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:	PAPPA
Human P-Site:	S917
P-Site Sequence:	DMDLNLGSVYQYWVI
UniProt:	Q13219
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	PAPPA	Q13219	S917	DMDLNLGSVYQYWVI	100 / 9 AA	181
Phosphosite 1:	TTC28	Q96AY4	S402	RAYSNLGSAYHYRRN	75 / 8 AA	271
Phosphosite 2:	HECTD3	Q5T447	S239	KEDENLGSVKQYVES	87 / 8 AA	97
Phosphosite 3:	TBX5	Q99593	S289	STSSNLGSQYQCENG	75 / 8 AA	58
Phosphosite 4:	HPS3	Q969F9	S365	VKSVELMSVYQYPEK	66 / 9 AA	114
Phosphosite 5:	C21orf45	Q9NYP9	Y150	GCSLNLGYVYRCTPK	66 / 9 AA	26
Phosphosite 6:	PTPN21	Q16825	S479	LRNLNIGSSYAYSRP	66 / 9 AA	133
Phosphosite 7:	HPS3	Q969F9	Y367	SVELMSVYQYPEKSQ	85 / 7 AA	114
Phosphosite 8:	LOX	P28300	S62	FSLLSLGSQYQPQRR	75 / 8 AA	47
Phosphosite 9:	C20orf194	Q5TEA3	S967	EGKLNAGSVYPLMVQ	75 / 8 AA	132
Phosphosite 10:	OPLAH	O14841	S1277	LAFPEHGSVYEYRRA	62 / 8 AA	137
Phosphosite 11:	OPLAH	O14841	Y1279	FPEHGSVYEYRRAQE	83 / 6 AA	137
Phosphosite 12:	LOXL1	Q08397	S358	QGRLSVGSVYRPNQN	62 / 8 AA	63
Phosphosite 13:	CRTAC1	Q9NQ79	S651	DGDLNLGSVVKESCE	100 / 6 AA	71
Phosphosite 14:	ITPR1	Q14643	T113	ENRKLLGTVIQYGNV	71 / 7 AA	314
Phosphosite 15:	DBNL	Q9UJU6	Y162	QAPVGSVYQKTNAVS	83 / 6 AA	48
Phosphosite 16:	piccolo	Q9Y6V0	S857	RFSLNLGSITDAPKS	62 / 8 AA	567
Phosphosite 17:	DBNL	Q9UJU6	S160	GPQAPVGSVYQKTNA	83 / 6 AA	48
Phosphosite 18:	SORCS3	Q9UPU3	S224	LYDFNLGSVTESSLW	62 / 8 AA	136
Phosphosite 19:	TTC28	Q96AY4	Y1007	ACGLGGVYQQMGEYD	83 / 6 AA	271
Phosphosite 20:	HPS3	Q969F9	Y369	ELMSVYQYPEKSQQA	100 / 5 AA	114