>4cq4_A mol:protein length:309 ENGINEERED VERSION OF TRANSMEMBRANE RECEPTOR AF1503MTSSAEEAKQGVTTVSQEYLTKAGEEAVRMKAQDLALAVQTYIEAKMKLENKTMLTTFDLIQDPKFRSLGAQRWGAKEYTWVGAGNKVAGRDVAVILTHPAFTGQYEKYLGVDVAMLRWNETMPELYNLLLKITENPEAPKPVCGYYHWDDPETPEKEEIPKYLCHYPTTIKVYDPISKGQLWVVVGTSAYIDGYFQYLTQNPANPAENIASEISKSVEGAIQQVKNLLTLAADRAEQIVNDLASTTTSTITRPIIELSNTADKIAEGNLEAEVPHQNRADEIGILAKSIERLRRSLKVAMESLEEALK