5IJF:
reference: Circulatory zinc transport is controlled by distinct interdomain sites on mammalian albumins., Handing KB, Shabalin IG, Kassaar O, Khazaipoul S, Blindauer CA, Stewart AJ, Chruszcz M, Minor W, Chem Sci. 2016 Nov 1;7(11):6635-6648. doi: 10.1039/c6sc02267g. Epub 2016 Aug 15. PMID: 28567254

This OCA Structure page
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