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:	PCSK1
Human P-Site:	T375
P-Site Sequence:	ADLHNDCTETHTGTS
UniProt:	P29120
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	PCSK1	P29120	T375	ADLHNDCTETHTGTS	100 / 9 AA	84
Phosphosite 1:	C9orf29	Q49AS3	T48	RTLKTDCTETHLQLA	100 / 6 AA	12
Phosphosite 2:	FURIN	P09958	T361	TDLRQKCTESHTGTS	55 / 9 AA	87
Phosphosite 3:	ASK1	Q99683	T836	LAGINPCTETFTGTL	75 / 8 AA	155
Phosphosite 4:	PEG3	Q9GZU2	T1513	DCHECTETFTSSTAF	71 / 7 AA	181
Phosphosite 5:	SAMD9L	Q8IVG5	T665	ILCENECTETDIEKD	62 / 8 AA	184
Phosphosite 6:	FURIN	P09958	S363	LRQKCTESHTGTSAS	83 / 6 AA	87
Phosphosite 7:	ZNF20	P17024	T177	PYDGKECTETFISHS	50 / 8 AA	62
Phosphosite 8:	FAIM	Q9NVQ4	T138	GEFVDDGTETHFSIG	71 / 7 AA	202
Phosphosite 9:	KIAA1576	Q9HCJ6	S392	TPLMANDSTETSEAG	83 / 6 AA	46
Phosphosite 10:	TTC17	Q96AE7	S509	KRADCTESYPRVPVG	66 / 6 AA	130
Phosphosite 11:	AGXT2L1	Q8TBG4	T487	RKRNGMCTDTHSLLS	66 / 6 AA	56
Phosphosite 12:	AGXT2L1	Q8TBG4	T489	RNGMCTDTHSLLSKR	66 / 6 AA	56
Phosphosite 13:	ASK1	Q99683	T838	GINPCTETFTGTLQY	83 / 6 AA	155
Phosphosite 14:	MAP3K15	Q6ZN16	T808	GVNPCTETFTGTLQY	83 / 6 AA	147
Phosphosite 15:	NTN1	O95631	S206	QEAVCTDSHTDMRPL	66 / 6 AA	68
Phosphosite 16:	MEKK6	O95382	T806	GITPCTETFTGTLQY	83 / 6 AA	143
Phosphosite 17:	MEKK6	O95382	T804	LAGITPCTETFTGTL	83 / 6 AA	143
Phosphosite 18:	KIAA1576	Q9HCJ6	T393	PLMANDSTETSEAGE	83 / 6 AA	46
Phosphosite 19:	TOMM34	Q15785	T251	TEAVKDCTEALKLDG	66 / 6 AA	35
Phosphosite 20:	NTN1	O95631	T204	NEQEAVCTDSHTDMR	66 / 6 AA	68