1CPC:
reference: Isolation, crystallization, crystal structure analysis and refinement of constitutive C-phycocyanin from the chromatically adapting cyanobacterium Fremyella diplosiphon at 1.66 A resolution., Duerring M, Schmidt GB, Huber R, J Mol Biol 1991 Feb 5;217(3):577-92. PMID: 1899708

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