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:	SPSB4
Human P-Site:	S139
P-Site Sequence:	LVGSDAESWGWDLGR
UniProt:	Q96A44
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	SPSB4	Q96A44	S139	LVGSDAESWGWDLGR	100 / 9 AA	30
Phosphosite 1:	SPSB2	Q99619	S130	LLGSNSESWGWDIGR	77 / 9 AA	29
Phosphosite 2:	FBXO45	P0C2W1	S195	LLGSDDQSWGWNLVD	66 / 9 AA	31
Phosphosite 3:	neurogenin 1	Q92886	S185	SPASDAESWGSGAAA	100 / 7 AA	26
Phosphosite 4:	SPTBN4	Q9H254	S658	QELEEAESWARDKER	62 / 8 AA	289
Phosphosite 5:	PNLIPRP1	P54315	T31	DLGCFSDTEPWGGTA	71 / 7 AA	52
Phosphosite 6:	NF-E2	Q16621	S157	LNYSDAESLELEGTE	55 / 9 AA	41
Phosphosite 7:	FAM134C	Q86VR2	S126	PDALDNESWGFVHPR	71 / 7 AA	51
Phosphosite 8:	IL28RA	Q8IU57	S498	IEDSDAGSWGAESTQ	85 / 7 AA	58
Phosphosite 9:	SPSB2	Q99619	S128	AALLGSNSESWGWDI	71 / 7 AA	29
Phosphosite 10:	SPTAN1	Q13813	S904	ADANEAESWMREKEP	44 / 9 AA	285
Phosphosite 11:	TSEN54	Q7Z6J9	S336	GRETDAESWCQKLNQ	83 / 6 AA	59
Phosphosite 12:	SPAG5	Q96R06	T336	GRILGSDTESWMSPL	83 / 6 AA	134
Phosphosite 13:	LAMA4	Q16363	S459	ELLSQAESWQRLHNE	62 / 8 AA	203
Phosphosite 14:	SPAG5	Q96R06	S338	ILGSDTESWMSPLAW	83 / 6 AA	134
Phosphosite 15:	TARS	P26639	S97	GKQVDAESWKTTPYQ	100 / 5 AA	83
Phosphosite 16:	AKAP13	Q12802	S1975	SKQLEAESWSRIIDS	57 / 7 AA	308
Phosphosite 17:	HUWE1	Q7Z6Z7	S169	RLQHLAESWGGKENG	100 / 5 AA	482
Phosphosite 18:	KIAA1838	Q96EK7	S349	PMCSDAESRQEVPMC	83 / 6 AA	104
Phosphosite 19:	FAM160B2	Q86V87	S579	ECSSRVASWGWPLTP	62 / 8 AA	82
Phosphosite 20:	TKTL1	P51854	S230	PSIEDAESWHAKPMP	100 / 5 AA	65