2M3G:
reference: Solid-state NMR spectroscopy structure determination of a lipid-embedded heptahelical membrane protein., Wang S, Munro RA, Shi L, Kawamura I, Okitsu T, Wada A, Kim SY, Jung KH, Brown LS, Ladizhansky V, Nat Methods. 2013 Sep 8. doi: 10.1038/nmeth.2635. PMID: 24013819

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