>1iox_A mol:protein length:50 Betacellulin RKGHFSRCPKQYKHYCIKGRCRFVVAEQTPSCVCDEGYIGARCERVDLFY >1iox_A mol:protein length:50 Betacellulin RKGHFSRCPKQYKHYCIKGRCRFVVAEQTPSCVCDEGYIGARCERVDLFY