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:	T603
P-Site Sequence:	TGDLCNDTNPAPKHK
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	T603	TGDLCNDTNPAPKHK	100 / 9 AA	181
Phosphosite 1:	C6orf49	Q2TBC4	T18	LGSLCLDTNQAPNWT	77 / 9 AA	38
Phosphosite 2:	PAPPA2	Q9BXP8	T774	TGDLCADTAPTPKSE	66 / 9 AA	199
Phosphosite 3:	ZZZ3	Q8IYH5	T646	RGRLCDDTKPETFNQ	62 / 8 AA	102
Phosphosite 4:	C1orf56	Q9BUN1	T272	DTSLCTDTNCASQST	66 / 9 AA	37
Phosphosite 5:	PAN3	Q58A45	T262	TTYFYTDTTPAPLTG	55 / 9 AA	82
Phosphosite 6:	C4orf41	Q7Z392	S818	GTELCDESYPALLTD	50 / 8 AA	129
Phosphosite 7:	EHM2	Q9H329	S438	VIAAQLCSKTNPEVH	71 / 7 AA	100
Phosphosite 8:	EHM2	Q9H329	T440	AAQLCSKTNPEVHNY	62 / 8 AA	100
Phosphosite 9:	XPO6	Q96QU8	S1117	YYRLCNDSLPPGTVK	62 / 8 AA	129
Phosphosite 10:	PAN3	Q58A45	T263	TYFYTDTTPAPLTGM	62 / 8 AA	82
Phosphosite 11:	TCTN1	Q2MV58	T232	SLTSSLCTDNNPAAF	71 / 7 AA	64
Phosphosite 12:	TJP1	Q07157	T936	VPYLSPETNPASSTS	62 / 8 AA	195
Phosphosite 13:	HSPG2	P98160	S3282	QYICNATSPAGHAEA	71 / 7 AA	469
Phosphosite 14:	NOTUM	Q6P988	S105	SVTCNDGSPAGYYLK	71 / 7 AA	56
Phosphosite 15:	EHBP1L1	Q8N3D4	S245	PSNAEDTSPAPVSAP	71 / 7 AA	162
Phosphosite 16:	SPTBN4	Q9NRC6	S2496	LRAQMDTSPAPRSPV	83 / 6 AA	417
Phosphosite 17:	COX17	Q14061	S7	_MPGLVDSNPAPPES	83 / 6 AA	7
Phosphosite 18:	P2RY4	P51582	T188	TTVLCHDTTRPEEFD	57 / 7 AA	41
Phosphosite 19:	SPTBN4	Q9NRC6	T2495	RLRAQMDTSPAPRSP	83 / 6 AA	417
Phosphosite 20:	THBS3	P49746	T939	LQYRCNDTVPEDFEP	71 / 7 AA	104