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:	S1238
P-Site Sequence:	LSTDGSRSYALFLYQ
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	S1238	LSTDGSRSYALFLYQ	100 / 9 AA	232
Phosphosite 1:	MUC4	Q99102	Y1239	STDGSRSYALFLYQS	100 / 8 AA	232
Phosphosite 2:	SMC6L1	Q96SB8	S153	ISIDGSRSYKLKSAT	87 / 8 AA	126
Phosphosite 3:	SOCS6	O14544	S239	YPLEGSRSYCLDSSS	75 / 8 AA	60
Phosphosite 4:	REG3G	Q6UW15	Y52	KAYGSPCYALFLSPK	75 / 8 AA	19
Phosphosite 5:	VWF	P04275	S1973	FKLTGSCSYVLFQNK	75 / 8 AA	309
Phosphosite 6:	VWF	P04275	Y1974	KLTGSCSYVLFQNKE	75 / 8 AA	309
Phosphosite 7:	NID2	Q14112	Y194	ASDGSDSYALFLYPA	87 / 8 AA	151
Phosphosite 8:	IPO4	Q8TEX9	S631	PQYDGSSSFLLFDDE	66 / 9 AA	119
Phosphosite 9:	SMC6L1	Q96SB8	S151	QHISIDGSRSYKLKS	100 / 6 AA	126
Phosphosite 10:	SOCS6	O14544	Y240	PLEGSRSYCLDSSSP	85 / 7 AA	60
Phosphosite 11:	ADARB1	P78563	S469	PILEGSRSYTQAGVQ	62 / 8 AA	81
Phosphosite 12:	WWC3	Q9ULE0	S68	HKMCEDDSRSYASSF	85 / 7 AA	123
Phosphosite 13:	ATXN1	P54253	Y426	GKPGHRSYALSPHTV	85 / 7 AA	87
Phosphosite 14:	ATXN1	P54253	S425	LGKPGHRSYALSPHT	85 / 7 AA	87
Phosphosite 15:	WWC3	Q9ULE0	S70	MCEDDSRSYASSFSG	85 / 7 AA	123
Phosphosite 16:	SMC6L1	Q96SB8	Y154	SIDGSRSYKLKSATG	85 / 7 AA	126
Phosphosite 17:	DNAJC5B	Q9UF47	S192	TQLIKEGSRSYCTDS	83 / 6 AA	22
Phosphosite 18:	DENND5B	Q6ZUT9	S110	IITREDGSRTYGFVL	71 / 7 AA	145
Phosphosite 19:	APCS	P02743	Y66	YSDLSRAYSLFSYNT	71 / 7 AA	25
Phosphosite 20:	RTKN2	Q8IZC4	Y128	NKERSRRYAIFCLFK	71 / 7 AA	69