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:	S924
P-Site Sequence:	RTGTSRGSDTISLAS
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	S924	RTGTSRGSDTISLAS	100 / 9 AA	232
Phosphosite 1:	MUC4	Q99102	T926	GTSRGSDTISLASQA	100 / 7 AA	232
Phosphosite 2:	MDGA1	Q8NFP4	T175	IWKRGSDTLSHSQDN	85 / 7 AA	106
Phosphosite 3:	MDGA1	Q8NFP4	S173	RFIWKRGSDTLSHSQ	85 / 7 AA	106
Phosphosite 4:	C1RL	Q9NZP8	S178	ISEASRGSEAINAPG	55 / 9 AA	53
Phosphosite 5:	RAB6B	Q9NRW1	S117	DVRTERGSDVIIMLV	75 / 8 AA	23
Phosphosite 6:	RAB6A	P20340	S117	DVRTERGSDVIIMLV	75 / 8 AA	24
Phosphosite 7:	C9orf128	A6H8Z2	T392	RGGRPRGTDTVSNWH	62 / 8 AA	45
Phosphosite 8:	CSE1L	P55060	S716	QAFLERGSNTIASAA	71 / 7 AA	110
Phosphosite 9:	RNF17	Q9BXT8	S1240	EACAVRGSDTLWYRG	71 / 7 AA	185
Phosphosite 10:	C9orf128	A6H8Z2	T394	GRPRGTDTVSNWHRP	71 / 7 AA	45
Phosphosite 11:	RNF17	Q9BXT8	T1242	CAVRGSDTLWYRGKV	71 / 7 AA	185
Phosphosite 12:	DNAJB11	Q9UBS4	S132	DRNIPRGSDIIVDLE	62 / 8 AA	41
Phosphosite 13:	WDR42A	Q5TAQ9	T67	TSTESRGTDTESSGE	75 / 8 AA	67
Phosphosite 14:	FILIP1L	Q4L180	S6	__MRSRGSDTEGSAQ	100 / 6 AA	130
Phosphosite 15:	TRIM54	Q9BYV2	S67	PLWQSRGSTTVSSGG	75 / 8 AA	40
Phosphosite 16:	Kv7.1	P51787	T587	SKDRGSNTIGARLNR	71 / 7 AA	75
Phosphosite 17:	ADD1	P35611	S135	NDLRGSDSIAYDKGE	71 / 7 AA	81
Phosphosite 18:	VSX1	Q9NZR4	S312	ESGSQRGSDKVSPEN	71 / 7 AA	38
Phosphosite 19:	Kv7.1	P51787	S585	EKSKDRGSNTIGARL	71 / 7 AA	75
Phosphosite 20:	ADD1	P35611	S133	PVNDLRGSDSIAYDK	71 / 7 AA	81