>4r6v_A: Fibroblast growth factor receptor 4 MGSSHHHHHHSQDPLLAGLVSLDLPLDPLWEFPRDRLVLGKPLGEGCFGQVVRAEAFGMDPARPDQASTVAVKMLKDNAS DKDLADLVSEMEVMKLIGRHKNIINLLGVCTQEGPLYVILECAAKGNLREFLRARRPPGPDLSPDGPRSSEGPLSFPVLV SCAYQVARGMQYLESRKCIHRDLAARNVLVTEDNVMKIADFGLARGVHHIDYYKKTSNGRLPVKWMAPEALFDEVYTHQS DVWSFGILLWEIFTLGGSPYPGIPVEELFSLLREGHRMDRPPHCPPELYGLMRECWHAAPSQRPTFKQLVEALDKVLLAV SEE