5UKG:
reference: A genetically encoded Ca(2+) indicator based on circularly permutated sea anemone red fluorescent protein eqFP578., Shen Y, Dana H, Abdelfattah AS, Patel R, Shea J, Molina RS, Rawal B, Rancic V, Chang YF, Wu L, Chen Y, Qian Y, Wiens MD, Hambleton N, Ballanyi K, Hughes TE, Drobizhev M, Kim DS, Koyama M, Schreiter ER, Campbell RE, BMC Biol. 2018 Jan 16;16(1):9. doi: 10.1186/s12915-018-0480-0. PMID: 29338710

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