1QJL:
reference: NMR structure of the sea urchin (Strongylocentrotus purpuratus) metallothionein MTA., Riek R, Precheur B, Wang Y, Mackay EA, Wider G, Guntert P, Liu A, Kagi JH, Wuthrich K, J Mol Biol 1999 Aug 13;291(2):417-28. PMID: 10438629

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