>9ejs_B mol:protein length:271 Tyrosine-protein kinase BTKMEIDPKDLTFLKELGTGQFGVVKYGKWRGQYDVAIRMIREGSMSEDEFIEEAKVMMNLSHEKLVQLYGVCTKQRPIFIITEYMANGCLLNYLREMRHRFQTQQLLEMCKDVCEAMEYLESKQFLHRDLAARNCLVNDQGVVKVSDFGMTRYVLDDEYTSSTGSKFPVKWASPEVLMYSKFSSKSDIWAFGVLMWEIYSLGKMPYERFTNSETAEHIAQGLRLPRPHLASERVYTIMYSCWHEKADERPSFKILLSNILDVMDEESHHHHHH