1c4q

<table><tr><td colspan='2'>[[1c4q]] is a 5 chain structure with sequence from [http://en.wikipedia.org/wiki/"bacillus_coli"_migula_1895 "bacillus coli" migula 1895]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=1C4Q OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=1C4Q FirstGlance]. <br>

</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=BGC:BETA-D-GLUCOSE'>BGC</scene>, <scene name='pdbligand=GAL:BETA-D-GALACTOSE'>GAL</scene>, <scene name='pdbligand=GLA:ALPHA+D-GALACTOSE'>GLA</scene></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=1c4q FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=1c4q OCA], [http://pdbe.org/1c4q PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=1c4q RCSB], [http://www.ebi.ac.uk/pdbsum/1c4q PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=1c4q ProSAT]</span></td></tr>

[[http://www.uniprot.org/uniprot/STXB_BPH30 STXB_BPH30]] The B subunit is responsible for the binding of the holotoxin to specific receptors on the target cell surface, such as globotriaosylceramide (Gb3) in human intestinal microvilli.