5TOU:
reference: Structural insights into the cold adaptation of the photosynthetic pigment-protein C-phycocyanin from an Arctic cyanobacterium., Su HN, Wang QM, Li CY, Li K, Luo W, Chen B, Zhang XY, Qin QL, Zhou BC, Chen XL, Zhang YZ, Xie BB, Biochim Biophys Acta. 2017 Apr;1858(4):325-335. doi:, 10.1016/j.bbabio.2017.02.004. Epub 2017 Feb 7. PMID: 28188780

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