1GXI:
reference: Solution NMR structure and backbone dynamics of the PsaE subunit of photosystem I from Synechocystis sp. PCC 6803., Barth P, Savarin P, Gilquin B, Lagoutte B, Ochsenbein F, Biochemistry 2002 Nov 26;41(47):13902-14. PMID: 12437347

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