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:	S223
P-Site Sequence:	SSNALPQSLPAWRSS
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	S223	SSNALPQSLPAWRSS	100 / 9 AA	29
Phosphosite 1:	ABCC2	Q92887	S1098	VDDTLPQSLRSWITC	66 / 9 AA	174
Phosphosite 2:	MCM3AP	O60318	S1032	PLSSLPQSLPAPAPS	87 / 8 AA	218
Phosphosite 3:	DHX57	Q6P158	S543	SILQERQSLPAWEER	85 / 7 AA	156
Phosphosite 4:	Wnk2	Q9Y3S1	S665	EGPVLPQSLPSLGAY	66 / 9 AA	243
Phosphosite 5:	MAPKBP1	O60336	S825	PSPALPRSLSHWEMS	66 / 9 AA	164
Phosphosite 6:	TICAM1	Q8IUC6	S654	QPAAFPQSLPFPQSP	85 / 7 AA	76
Phosphosite 7:	USP26	Q9BXU7	S759	PQQALPQSFPKPGTQ	85 / 7 AA	104
Phosphosite 8:	PITPNM1	O00562	S331	AVSPQSLSEWRMQNI	71 / 7 AA	135
Phosphosite 9:	DQX1	Q8TE96	S578	QRIELPLSLPAFGSE	66 / 9 AA	79
Phosphosite 10:	PITPNM1	O00562	S329	GGAVSPQSLSEWRMQ	71 / 7 AA	135
Phosphosite 11:	JUB	Q96IF1	S104	RALPLPQSLPPDFRL	75 / 8 AA	57
Phosphosite 12:	HAUS6	Q7Z4H7	S624	HREVLPESLPVLHNQ	55 / 9 AA	109
Phosphosite 13:	TAF1C	Q15572	S535	RLAGPPQSLPSRIDS	71 / 7 AA	95
Phosphosite 14:	POLR2A	P24928	S508	MNLHLPQSLETRAEI	62 / 8 AA	217
Phosphosite 15:	POLH	Q9Y253	S566	NCKALPNSLPTEYPG	75 / 8 AA	78
Phosphosite 16:	HGS	O14964	S681	VASQAPQSLPAISQP	100 / 6 AA	86
Phosphosite 17:	CCDC42B	A6NFT4	T296	YGTSSPQTLPLWKNE	71 / 7 AA	36
Phosphosite 18:	NOTCH1	P46531	S2467	ESPALPTSLPSSLVP	66 / 9 AA	273
Phosphosite 19:	SLCO3A1	Q9UIG8	S288	LMFGFPQSLPPHSDP	55 / 9 AA	76
Phosphosite 20:	MRF	Q9Y2G1	S1092	EEGSLPQSLHTHQDT	55 / 9 AA	124