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:	S111
P-Site Sequence:	EKERSKRSALRDSAL
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	S111	EKERSKRSALRDSAL	100 / 9 AA	84
Phosphosite 1:	Slob	Q7Z7A4	S470	ARKKSKRSALENSEE	85 / 7 AA	65
Phosphosite 2:	FBN3	Q75N90	S2690	PRDRPRRSAHRDHQV	66 / 9 AA	300
Phosphosite 3:	ENDOD1	O94919	S313	SSTRSKRSTLLPPEA	85 / 7 AA	55
Phosphosite 4:	IGSF9B	Q9UPX0	S466	KPSRSKHSALPSGSL	85 / 7 AA	147
Phosphosite 5:	C2orf16	Q68DN1	S1935	PSERSRRSPLKEGLK	55 / 9 AA	224
Phosphosite 6:	HYLS1	Q96M11	S273	VPTEKKRSALRWGVR	100 / 6 AA	34
Phosphosite 7:	MARCH-X	Q8NA82	S479	PPASFMHSALRDDIP	71 / 7 AA	91
Phosphosite 8:	ZNF750	Q32MQ0	S691	PKGQKRTSLRDAGKS	71 / 7 AA	77
Phosphosite 9:	DNAH1	Q9P2D7	S572	LKVAMRSSLRDMSKG	62 / 8 AA	494
Phosphosite 10:	TUSC4	Q8WTW4	S277	KQGHKRASLRDVFQL	71 / 7 AA	44
Phosphosite 11:	C20orf117	O94964	S1394	CFARSSRSAIRHSPS	66 / 9 AA	160
Phosphosite 12:	NUP188	Q5SRE5	S24	WTILLGRSALRELSQ	83 / 6 AA	196
Phosphosite 13:	PTRF	Q6NZI2	S224	RAERIKRSGLRRVDD	75 / 8 AA	43
Phosphosite 14:	GNRH1	P01148	S70	CTTHQPRSPLRDLKG	83 / 6 AA	10
Phosphosite 15:	PEG3	Q9GZU2	S280	HSSRSKRSAYPSTSR	85 / 7 AA	181
Phosphosite 16:	PCSK1	P29120	S108	QQYEKERSKRSALRD	100 / 6 AA	84
Phosphosite 17:	PTCRA	Q6ISU1	S255	AQAWCSRSALRAPSS	55 / 9 AA	29
Phosphosite 18:	PGM2	Q96G03	S367	KEKNQDRSALKDTYM	83 / 6 AA	68
Phosphosite 19:	C8orf33	Q9H7E9	T150	RTLRSKRTPLPRKRQ	71 / 7 AA	25
Phosphosite 20:	PEG3	Q9GZU2	S277	TQGHSSRSKRSAYPS	100 / 6 AA	181