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:	S217
P-Site Sequence:	TTRESQTSTLTHRTT
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	S217	TTRESQTSTLTHRTT	100 / 9 AA	232
Phosphosite 1:	MUC4	Q99102	T218	TRESQTSTLTHRTTS	100 / 8 AA	232
Phosphosite 2:	PKP1	Q13835	T61	SKSSQSSTLSHSNRG	75 / 8 AA	83
Phosphosite 3:	PKP1	Q13835	S60	KSKSSQSSTLSHSNR	75 / 8 AA	83
Phosphosite 4:	CCNT1	O60563	S552	PKHSSQTSNLAHKTY	75 / 8 AA	81
Phosphosite 5:	DDX11	Q96FC9	S555	PADESQASTLRPASP	85 / 7 AA	108
Phosphosite 6:	GPR179	Q6PRD1	S2338	QEAESQSSSLTEDSG	75 / 8 AA	257
Phosphosite 7:	RABEPK	Q7Z6M1	T345	DSHEESQTATLLCLV	85 / 7 AA	41
Phosphosite 8:	AT1 (Angiotensin II receptor)	P30556	S189	FHYESQNSTLPIGLG	85 / 7 AA	41
Phosphosite 9:	LRRC56	Q8IYG6	S320	LAPEDNTSSLTHGAG	66 / 9 AA	59
Phosphosite 10:	ZNF91	Q05481	T1092	KAFSQSSTLTRHKRL	75 / 8 AA	137
Phosphosite 11:	ZNF91	Q05481	T1008	KAFSQSSTLTRHTRM	75 / 8 AA	137
Phosphosite 12:	NUDT6	P53370	S122	FHHAESDSSTLTLWL	75 / 8 AA	36
Phosphosite 13:	HABP2	Q14520	S57	NQEENTSSTLTHAEN	66 / 9 AA	63
Phosphosite 14:	NUDT6	P53370	S123	HHAESDSSTLTLWLR	75 / 8 AA	36
Phosphosite 15:	ZNF761	Q86XN6	S283	GKTFSQTSSLTCHRR	75 / 8 AA	88
Phosphosite 16:	ZNF813	Q6ZN06	S340	GKTFSQTSSLTCHRR	75 / 8 AA	72
Phosphosite 17:	MARCH-I	Q8TCQ1	T36	ADASQTSTLNEKSPG	100 / 6 AA	32
Phosphosite 18:	ZNF492	Q9P255	T267	RAFSQSSTLTAHKII	85 / 7 AA	66
Phosphosite 19:	ZNF492	Q9P255	S293	CGKAFSQSSTLTTHK	85 / 7 AA	66
Phosphosite 20:	ZNF492	Q9P255	S265	CGRAFSQSSTLTAHK	85 / 7 AA	66