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:	S229
P-Site Sequence:	QSLPAWRSSQRSTQK
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	S229	QSLPAWRSSQRSTQK	100 / 9 AA	29
Phosphosite 1:	XBP1	P17861	S230	SLPAWRSSQRSTQKD	100 / 8 AA	29
Phosphosite 2:	LRBA	P50851	S2350	ISRAWRNSQRDTSDI	85 / 7 AA	319
Phosphosite 3:	ATXN2	Q99700	S30	ARWPGWRSLQRPARR	66 / 9 AA	140
Phosphosite 4:	FBXO16	Q8IX29	S221	KALPPWRSSDKHPTD	62 / 8 AA	35
Phosphosite 5:	NBEA	Q8NFP9	S2424	VARSWRTSQRDTSDV	71 / 7 AA	328
Phosphosite 6:	SALL3	Q9BXA9	S552	SATPASRSPQRPSPA	75 / 8 AA	135
Phosphosite 7:	SSPO	A2VEC9	S3906	PARPAWRSRTRLCLA	75 / 8 AA	548
Phosphosite 8:	C2orf80	Q0P641	S179	ANATEWKSSQRFSDT	71 / 7 AA	22
Phosphosite 9:	C2orf80	Q0P641	S180	NATEWKSSQRFSDTQ	71 / 7 AA	22
Phosphosite 10:	RPAP2	Q8IXW5	S426	HFPAWRESQNSLDES	75 / 8 AA	70
Phosphosite 11:	PROKR2	Q8NFJ6	S355	MLLHWRPSQRGSKSS	71 / 7 AA	44
Phosphosite 12:	DPH2	Q9BQC3	S425	RPPPAWKSSNDHGSL	83 / 6 AA	52
Phosphosite 13:	PCNX	Q96RV3	S1901	EGDPAWRSAVLANSP	83 / 6 AA	259
Phosphosite 14:	HILS1	P60008	S197	QRQQRWRSGQRPFGQ	83 / 6 AA	26
Phosphosite 15:	PCNXL3	Q9H6A9	S1689	EGDPAWRSAILSNTP	83 / 6 AA	222
Phosphosite 16:	ZNF786	Q8N393	S74	PFRKWRESQKSGNII	71 / 7 AA	90
Phosphosite 17:	USP19	O94966	S1177	ARLPNDRSSQRSDVG	77 / 9 AA	146
Phosphosite 18:	MAGE-D4	Q96JG8	S375	VPPTWRASQPSLTVR	62 / 8 AA	81
Phosphosite 19:	WDR66	Q8TBY9	S50	DTIAWRESQEEERKT	83 / 6 AA	131
Phosphosite 20:	EEA1	Q15075	S1260	VKKEWQSSQRRVSEL	71 / 7 AA	162