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:	PC4
Human P-Site:	S73
P-Site Sequence:	IGKMRYVSVRDFKGK
UniProt:	P53999
Intern. Prot. ID:	IPI00221222

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	PC4	P53999	S73	IGKMRYVSVRDFKGK	100 / 9 AA	14
Phosphosite 1:	ADAMTS9	Q9P2N4	S1208	GTRMRYVSCRDENGS	87 / 8 AA	216
Phosphosite 2:	PC4	P53999	Y71	FQIGKMRYVSVRDFK	100 / 7 AA	14
Phosphosite 3:	C19orf45	Q8NA69	S43	EGTMRTTSHRDFAYP	66 / 9 AA	57
Phosphosite 4:	ADAMTS9	Q9P2N4	Y1206	GKGTRMRYVSCRDEN	85 / 7 AA	216
Phosphosite 5:	USP8	P40818	S846	TGQYRYISPKDFKIT	62 / 8 AA	128
Phosphosite 6:	ADAMTS20	P59510	S1178	GTQARYVSCRDALDR	85 / 7 AA	215
Phosphosite 7:	FSCN2	O14926	S272	AANHRYVSVRQGVNV	85 / 7 AA	55
Phosphosite 8:	R3HDML	Q9H3Y0	S59	YRRKRHISVRDMNAL	55 / 9 AA	29
Phosphosite 9:	C2orf34	Q7Z624	S61	DDCLRHVSVRRFESF	66 / 9 AA	36
Phosphosite 10:	KIAA0232	Q92628	Y312	ELKASMKYVKVRHKA	71 / 7 AA	155
Phosphosite 11:	RPP25	Q9BUL9	S101	VTRLRYRSVREVWQS	62 / 8 AA	21
Phosphosite 12:	SAP130	Q9H0E3	Y888	IDEEGVRYVPVRPRP	71 / 7 AA	110
Phosphosite 13:	C9orf30	Q96H12	S63	YNSQPSVSLRDFKQL	83 / 6 AA	32
Phosphosite 14:	LYSMD2	Q8IV50	S175	PVQPEEVSARDFLQR	83 / 6 AA	23
Phosphosite 15:	CELSR2	Q9HCU4	S1245	ENYMRCVSVLRFDSS	66 / 9 AA	317
Phosphosite 16:	MYCBP2	O75592	Y3756	VKGINARYVSVHVDN	83 / 6 AA	510
Phosphosite 17:	Lyn	P07948	S168	LKGSFSLSVRDFDPV	83 / 6 AA	59
Phosphosite 18:	Lck	P06239	S166	TAGSFSLSVRDFDQN	83 / 6 AA	58
Phosphosite 19:	IMPG1	Q17R60	S541	PELSEYVSVPDHFLE	71 / 7 AA	89
Phosphosite 20:	MYCBP2	O75592	S3758	GINARYVSVHVDNSR	83 / 6 AA	510