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:	ATF6B
Human P-Site:	S421
P-Site Sequence:	VSISEPPSAPISPRM
UniProt:	Q99941
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	ATF6B	Q99941	S421	VSISEPPSAPISPRM	100 / 9 AA	77
Phosphosite 1:	IL16	Q14005	S340	SFALESPSAPISTAK	87 / 8 AA	142
Phosphosite 2:	MetAP2	P50579	S117	KVQTDPPSVPICDLY	55 / 9 AA	53
Phosphosite 3:	SH2B1	Q9NRF2	S447	GGLSDRPSASISPSS	66 / 9 AA	79
Phosphosite 4:	WDR7	Q9Y4E6	S970	HSGSDPPSAPALHTC	85 / 7 AA	164
Phosphosite 5:	REPS2	Q8NFH8	S563	VLYSQPPSKPIRRKF	75 / 8 AA	72
Phosphosite 6:	ZNF703	Q9H7S9	S285	GRKSEPPSALVGAGH	66 / 9 AA	58
Phosphosite 7:	NCOR1	O75376	S157	GGKHEAPSSPISGQP	75 / 8 AA	270
Phosphosite 8:	NCOR1	O75376	S158	GKHEAPSSPISGQPC	75 / 8 AA	270
Phosphosite 9:	SETD1B	Q9UPS6	S648	ISDDEMPSAPITSAD	75 / 8 AA	209
Phosphosite 10:	CPEB3	Q8NE35	S37	SSVSEAPSTPLSSET	66 / 9 AA	76
Phosphosite 11:	TMEM132D	Q14C87	T1036	DQKSEPPTSPTSKRK	66 / 9 AA	122
Phosphosite 12:	C3orf20	Q8ND61	S626	TLKDEPESAPVSPVR	75 / 8 AA	101
Phosphosite 13:	RNASEN	Q9NRR4	S57	QYQYEPPSAPSTTFS	100 / 6 AA	159
Phosphosite 14:	IQCE	Q6IPM2	S574	AHGSEPPSVPGLPDQ	85 / 7 AA	77
Phosphosite 15:	TXNDC5	Q8NBS9	S183	EPEVEPPSAPELKQG	100 / 6 AA	48
Phosphosite 16:	GGN	Q86UU5	S327	EGCSGPPSAPASQAR	77 / 9 AA	67
Phosphosite 17:	SAP130	Q9H0E3	S327	LSIQHPPSAAISIQR	85 / 7 AA	110
Phosphosite 18:	ARPP-21	Q9UBL0	S574	GETPEPPSGPVYPSS	71 / 7 AA	89
Phosphosite 19:	SDK1	Q7Z5N4	S769	MLPEEPPSAPPKNIV	100 / 6 AA	242
Phosphosite 20:	SMARCE1	Q969G3	T401	ATVEEPPTDPIPEDE	71 / 7 AA	47