4MTS:
reference: The crystal structure of a homodimeric Pseudomonas glyoxalase I enzyme reveals asymmetric metallation commensurate with half-of-sites activity., Bythell-Douglas R, Suttisansanee U, Flematti GR, Challenor M, Lee M, Panjikar S, Honek JF, Bond CS, Chemistry. 2015 Jan 7;21(2):541-4. doi: 10.1002/chem.201405402. Epub 2014 Nov 19. PMID: 25411134

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