Solid-state NMR 13C and 15N resonance assignments of a seven-transmembrane helical protein Anabaena Sensory Rhodopsin - Wang, Shenlin; Shi, Lichi; Okitsu, Takashi; Wada, Akimori; Brown, Leonid S.; Ladizhansky, Vladimir (Biological Magnetic Resonance Bank, 2012)