>gi|223718716 opioid receptor, mu 1 isoform MOR-1B1 [Homo sapiens] MDSSAAPTNASNCTDALAYSSCSPAPSPGSWVNLSHLDGNLSDPCGPNRT DLGGRDSLCPPTGSPSMITAITIMALYSIVCVVGLFGNFLVMYVIVRYTK MKTATNIYIFNLALADALATSTLPFQSVNYLMGTWPFGTILCKIVISIDY YNMFTSIFTLCTMSVDRYIAVCHPVKALDFRTPRNAKIINVCNWILSSAI GLPVMFMATTKYRQGSIDCTLTFSHPTWYWENLLKICVFIFAFIMPVLII TVCYGLMILRLKSVRMLSGSKEKDRNLRRITRMVLVVVAVFIVCWTPIHI YVIIKALVTIPETTFQTVSWHFCIALGYTNSCLNPVLYAFLDENFKRCFR EFCIPTSSNIEQQNSTRIRQNTRDHPSTANTVDRTNHQKIDLFQKSSLLN CEHTKG