NMR Structure of the Sea Urchin (Strongylocentrotus purpuratus) Metallothionein MTA - Riek, Roland; Precheur, Benedicte; Wang, Yunyuan; Mackay, Elaine A.; Wider, Gerhard; Guntert, Peter; Liu, Aizhuo; Kaegi, Jeremias H.R.; Wuthrich, Kurt (Biological Magnetic Resonance Bank, 1999)