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:	S347
P-Site Sequence:	STLTTTYSSGVATDP
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	S347	STLTTTYSSGVATDP	100 / 9 AA	83
Phosphosite 1:	JUP	P14923	T62	LKKTTTYTQGVPPSQ	66 / 9 AA	82
Phosphosite 2:	ADAM32	Q8TC27	S300	TMCITRYSAGVALYP	66 / 9 AA	88
Phosphosite 3:	JUP	P14923	Y61	TLKKTTTYTQGVPPS	75 / 8 AA	82
Phosphosite 4:	FURIN	P09958	S342	STLATTYSSGNQNEK	100 / 6 AA	87
Phosphosite 5:	PCSK5	Q92824	Y359	SSTLATTYSSGESYD	85 / 7 AA	102
Phosphosite 6:	PCSK6	P29122	S394	STLATTYSSGAFYER	75 / 8 AA	106
Phosphosite 7:	MGA	Q8IWI9	S1629	ETKETTYSSGATTTG	85 / 7 AA	332
Phosphosite 8:	ZNF235	Q14590	Y302	THEKDTSYSSGIPVQ	71 / 7 AA	84
Phosphosite 9:	PCSK5	Q92824	S360	STLATTYSSGESYDK	100 / 6 AA	102
Phosphosite 10:	PCSK5	Q92824	T358	CSSTLATTYSSGESY	100 / 6 AA	102
Phosphosite 11:	CNOT3	O75175	S430	QNGATSYSSVVADSP	66 / 9 AA	82
Phosphosite 12:	POU5F2	Q8N7G0	S310	PHYTRLYSAGVAHSS	66 / 9 AA	36
Phosphosite 13:	CNOT3	O75175	S431	NGATSYSSVVADSPA	75 / 8 AA	82
Phosphosite 14:	TNRC6C	Q9HCJ0	S1499	LGWTSSYSSGSAWST	66 / 9 AA	176
Phosphosite 15:	CATSPER1	Q8NEC5	S164	ENLSHYSSGVPHHGE	83 / 6 AA	90
Phosphosite 16:	CATSPER1	Q8NEC5	S163	GENLSHYSSGVPHHG	83 / 6 AA	90
Phosphosite 17:	BDP1	A6H8Y1	S292	RGSTTTYSSFRKNYY	100 / 6 AA	294
Phosphosite 18:	BDP1	A6H8Y1	T289	IFERGSTTTYSSFRK	100 / 6 AA	294
Phosphosite 19:	ZNF38	P17036	S380	CGGKFTYSSGLIQHQ	83 / 6 AA	51
Phosphosite 20:	BDP1	A6H8Y1	Y291	ERGSTTTYSSFRKNY	100 / 6 AA	294