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:	NOTCH4
Human P-Site:	S378
P-Site Sequence:	IDRVGSFSCLCPPGR
UniProt:	Q99466
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	NOTCH4	Q99466	S378	IDRVGSFSCLCPPGR	100 / 9 AA	210
Phosphosite 1:	SLIT1	O75093	Y1105	CMDEVNSYSCLCAEG	75 / 8 AA	168
Phosphosite 2:	LTBP2	Q14767	Y1158	CKNTVGSYQCLCPQG	75 / 8 AA	195
Phosphosite 3:	GAS6	Q14393	S220	KNLPGSYSCLCDEGF	85 / 7 AA	80
Phosphosite 4:	FBN2	P35556	S834	RNTPGSYSCTCPPGY	75 / 8 AA	315
Phosphosite 5:	FBN3	Q75N90	S748	QNSPGSYSCSCPPGF	75 / 8 AA	300
Phosphosite 6:	LTBP1	Q14766	Y1688	CINTDGSYKCLCLPG	71 / 7 AA	173
Phosphosite 7:	Putative uncharacterized protein PRO0461	Q9UI25	S16	NSGTHVGSFSCSPQP	100 / 6 AA	7
Phosphosite 8:	Putative uncharacterized protein PRO0461	Q9UI25	S18	GTHVGSFSCSPQPSQ	100 / 6 AA	7
Phosphosite 9:	SPIB	Q01892	Y18	GPHFSCLYPDGVFYD	83 / 6 AA	29
Phosphosite 10:	SPIB	Q01892	S15	QLDGPHFSCLYPDGV	83 / 6 AA	29
Phosphosite 11:	MTHFD1L	Q6UB35	S448	TAHLNVNSFACLRQP	71 / 7 AA	106
Phosphosite 12:	FBN2	P35556	T836	TPGSYSCTCPPGYVF	71 / 7 AA	315
Phosphosite 13:	ATP10A	O60312	S955	GKVSMRFSSLCPPST	83 / 6 AA	168
Phosphosite 14:	ATP10A	O60312	S956	KVSMRFSSLCPPSTS	83 / 6 AA	168
Phosphosite 15:	GAS6	Q14393	S218	RCKNLPGSYSCLCDE	83 / 6 AA	80
Phosphosite 16:	FBLN1	P23142	S239	SCINTVGSFRCQRDS	71 / 7 AA	77
Phosphosite 17:	HEXDC	Q8WVB3	S110	AHLREVGSFPCTLNP	83 / 6 AA	54
Phosphosite 18:	K2	P35908	S41	RRSTSSFSCLSRHGG	55 / 9 AA	65
Phosphosite 19:	FAM134B	Q9H6L5	S286	DDSELDFSALCPKIS	83 / 6 AA	55
Phosphosite 20:	NFX1	Q12986	S556	SDGFGDFSCLKICGK	83 / 6 AA	124