1S2P:
reference: The structure and refinement of apocrustacyanin C2 to 1.3 A resolution and the search for differences between this protein and the homologous apoproteins A1 and C1., Habash J, Helliwell JR, Raftery J, Cianci M, Rizkallah PJ, Chayen NE, Nneji GA, Zagalsky PF, Acta Crystallogr D Biol Crystallogr 2004 Mar;60(Pt 3):493-8. Epub 2004 Feb, 25. PMID: 14993674

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