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:	PCSK4
Human P-Site:	S691
P-Site Sequence:	MGPTTPDSRPRLRAA
UniProt:	Q6UW60
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	PCSK4	Q6UW60	S691	MGPTTPDSRPRLRAA	100 / 9 AA	83
Phosphosite 1:	Cdc16	Q13042	S592	TSRKTPDSRPSLEET	87 / 8 AA	72
Phosphosite 2:	TSP50	Q9UI38	S68	PKATCPSSRPRLLWQ	77 / 9 AA	43
Phosphosite 3:	TNXA	Q16473	S142	AGQTSEESRPRLSQL	66 / 9 AA	34
Phosphosite 4:	TNXB	P22105	S3699	AGQTSEESRPRLSQL	66 / 9 AA	464
Phosphosite 5:	LBX2	Q6XYB7	S185	LGPAGPDSRPHLSDE	66 / 9 AA	21
Phosphosite 6:	CHPF2	Q9P2E5	S57	GGPQNPDSRARLDQS	75 / 8 AA	86
Phosphosite 7:	PLA2G4A	P47712	S56	FISTTPDSRKRTRHF	87 / 8 AA	85
Phosphosite 8:	NPW	Q8N729	S13	GERGAPASRPRLALL	75 / 8 AA	18
Phosphosite 9:	PKN1	Q16512	S356	GGPGTPDSRPPFLSR	75 / 8 AA	104
Phosphosite 10:	AGR2	O95994	S36	AKKDTKDSRPKLPQT	75 / 8 AA	20
Phosphosite 11:	Per1	O15534	S573	ESRARPQSRPRLPAT	85 / 7 AA	136
Phosphosite 12:	PLA2G4A	P47712	T53	VELFISTTPDSRKRT	100 / 6 AA	85
Phosphosite 13:	PCSK4	Q6UW60	T688	GSCMGPTTPDSRPRL	100 / 6 AA	83
Phosphosite 14:	REV3	O60673	S1855	LTPTPDSSPRSTSSP	85 / 7 AA	353
Phosphosite 15:	REV3	O60673	S1854	MLTPTPDSSPRSTSS	85 / 7 AA	353
Phosphosite 16:	BUD13	Q9BRD0	S127	RHDTPDSSPRRVRHG	85 / 7 AA	71
Phosphosite 17:	ECM29	Q5VYK3	S1826	LATMEPDSRPELQEK	85 / 7 AA	204
Phosphosite 18:	SLC9A1	P19634	S71	PPEVTPESRPVNHSV	71 / 7 AA	91
Phosphosite 19:	BUD13	Q9BRD0	S126	FRHDTPDSSPRRVRH	85 / 7 AA	71
Phosphosite 20:	ADCY4	Q8NFM4	S166	YLGPQPDSRPALLPQ	85 / 7 AA	120