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:	S669
P-Site Sequence:	GSPRDCTSCPPSSTL
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	S669	GSPRDCTSCPPSSTL	100 / 9 AA	83
Phosphosite 1:	PCSK4	Q6UW60	T668	GGSPRDCTSCPPSST	100 / 8 AA	83
Phosphosite 2:	PCSK5	Q92824	S855	PGFKNCTSCPSGYLL	55 / 9 AA	102
Phosphosite 3:	PCSK5	Q92824	T854	GPGFKNCTSCPSGYL	71 / 7 AA	102
Phosphosite 4:	R3HDML	Q9H3Y0	S227	KMGKPCSSCPPSYQG	66 / 9 AA	29
Phosphosite 5:	PI15	O43692	S231	KVGVPCSSCPPSYGG	85 / 7 AA	29
Phosphosite 6:	ARAP3	Q8WWN8	S1536	TQPPCTSSPPSSQPL	85 / 7 AA	170
Phosphosite 7:	PTPN22	Q9Y2R2	S765	MKKSICNSCPPNKPA	71 / 7 AA	92
Phosphosite 8:	PLCD4	Q9BRC7	T241	EQKERDCTSELALEL	100 / 5 AA	88
Phosphosite 9:	ARAP3	Q8WWN8	S1535	PTQPPCTSSPPSSQP	85 / 7 AA	170
Phosphosite 10:	SVEP1	Q4LDE5	T321	KGLQYECTACPSGTY	66 / 6 AA	390
Phosphosite 11:	BHLHA9	Q7RTU4	S178	PSAPRCASCPPHAPL	83 / 6 AA	24
Phosphosite 12:	R3HDML	Q9H3Y0	S226	YKMGKPCSSCPPSYQ	62 / 8 AA	29
Phosphosite 13:	LRP6	O75581	S1586	SAEENYESCPPSPYT	62 / 8 AA	180
Phosphosite 14:	THADA	Q6YHU6	S285	LRSVDCTSVPEWFMS	62 / 8 AA	220
Phosphosite 15:	PI15	O43692	S230	YKVGVPCSSCPPSYG	83 / 6 AA	29
Phosphosite 16:	LAMC3	Q9Y6N6	T775	ESREVVCTHCPPGQR	83 / 6 AA	172
Phosphosite 17:	TG	P01266	T406	PRVARFATSCPPTIK	75 / 8 AA	305
Phosphosite 18:	KRTHA7	O76014	T427	CSTPASCTSCPSCGP	100 / 5 AA	50
Phosphosite 19:	VWA5B1	Q5TIE3	S1109	PSPQLCTSSPPRHPS	83 / 6 AA	134
Phosphosite 20:	MLL5	Q8IZD2	S1291	ESPCVSCSPSHVQSS	71 / 7 AA	205