>9EJS_1|Chains A, B, C|Tyrosine-protein kinase BTK|Mus musculus (10090) MEIDPKDLTFLKELGTGQFGVVKYGKWRGQYDVAIRMIREGSMSEDEFIEEAKVMMNLSHEKLVQLYGVCTKQRPIFIITEYMANGCLLNYLREMRHRFQTQQLLEMCKDVCEAMEYLESKQFLHRDLAARNCLVNDQGVVKVSDFGMTRYVLDDEYTSSTGSKFPVKWASPEVLMYSKFSSKSDIWAFGVLMWEIYSLGKMPYERFTNSETAEHIAQGLRLPRPHLASERVYTIMYSCWHEKADERPSFKILLSNILDVMDEESHHHHHH