference==
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<ref group="xtra">PMID:015016353</ref><references group="xtra"/><references/>
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[[Category: Alternative-complement-pathway C3/C5 convertase]]
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[[Category: Homo sapiens]]
[[Category: Homo sapiens]]
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[[Category: Bhattacharya, A A.]]
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[[Category: Large Structures]]
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[[Category: Liddington, R C.]]
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[[Category: Bhattacharya AA]]
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[[Category: A domain]]
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[[Category: Liddington RC]]
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[[Category: Factor b]]
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[[Category: Hydrolase]]
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[[Category: I domain]]
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[[Category: Mac-1]]
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[[Category: Von willebrand factor]]
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Current revision

A domain of Factor B

PDB ID 1q0p

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