mCerulean3是一種堿性（組成型熒光）青色熒光蛋白，發表于2011年，來源于Aequorea victoria。據報道，它是一種有點緩慢成熟的單體，具有非常低的酸敏感性。 mCerulean3青色熒光蛋白激發光波長是433nm，發射光波長是475nm。
mCerulean3 is a basic (constitutively fluorescent) cyan fluorescent protein published in 2011, derived from Aequorea victoria. It is reported to be a somewhat slowly-maturing monomer with very low acid sensitivity. mCerulean3 Ex：433nmEm：475nm。
