3nq4

<StructureSection load='3nq4' size='340' side='right' caption='[[3nq4]], [[Resolution|resolution]] 3.50&Aring;' scene=''>

<table><tr><td colspan='2'>[[3nq4]] is a 30 chain structure with sequence from [http://en.wikipedia.org/wiki/Salty Salty]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3NQ4 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=3NQ4 FirstGlance]. <br>

</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=SO4:SULFATE+ION'>SO4</scene></td></tr>

<tr id='related'><td class="sblockLbl"><b>[[Related_structure|Related:]]</b></td><td class="sblockDat">[[3mk3|3mk3]]</td></tr>

<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">ribH, STM0417 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=99287 SALTY])</td></tr>

<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/6,7-dimethyl-8-ribityllumazine_synthase 6,7-dimethyl-8-ribityllumazine synthase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=2.5.1.78 2.5.1.78] </span></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=3nq4 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3nq4 OCA], [http://pdbe.org/3nq4 PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=3nq4 RCSB], [http://www.ebi.ac.uk/pdbsum/3nq4 PDBsum], [http://prosat.h-its.org/prosat/prosatexe?pdbcode=3nq4 ProSAT]</span></td></tr>

[[http://www.uniprot.org/uniprot/RISB_SALTY RISB_SALTY]] Catalyzes the formation of 6,7-dimethyl-8-ribityllumazine by condensation of 5-amino-6-(D-ribitylamino)uracil with 3,4-dihydroxy-2-butanone 4-phosphate. This is the penultimate step in the biosynthesis of riboflavin (By similarity).