Note - Blast analyses are based on comparisons of the phosphosites and the bordering four amino acids on each side of these phosphosites.

Phosphosite
Human Protein:	XBP1
Human P-Site:	S216
P-Site Sequence:	TTWTQSCSSNALPQS
UniProt:	P17861
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	XBP1	P17861	S216	TTWTQSCSSNALPQS	100 / 9 AA	29
Phosphosite 1:	XBP1	P17861	S217	TWTQSCSSNALPQSL	100 / 8 AA	29
Phosphosite 2:	IDI2	Q9BXS1	S86	GYFTDSCSSHPLYNP	66 / 9 AA	27
Phosphosite 3:	VPS37A	Q8NEZ2	S326	HELSESCSASALQAR	55 / 9 AA	44
Phosphosite 4:	Ig lambda chain V-IV region Hil	P01717	S23	QTARITCSANALPNQ	71 / 7 AA	12
Phosphosite 5:	HEATR5A	Q86XA9	S1432	GIRNGSCSSDGLLDL	71 / 7 AA	222
Phosphosite 6:	LGALS3BP	Q08380	S498	NYGFSCSSDELPVLG	71 / 7 AA	65
Phosphosite 7:	LGALS3BP	Q08380	S497	WNYGFSCSSDELPVL	71 / 7 AA	65
Phosphosite 8:	Bcl-6	P41182	S347	QPNSPTESCSSKNAC	71 / 7 AA	79
Phosphosite 9:	BID	P55957	S29	FGFLQSCSDNSFRRE	62 / 8 AA	22
Phosphosite 10:	HIVEP1	P15822	S1574	FTSGPSCSSNPVHSL	62 / 8 AA	297
Phosphosite 11:	HIVEP1	P15822	S1575	TSGPSCSSNPVHSLP	62 / 8 AA	297
Phosphosite 12:	C5orf25	Q8NDZ2	S684	VDRTPTCSSNKIAEM	71 / 7 AA	97
Phosphosite 13:	ERVK5	Q9HDB8	S170	NCSGQTQSCPSAQVS	83 / 6 AA	28
Phosphosite 14:	HERV-K_1q22 provirus ancestral Pol protein	P63135	S1041	NCSGQTQSCPSAQVS	83 / 6 AA	165
Phosphosite 15:	HERV-K_11q22.1 provirus ancestral Env polyprotein	P61570	S281	NCSGQTQSCPSAQVS	83 / 6 AA	75
Phosphosite 16:	HERV-K_1q22 provirus ancestral Env polyprotein	P61567	S170	NCSGQTQSCPSAQVS	83 / 6 AA	67
Phosphosite 17:	HERV-K_22q11.21 provirus ancestral Env polyprotein	P61566	S170	NCSGQTQSCPSAQVS	83 / 6 AA	67
Phosphosite 18:	HERV-K_1q23.3 provirus ancestral Env polyprotein	O42043	S170	NCSGQTQSCPSAQVS	83 / 6 AA	64
Phosphosite 19:	BAZ1A	Q9NRL2	T171	SDSDDSETQSCSFQN	100 / 5 AA	179
Phosphosite 20:	IDI2	Q9BXS1	S84	FPGYFTDSCSSHPLY	71 / 7 AA	27