BID GI:4557361 BH3 interacting domain death agonist isoform 2 1 mdcevnngss lrdecitnll vfgflqscsd nsfrreldal ghelpvlapq 50 51 wegydelqtd gnrsshsrlg rieadsesqe diirniarhl aqvgdsmdrs 100 101 ippglvngla lqlrntsrse edrnrdlata leqllqaypr dmekektmlv 150 151 lalllakkva shtpsllrdv fhttvnfinq nlrtyvrsla rngmd