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:	S554
P-Site Sequence:	PGEPTTYSSHSTTLP
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	S554	PGEPTTYSSHSTTLP	100 / 9 AA	232
Phosphosite 1:	MUC4	Q99102	Y553	EPGEPTTYSSHSTTL	100 / 8 AA	232
Phosphosite 2:	MUC4	Q99102	T552	GEPGEPTTYSSHSTT	100 / 7 AA	232
Phosphosite 3:	MUC4	Q99102	S555	GEPTTYSSHSTTLPK	100 / 8 AA	232
Phosphosite 4:	HOXB1	P14653	S23	NRGPSAYSAHSAPTS	55 / 9 AA	32
Phosphosite 5:	HOXB1	P14653	Y22	CNRGPSAYSAHSAPT	62 / 8 AA	32
Phosphosite 6:	MUC4	Q99102	T551	IGEPGEPTTYSSHST	100 / 6 AA	232
Phosphosite 7:	PTCH1	Q13635	Y645	RYSPPPPYSSHSFAH	75 / 8 AA	161
Phosphosite 8:	PTCH1	Q13635	S646	YSPPPPYSSHSFAHE	75 / 8 AA	161
Phosphosite 9:	TPD52L3	Q96J77	S15	TSVGTYESHSTSELE	85 / 7 AA	15
Phosphosite 10:	C15orf2	Q9NZP6	T885	QADRRPTTTSSHPLN	85 / 7 AA	121
Phosphosite 11:	SUPT7L	O94864	S390	DSDSSYGSHSTDSLM	62 / 8 AA	46
Phosphosite 12:	PTPN21	Q16825	S396	IRNGSVYSAHSTNSL	62 / 8 AA	133
Phosphosite 13:	C20orf23	Q96L93	S1312	KKGVFDYSSHGTG__	83 / 6 AA	152
Phosphosite 14:	KRTAP15-1	Q3LI76	T126	SSFYHPTTFSSRNFQ	71 / 7 AA	15
Phosphosite 15:	C15orf2	Q9NZP6	T886	ADRRPTTTSSHPLNT	85 / 7 AA	121
Phosphosite 16:	C15orf2	Q9NZP6	S887	DRRPTTTSSHPLNTG	85 / 7 AA	121
Phosphosite 17:	SUPT7L	O94864	S392	DSSYGSHSTDSLMGS	83 / 6 AA	46
Phosphosite 18:	SCN10A	Q9Y5Y9	S291	NETTNYSSHRKPDIY	83 / 6 AA	221
Phosphosite 19:	GPR112	Q8IZF6	S1842	SFVYSPHSTEAEIST	83 / 6 AA	301
Phosphosite 20:	PTPN21	Q16825	S399	GSVYSAHSTNSLNNP	83 / 6 AA	133