XBP1 GI:14110395 X-box binding protein 1 isoform XBP1(U) 1 mvvvaaapnp adgtpkvlll sgqpasaaga pagqalplmv paqrgaspea 50 51 asgglpqark rqrlthlspe ekalrrklkn rvaaqtardr kkarmseleq 100 101 qvvdleeenq klllenqllr ekthglvven qelrqrlgmd alvaeeeaea 150 151 kgnevrpvag saesaalrlr aplqqvqaql splqnispwi lavltlqiqs 200 201 liscwafwtt wtqscssnal pqslpawrss qrstqkdpvp yqppflcqwg 250 251 rhqpswkplm n