2L37:
reference: Structural characterization and anti-HIV-1 activities of arginine/glutamate-rich polypeptide Luffin P1 from the seeds of sponge gourd (Luffa cylindrica)., Ng YM, Yang Y, Sze KH, Zhang X, Zheng YT, Shaw PC, J Struct Biol. 2010 Dec 31. PMID: 21195767

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