2RQ0:
reference: Structural analysis of lipocalin-type prostaglandin D synthase complexed with biliverdin by small-angle X-ray scattering and multi-dimensional NMR., Miyamoto Y, Nishimura S, Inoue K, Shimamoto S, Yoshida T, Fukuhara A, Yamada M, Urade Y, Yagi N, Ohkubo T, Inui T, J Struct Biol. 2009 Oct 13. PMID: 19833210

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