passages.id: split_6_test_3286_passage
passages.type: progene_text
passages.text: The specific binding to 14-3-3 of EAP30 subunit of ELL complex ( EAP30 ) , dead box polypeptide 54 ( DDX54 ) , and src homology three ( SH3 ) and cysteine rich domain ( STAC ) was verified by immunoprecipitation analysis of the recombinant proteins expressed in HEK293 cells .