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:	S217
P-Site Sequence:	TWTQSCSSNALPQSL
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	S217	TWTQSCSSNALPQSL	100 / 9 AA	29
Phosphosite 1:	XBP1	P17861	S216	TTWTQSCSSNALPQS	100 / 8 AA	29
Phosphosite 2:	LTBP3	Q9NS15	S291	LPKQPCGSNPLPGLT	66 / 9 AA	139
Phosphosite 3:	LGALS3BP	Q08380	S498	NYGFSCSSDELPVLG	75 / 8 AA	65
Phosphosite 4:	C21orf62	Q9NYP8	T109	LKLSLCSTNTLPTEY	71 / 7 AA	25
Phosphosite 5:	TMEM151A	Q8N4L1	S386	RCRRSVSSNSLPPAR	66 / 9 AA	51
Phosphosite 6:	FMN1	Q68DA7	S199	GKDKICSSHSLPLSR	71 / 7 AA	158
Phosphosite 7:	FMN1	Q68DA7	S201	DKICSSHSLPLSRTR	71 / 7 AA	158
Phosphosite 8:	Ig lambda chain V-IV region Hil	P01717	S23	QTARITCSANALPNQ	71 / 7 AA	12
Phosphosite 9:	LTBP2	Q14767	S312	TASSQLSSNALPPGP	100 / 6 AA	195
Phosphosite 10:	SHROOM1	Q2M3G4	S250	LGEACSSSGLPGPEP	71 / 7 AA	91
Phosphosite 11:	VPS37A	Q8NEZ2	S326	HELSESCSASALQAR	62 / 8 AA	44
Phosphosite 12:	HEATR5A	Q86XA9	S1432	GIRNGSCSSDGLLDL	71 / 7 AA	222
Phosphosite 13:	IRS1	P35568	S686	PSSSSSSSNAVPSGT	75 / 8 AA	132
Phosphosite 14:	LGALS3BP	Q08380	S497	WNYGFSCSSDELPVL	71 / 7 AA	65
Phosphosite 15:	IDI2	Q9BXS1	S86	GYFTDSCSSHPLYNP	62 / 8 AA	27
Phosphosite 16:	BID	P55957	S29	FGFLQSCSDNSFRRE	62 / 8 AA	22
Phosphosite 17:	PLAA	Q9Y263	S485	VPGSSGSSNTLPTAD	75 / 8 AA	87
Phosphosite 18:	MKS1	Q9NXB0	S388	FLHEDESSDALPEWP	83 / 6 AA	65
Phosphosite 19:	LRRC53	A6NM62	T1062	SEKGIDSTNALPRND	83 / 6 AA	141
Phosphosite 20:	VPS45	Q9NRW7	S400	LHYERHSSNSLPGLM	55 / 9 AA	65