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:	S354
P-Site Sequence:	CSSTLATSYSSGDYT
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	S354	CSSTLATSYSSGDYT	100 / 9 AA	84
Phosphosite 1:	PCSK5	Q92824	T358	CSSTLATTYSSGESY	88 / 9 AA	102
Phosphosite 2:	PCSK1	P29120	T353	KCSSTLATSYSSGDY	100 / 8 AA	84
Phosphosite 3:	PCSK5	Q92824	Y359	SSTLATTYSSGESYD	87 / 8 AA	102
Phosphosite 4:	PCSK5	Q92824	T357	ECSSTLATTYSSGES	87 / 8 AA	102
Phosphosite 5:	FURIN	P09958	T339	ACSSTLATTYSSGNQ	87 / 8 AA	87
Phosphosite 6:	HECTD1	Q9ULT8	Y706	DGKLATMYSSGSPEG	87 / 8 AA	290
Phosphosite 7:	FAM123B	Q5JTC6	S1123	QGASLATSYSSTAMN	100 / 7 AA	124
Phosphosite 8:	PCSK1	P29120	S356	STLATSYSSGDYTDQ	100 / 7 AA	84
Phosphosite 9:	CDC40	O60508	S11	AIAALAASYGSGSGS	66 / 9 AA	66
Phosphosite 10:	KRTHA5	Q92764	S80	PAGGFATSYSGGGGW	75 / 8 AA	50
Phosphosite 11:	IGSF9B	Q9UPX0	T1280	MGFTTLATGYPSPPP	75 / 8 AA	147
Phosphosite 12:	CDC40	O60508	Y12	IAALAASYGSGSGSE	75 / 8 AA	66
Phosphosite 13:	HHIPL2	Q6UWX4	Y584	LYFLATSYPSAYAPR	75 / 8 AA	81
Phosphosite 14:	TIMM44	O43615	Y51	ELPLSKSYSSGNRKG	75 / 8 AA	513
Phosphosite 15:	ABHD4	Q8TB40	S154	LGGFLATSYSIKYPD	100 / 6 AA	39
Phosphosite 16:	TIMM44	O43615	S50	GELPLSKSYSSGNRK	75 / 8 AA	513
Phosphosite 17:	FURIN	P09958	S342	STLATTYSSGNQNEK	85 / 7 AA	87
Phosphosite 18:	ABHD4	Q8TB40	Y155	GGFLATSYSIKYPDR	100 / 6 AA	39
Phosphosite 19:	PCSK6	P29122	S394	STLATTYSSGAFYER	85 / 7 AA	106
Phosphosite 20:	PCSK5	Q92824	S360	STLATTYSSGESYDK	85 / 7 AA	102