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:	S645
P-Site Sequence:	ENTLVSKSPSSSSVG
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	S645	ENTLVSKSPSSSSVG	100 / 9 AA	84
Phosphosite 1:	PCSK1	P29120	S643	PKENTLVSKSPSSSS	100 / 7 AA	84
Phosphosite 2:	KCNJ13	O60928	S333	PTPLVSKSPNRTDLD	66 / 9 AA	41
Phosphosite 3:	USP32	Q8NFA0	S1361	EDVLLSKSPSSLSAN	87 / 8 AA	182
Phosphosite 4:	Protein USP6-like 2	Q6URH7	S6	__MLLSKSPSSLSAN	87 / 8 AA	18
Phosphosite 5:	USP6	P35125	S1159	EDMLLSKSPSSLSAN	87 / 8 AA	159
Phosphosite 6:	KCNJ13	O60928	S331	EFPTPLVSKSPNRTD	85 / 7 AA	41
Phosphosite 7:	NCOA6	Q14686	S427	QPHLTNKSPASSPSS	66 / 9 AA	219
Phosphosite 8:	USP6	P35125	S1157	GKEDMLLSKSPSSLS	85 / 7 AA	159
Phosphosite 9:	Protein USP6-like 2	Q6URH7	S4	____MLLSKSPSSLS	85 / 7 AA	18
Phosphosite 10:	SI1	Q9P2N6	S736	QSRLVATSPGSSLPG	66 / 9 AA	96
Phosphosite 11:	MLK1	P80192	S931	ETLLASRSPSSNGLS	66 / 9 AA	122
Phosphosite 12:	C16orf45	Q96MC5	S165	PLDKVTKSPASSRAE	75 / 8 AA	24
Phosphosite 13:	USP32	Q8NFA0	S1359	GEEDVLLSKSPSSLS	85 / 7 AA	182
Phosphosite 14:	ZNF280C	Q8ND82	S114	RFHLVSKSSQSSVTV	77 / 9 AA	83
Phosphosite 15:	NARG2	Q659A1	S414	GVTTTKVSKSPSPAS	100 / 6 AA	110
Phosphosite 16:	LOC643677	Q8NDH2	S575	PGVMLSKSPSRSSPL	66 / 9 AA	278
Phosphosite 17:	NARG2	Q659A1	S416	TTTKVSKSPSPASTS	100 / 6 AA	110
Phosphosite 18:	MLL	Q03164	S2298	SSASDLVSKSSSLKG	85 / 7 AA	432
Phosphosite 19:	CDKN2AIP	Q9NXV6	S384	QTSGSLVSKSTSLAS	85 / 7 AA	61
Phosphosite 20:	PCSK1	P29120	S647	TLVSKSPSSSSVGGR	100 / 7 AA	84