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:	MUC4
Human P-Site:	S416
P-Site Sequence:	LGNTEETSLSVSGTI
UniProt:	Q99102
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	MUC4	Q99102	S416	LGNTEETSLSVSGTI	100 / 9 AA	232
Phosphosite 1:	MUC4	Q99102	S418	NTEETSLSVSGTISA	100 / 7 AA	232
Phosphosite 2:	HERV-K_5q33.3 provirus ancestral Gag polyprotein	P87889	S101	PFQTEEDSISVSDAP	77 / 9 AA	74
Phosphosite 3:	HERV-K_6q14.1 provirus ancestral Gag-Pol polyprotein	P63128	S101	PFQTEEDSISVSDAP	77 / 9 AA	124
Phosphosite 4:	HERV-K_6q14.1 provirus ancestral Gag polyprotein	P63126	S101	PFQTEEDSISVSDAP	77 / 9 AA	74
Phosphosite 5:	HERV-K_8p23.1 provirus ancestral Gag polyprotein	P62685	S101	PFQTEEDSISVSDAP	77 / 9 AA	72
Phosphosite 6:	HERV-K_12q14.1 provirus ancestral Gag polyprotein	P62683	S101	PFQTEEDSISVSDAP	77 / 9 AA	74
Phosphosite 7:	BRCA1	P38398	S151	NPSLQETSLSVQLSN	85 / 7 AA	208
Phosphosite 8:	BRCA1	P38398	T150	ENPSLQETSLSVQLS	85 / 7 AA	208
Phosphosite 9:	HERV-K_19q12 provirus ancestral Gag polyprotein	Q9YNA8	S101	PFQTEEDSVSVSDAP	77 / 9 AA	74
Phosphosite 10:	ERVK6	Q7LDI9	S101	PFQTEEDSVSVSDAP	77 / 9 AA	74
Phosphosite 11:	HERV-K_22q11.21 provirus ancestral Gag polyprotein	P63145	S101	PFQTEEDSVSVSDAP	77 / 9 AA	74
Phosphosite 12:	HERV-K_19p13.11 provirus ancestral Gag polyprotein	P62684	S101	PFQTEEDSVSVSDAP	77 / 9 AA	74
Phosphosite 13:	Ig lambda chain V region 4A	P04211	S29	TVVTQEPSLTVSPGG	66 / 9 AA	12
Phosphosite 14:	NASP	P49321	T425	LVPSQEETKLSVEES	85 / 7 AA	85
Phosphosite 15:	TRPM1	Q7Z4N2	S1288	ELLFEDTSLSTSPGT	75 / 8 AA	174
Phosphosite 16:	Syntaphilin	O15079	S276	DCGTEETSLHSSFGL	100 / 6 AA	54
Phosphosite 17:	KIAA1109	Q2LD37	T686	SLSEMEETMLSVLRP	85 / 7 AA	555
Phosphosite 18:	BRCA1	P38398	S153	SLQETSLSVQLSNLG	100 / 6 AA	208
Phosphosite 19:	CCNT2	O60583	S371	YSQKQETSLSGSQYN	75 / 8 AA	81
Phosphosite 20:	ARMCX5	Q6P1M9	S193	FWPEEETSLQVYKPL	85 / 7 AA	62