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:	S684
P-Site Sequence:	KNSPPKQSPKKSPSA
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	S684	KNSPPKQSPKKSPSA	100 / 9 AA	84
Phosphosite 1:	SRRM2	Q9UQ35	S908	SSTPPRQSPSRSSSP	66 / 9 AA	300
Phosphosite 2:	DKFZP434B061	Q9UF83	S186	TRTPPRESPRMSHRA	55 / 9 AA	59
Phosphosite 3:	SLAIN2	Q9P270	S357	PRPSPKQSPRNSPRS	75 / 8 AA	63
Phosphosite 4:	MARCKSL1	P49006	T85	GEVPPKETPKKKKKF	75 / 8 AA	20
Phosphosite 5:	LIMCH1	Q9UPQ0	S1002	SPTPPGQSPNRSISG	66 / 9 AA	122
Phosphosite 6:	SNX22	Q96L94	S19	EAEGPRQSPEKSHMV	75 / 8 AA	22
Phosphosite 7:	PTPN4	P29074	S470	PALPPKQSKKNSWNQ	77 / 9 AA	106
Phosphosite 8:	KIAA0409	O43159	S171	TNDPPKQSPGSTSPK	100 / 6 AA	51
Phosphosite 9:	ZC3H13	Q5T200	S837	GSPSPRQSPKRRREH	71 / 7 AA	197
Phosphosite 10:	NAP5	O14513	S1040	ALGPPKVSPKRGVPK	66 / 9 AA	209
Phosphosite 11:	CCDC80	Q76M96	S607	TNKHFTQSPKKSVAD	100 / 6 AA	108
Phosphosite 12:	TNFRSF13B	O14836	S204	PRSRPRQSPAKSSQD	75 / 8 AA	32
Phosphosite 13:	THEG	Q9P2T0	S368	SLPPPKASPEKCDQP	66 / 9 AA	43
Phosphosite 14:	ICA1L	Q8NDH6	S438	NQPVPSQSPKKLTRS	85 / 7 AA	54
Phosphosite 15:	LMOD1	P29536	S524	PKPSPKNSPKKGGAP	75 / 8 AA	67
Phosphosite 16:	SPATIAL	Q96M53	S308	QEPPCSQSPKKTKIS	66 / 9 AA	39
Phosphosite 17:	C20orf94	Q5VYV7	S286	ASPCPKQSPRVAKTQ	83 / 6 AA	46
Phosphosite 18:	ATP12A	P54707	T101	SLTPPKQTPEIVKFL	83 / 6 AA	116
Phosphosite 19:	SNAP91	O60641	S888	SPTPASQSPKKPPAK	75 / 8 AA	93
Phosphosite 20:	LMOD1	P29536	S520	PQPSPKPSPKNSPKK	75 / 8 AA	67