3cg8

<StructureSection load='3cg8' size='340' side='right' caption='[[3cg8]], [[Resolution|resolution]] 2.68&Aring;' scene=''>

<table><tr><td colspan='2'>[[3cg8]] is a 3 chain structure with sequence from [http://en.wikipedia.org/wiki/"actinomyces_coelicolor"_(muller_1908)_lieske_1921 "actinomyces coelicolor" (muller 1908) lieske 1921]. Full crystallographic information is available from [http://oca.weizmann.ac.il/oca-bin/ocashort?id=3CG8 OCA]. For a <b>guided tour on the structure components</b> use [http://oca.weizmann.ac.il/oca-docs/fgij/fg.htm?mol=3CG8 FirstGlance]. <br>

</td></tr><tr id='ligand'><td class="sblockLbl"><b>[[Ligand|Ligands:]]</b></td><td class="sblockDat"><scene name='pdbligand=CU:COPPER+(II)+ION'>CU</scene>, <scene name='pdbligand=O:OXYGEN+ATOM'>O</scene>, <scene name='pdbligand=PG4:TETRAETHYLENE+GLYCOL'>PG4</scene></td></tr>

<tr id='gene'><td class="sblockLbl"><b>[[Gene|Gene:]]</b></td><td class="sblockDat">SC4C6.22 ([http://www.ncbi.nlm.nih.gov/Taxonomy/Browser/wwwtax.cgi?mode=Info&srchmode=5&id=1902 "Actinomyces coelicolor" (Muller 1908) Lieske 1921])</td></tr>

<tr id='activity'><td class="sblockLbl"><b>Activity:</b></td><td class="sblockDat"><span class='plainlinks'>[http://en.wikipedia.org/wiki/Laccase Laccase], with EC number [http://www.brenda-enzymes.info/php/result_flat.php4?ecno=1.10.3.2 1.10.3.2] </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=3cg8 FirstGlance], [http://oca.weizmann.ac.il/oca-bin/ocaids?id=3cg8 OCA], [http://pdbe.org/3cg8 PDBe], [http://www.rcsb.org/pdb/explore.do?structureId=3cg8 RCSB], [http://www.ebi.ac.uk/pdbsum/3cg8 PDBsum]</span></td></tr>

<scriptWhenChecked>select protein; define ~consurf_to_do selected; consurf_initial_scene = true; script "/wiki/ConSurf/cg/3cg8_consurf.spt"</scriptWhenChecked>

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== Publication Abstract from PubMed ==

The X-ray structure of the two-domain laccase (small laccase) from Streptomyces coelicolor A3(2) was solved at 2.7-A resolution. The enzyme differs significantly from all laccases studied structurally so far. It consists of two domains and forms trimers and hence resembles the quaternary structure of nitrite reductases or ceruloplasmins more than that of large laccases. There are three trinuclear copper clusters in the enzyme localized between domains 1 and 2 of each pair of neighbor chains. In this way, a similar geometry of the active site as seen in large laccases is ensured, albeit by different arrangements of domains and protein chains. Three copper ions of type 1 lie close to one another near the surface of the central part of the trimer, and, effectively, a trimeric substrate binding site is formed in their vicinity.

The Structure of the Small Laccase from Streptomyces coelicolor Reveals a Link between Laccases and Nitrite Reductases.,Skalova T, Dohnalek J, Ostergaard LH, Ostergaard PR, Kolenko P, Duskova J, Stepankova A, Hasek J J Mol Biol. 2008 Nov 25. PMID:19063896<ref>PMID:19063896</ref>

== References ==

[[Category: Laccase]]

[[Category: Dohnalek, J]]

[[Category: Duskova, J]]

[[Category: Hasek, J]]

[[Category: Kolenko, P]]

[[Category: Ostergaard, L H]]

[[Category: Ostergaard, P R]]

[[Category: Skalova, T]]

[[Category: Two-domain laccase]]