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:	S404
P-Site Sequence:	KVFRMPISRDSTLGN
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	S404	KVFRMPISRDSTLGN	100 / 9 AA	232
Phosphosite 1:	FN1	P02751	S957	HGQRLPISRNTFAEV	62 / 8 AA	263
Phosphosite 2:	GPR56	Q9Y653	S684	DSARLPISSGSTSSS	66 / 9 AA	78
Phosphosite 3:	RELN	P78509	S1851	EGLRMLISRDLDCTN	85 / 7 AA	388
Phosphosite 4:	CCDC88A	Q3V6T2	S1834	KDSRLPISVDSPPAA	75 / 8 AA	216
Phosphosite 5:	CDR2L	Q86X02	S393	VQTSRPISRDSSWRD	85 / 7 AA	53
Phosphosite 6:	C5	P01031	T120	KSKRMPITYDNGFLF	62 / 8 AA	188
Phosphosite 7:	factor V	P12259	S1232	ALGQMPISPDLSHTT	71 / 7 AA	252
Phosphosite 8:	MUC4	Q99102	S407	RMPISRDSTLGNTEE	100 / 6 AA	232
Phosphosite 9:	KCTD21	Q4G0X4	T39	MFSGKMPTKRDSQGN	62 / 8 AA	30
Phosphosite 10:	ARMCX5	Q6P1M9	S114	KSKAMPMSRVSTVTK	75 / 8 AA	62
Phosphosite 11:	PASD1	Q8IV76	T675	SIPQFPITSDSTIST	55 / 9 AA	87
Phosphosite 12:	LRIG1	Q96JA1	S953	AFHPQPVSRDSAQPS	62 / 8 AA	119
Phosphosite 13:	OOSP1	A8MZH6	S105	IRYISRDSTVRSEMP	100 / 6 AA	14
Phosphosite 14:	OOSP1	A8MZH6	S102	KTKIRYISRDSTVRS	100 / 6 AA	14
Phosphosite 15:	POLD1	P28340	S173	RELNLAISRDSRGGR	71 / 7 AA	124
Phosphosite 16:	KIAA0922	A2VDJ0	S1600	RNANFPLSRDSSYCG	62 / 8 AA	179
Phosphosite 17:	MDC1	Q14676	S641	VEQDLPISRENLTDL	57 / 7 AA	227
Phosphosite 18:	TNXB	P22105	S3481	RKRLGPISADSTTAP	85 / 7 AA	464
Phosphosite 19:	C14orf115	Q9H8Y1	S505	LPLRMPLSRWQRRLR	83 / 6 AA	78
Phosphosite 20:	FNDC1	Q4ZHG4	S903	SSSRQPISRGWEDLR	62 / 8 AA	199