6LPK:
reference: Isoprenoid-chained lipid EROCOC17+4: a new matrix for membrane protein crystallization and a crystal delivery medium in serial femtosecond crystallography., Ihara K, Hato M, Nakane T, Yamashita K, Kimura-Someya T, Hosaka T, Ishizuka-Katsura Y, Tanaka R, Tanaka T, Sugahara M, Hirata K, Yamamoto M, Nureki O, Tono K, Nango E, Iwata S, Shirouzu M, Sci Rep. 2020 Nov 9;10(1):19305. doi: 10.1038/s41598-020-76277-x. PMID: 33168855

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