3b3x is a 2 chain structure with sequence from Bacillus licheniformis. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
Check, as determined by ConSurfDB. You may read the explanation of the method and the full data available from ConSurf.
Publication Abstract from PubMed
The title compound 4 has been prepared in four steps from ethylglycinate in 63% overall yield. This amino analog of citric acid has been co-crystallized with the class A beta-lactamase BS3 of Bacillus licheniformis and the structure of the complex fully analyzed by X-ray diffraction. Tris-ethyl aminocitrate 3 and the free tris-acid 4 have been tested against a member beta-lactamase from all distinct subgroups. They are novel inhibitors of class A beta-lactamases, still modest but more potent than citrate and isocitrate.
2-Aminopropane-1,2,3-tricarboxylic acid: Synthesis and co-crystallization with the class A beta-lactamase BS3 of Bacillus licheniformis.,Beck J, Sauvage E, Charlier P, Marchand-Brynaert J Bioorg Med Chem Lett. 2008 Jul 1;18(13):3764-8. Epub 2008 May 16. PMID:18515103[1]
From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine.
↑ Beck J, Sauvage E, Charlier P, Marchand-Brynaert J. 2-Aminopropane-1,2,3-tricarboxylic acid: Synthesis and co-crystallization with the class A beta-lactamase BS3 of Bacillus licheniformis. Bioorg Med Chem Lett. 2008 Jul 1;18(13):3764-8. Epub 2008 May 16. PMID:18515103 doi:10.1016/j.bmcl.2008.05.045