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:	S144
P-Site Sequence:	LSILQAWSQGLSGQG
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	S144	LSILQAWSQGLSGQG	100 / 9 AA	83
Phosphosite 1:	CARD10	Q9BWT7	S563	SVTLKPWSPGLSSSS	66 / 9 AA	116
Phosphosite 2:	MAGEB3	O15480	S97	IEKKQSFSQGLSSTV	75 / 8 AA	39
Phosphosite 3:	MDP1	Q86V88	S151	GMNLQTLSQGLETFA	75 / 8 AA	20
Phosphosite 4:	CUL7	Q14999	S997	MVRAQAWSQDMAEDR	62 / 8 AA	191
Phosphosite 5:	SERPINB4	P48594	S320	DLSGMTWSHGLSVSK	62 / 8 AA	45
Phosphosite 6:	PRODH2	Q9UF12	S139	GLLLQAWSRRLLGSR	75 / 8 AA	59
Phosphosite 7:	FAM22A	Q8IVF1	S274	QACEGGWSQGLPLPP	71 / 7 AA	94
Phosphosite 8:	FAM22D	Q5VT03	S202	QACEGGWSQGLPLPP	71 / 7 AA	86
Phosphosite 9:	FAM22B	A6NNL0	S274	QACEGGWSQGLPLPP	71 / 7 AA	94
Phosphosite 10:	GLIS3	Q8NEA6	S73	SSMKQEWSQGYRALP	62 / 8 AA	84
Phosphosite 11:	APTX	Q7Z2E3	S182	KESLGHWSQGLKISM	75 / 8 AA	41
Phosphosite 12:	SORBS2	O94875	S494	KDLLRAWSQCSTEEV	83 / 6 AA	72
Phosphosite 13:	CPOX	P36551	S39	GGGLRAWSQRSAAGR	83 / 6 AA	50
Phosphosite 14:	PAPPA2	Q9BXP8	S932	EPSLQAWSPEVHLYH	62 / 8 AA	199
Phosphosite 15:	RBM21	Q9H6E5	S750	HEAAQEWSQGEAGKG	83 / 6 AA	94
Phosphosite 16:	TLN2	Q9Y4G6	S2391	AADDGQWSQGLISAA	100 / 5 AA	272
Phosphosite 17:	TLN1	Q9Y490	S2390	ALDDGQWSQGLISAA	100 / 5 AA	270
Phosphosite 18:	GCM1	Q9NP62	S298	HGDLQAWSKNAALGR	71 / 7 AA	49
Phosphosite 19:	ZNF263	O14978	S25	LEEDCAWSQELPPPD	71 / 7 AA	77
Phosphosite 20:	FGD2	Q7Z6J4	S402	TLELQARSQEEMISW	71 / 7 AA	75