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:	Y191
P-Site Sequence:	DPDPQPRYTPSKENR
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	Y191	DPDPQPRYTPSKENR	100 / 9 AA	83
Phosphosite 1:	PCSK4	Q6UW60	T192	PDPQPRYTPSKENRH	100 / 8 AA	83
Phosphosite 2:	FURIN	P09958	Y186	DPDPQPRYTQMNDNR	100 / 6 AA	87
Phosphosite 3:	AFF4	Q9UHB7	Y365	GTGEQKRYNPSKTSN	75 / 8 AA	127
Phosphosite 4:	SLC25A28	Q96A46	Y259	HFNPQRRYNPSSHVL	75 / 8 AA	39
Phosphosite 5:	CSRP2BP	Q9H8E8	T461	KPKEPRYTPVSIYEE	83 / 6 AA	89
Phosphosite 6:	CSRP2BP	Q9H8E8	Y460	TKPKEPRYTPVSIYE	83 / 6 AA	89
Phosphosite 7:	TTLL5	Q6EMB2	Y618	LRENQAKYTPSLTAL	71 / 7 AA	143
Phosphosite 8:	TTLL5	Q6EMB2	T619	RENQAKYTPSLTALV	71 / 7 AA	143
Phosphosite 9:	TDP1	Q9NUW8	Y46	GAANEPRYTCSEAQK	71 / 7 AA	68
Phosphosite 10:	TDP1	Q9NUW8	T47	AANEPRYTCSEAQKA	71 / 7 AA	68
Phosphosite 11:	MLL	Q03164	T703	LLRAPRFTPSEAHSR	83 / 6 AA	432
Phosphosite 12:	DCLRE1B	Q9H816	T124	YTGDFRYTPSMLKEP	83 / 6 AA	60
Phosphosite 13:	KIAA0907	Q7Z7F0	Y354	SVPPQPPYYPSNGYQ	66 / 9 AA	65
Phosphosite 14:	DCLRE1B	Q9H816	Y123	LYTGDFRYTPSMLKE	83 / 6 AA	60
Phosphosite 15:	FLRT2	O43155	Y628	DFRLQPIYTPNGGIN	71 / 7 AA	74
Phosphosite 16:	ALS2CR8	Q8N187	Y571	GLQLQPRYTSPDESP	100 / 5 AA	81
Phosphosite 17:	ALS2CR8	Q8N187	T572	LQLQPRYTSPDESPA	100 / 5 AA	81
Phosphosite 18:	FLRT2	O43155	T629	FRLQPIYTPNGGINY	71 / 7 AA	74
Phosphosite 19:	DCLRE1B	Q9H816	S126	GDFRYTPSMLKEPAL	83 / 6 AA	60
Phosphosite 20:	RNF165	Q6ZSG1	Y155	LQTPQPRYLAEGTDW	100 / 5 AA	40