>|Ratiometric matryoshka biosensor for Fe2+(MDtxRGA G149)
MRGSHHHHHHHHHHGMASMTGGQQMGRDLYDDDDKDPGRMKDLVDTTEMYLRTIYELEEEGIVPLRARIAERLEQSGPTVSQTVARMERDGLVHVSPDRSLEMTPEGRSLAIAVMRKHRLAERLLTDIIGLDIHKVHDEACRWEHVMSDEVERRLVEVLDDVHRSPFGNPIPGLGEIGLDQADEPDSGPASHNVYITADKQKNGIKANFTVRHNVEDGSVQLADHYQQNTPIGDGPVLLPDNHYLSTQTKLSKDPNEKRDHMVLLEFVTAAGITHGMDELYGGTVSKGEENNMAIIKEFMRFKVHMEGSVNGHEFEIEGEGEGRPYEAFQTAKLKVTKGGPLPFTWDILSPQFMYGSKVYIKHPADIPDYFKLSFPEGFRWERVMIFEDGGIIHVNQDSSLQDGVFIYKVKLRGTNFPSDGPVMQKKTMGLEACEERMYPEDGALKSEYKEWLKLKDGGHYAAEVKTTYKAKKPVQLPGAYIVDIKLDIVSHNEDYTIVEQYERAEGRHSTGGMDELYKGGSASQGEELFTGVVPILVELDGDVNGHKFSVRGEGEGDATIGKLTLKFISTTGKLPVPWPTLVTTLTYGVQCFSRYPDHMKRHDFFKSAMPEGYVQERTISFKDDGKYKTRAVVKFEGDTLVNRIELKGTDFKEDGNILGHKLEYNFNNPVRAIDLPLGENLKARIVQLNEILQVDLEQFQALTDAGVEIGTEVDIINEQGRVVITHNGSSVELIDDLAHAVRVEKVEG