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:	S509
P-Site Sequence:	RRGDLEISLTSPMGT
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	S509	RRGDLEISLTSPMGT	100 / 9 AA	83
Phosphosite 1:	C15orf53	Q8NAA6	S13	AQEDLGISLSSPRRN	77 / 9 AA	20
Phosphosite 2:	PCSK5	Q92824	Y525	RRGDLAIYLTSPSGT	77 / 9 AA	102
Phosphosite 3:	PCSK4	Q6UW60	T511	GDLEISLTSPMGTRS	100 / 7 AA	83
Phosphosite 4:	ZBP1	Q9H171	S59	MKKELKVSLTSPATW	66 / 9 AA	46
Phosphosite 5:	ATG2B	Q96BY7	S436	PNMDLELSLTSTYTN	87 / 8 AA	233
Phosphosite 6:	PCSK6	P29122	Y559	RRGDLQIYLVSPSGT	66 / 9 AA	106
Phosphosite 7:	ApoA1BP	Q8NCW5	S240	IQPDLLISLTAPKKS	77 / 9 AA	32
Phosphosite 8:	FcGR1A	P12314	S328	KKWDLEISLDSGHEK	87 / 8 AA	43
Phosphosite 9:	CUX2	O14529	S1332	SRCSLEVSLNSPSAA	75 / 8 AA	154
Phosphosite 10:	ERI2	A8K979	S437	SDSDLEISFNSGERL	75 / 8 AA	77
Phosphosite 11:	FOXJ2	Q9P0K8	S7	_MASDLESSLTSIDW	87 / 8 AA	62
Phosphosite 12:	RBM20	Q5T481	S977	GNGAAEISLKSPREL	85 / 7 AA	122
Phosphosite 13:	OR6C76	A6NM76	S69	RNFSLEISFTSVCNP	85 / 7 AA	35
Phosphosite 14:	IARS	P41252	T1068	KGSELEITLTRGSSL	62 / 8 AA	144
Phosphosite 15:	FCGR1B	Q92637	S234	KKWNLEISLDSGHEK	75 / 8 AA	32
Phosphosite 16:	FCGR1C	A6NKC4	S234	KKWNLEISLDSGHEK	75 / 8 AA	32
Phosphosite 17:	PCSK4	Q6UW60	S512	DLEISLTSPMGTRST	100 / 6 AA	83
Phosphosite 18:	PCNT	O95613	S813	QILDLERSLTEQQGR	85 / 7 AA	378
Phosphosite 19:	PRTG	Q2VWP7	S524	PLRPPEISLTSRSPT	100 / 6 AA	127
Phosphosite 20:	GPR64	Q8IZP9	S442	NFSNTTISLTSPSLA	100 / 6 AA	112