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:	T644
P-Site Sequence:	SYADDDCTDSFTPNQ
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	T644	SYADDDCTDSFTPNQ	100 / 9 AA	181
Phosphosite 1:	PAPPA	Q13219	S646	ADDDCTDSFTPNQVA	100 / 7 AA	181
Phosphosite 2:	ITGB4	P16144	T681	RDEDDDCTYSYTMEG	77 / 9 AA	202
Phosphosite 3:	ZNF143	P52747	T305	RCSEDNCTKSFKTSG	55 / 9 AA	69
Phosphosite 4:	C4orf11	Q6W349	T53	KPQTDDCTVSFPGFE	85 / 7 AA	10
Phosphosite 5:	PEG3	Q9GZU2	T1513	DCHECTETFTSSTAF	57 / 7 AA	181
Phosphosite 6:	PDE5A	O76074	S379	VDEDCSDSFSSVFHM	71 / 7 AA	100
Phosphosite 7:	ZNF271	Q14591	S406	ACSDCTKSFSRRSDL	71 / 7 AA	76
Phosphosite 8:	ASK1	Q99683	T836	LAGINPCTETFTGTL	50 / 8 AA	155
Phosphosite 9:	TMEM131	Q92545	T954	EALLKDCTDSLKLRE	71 / 7 AA	201
Phosphosite 10:	TMEM131	Q92545	S956	LLKDCTDSLKLREPN	71 / 7 AA	201
Phosphosite 11:	ZNF271	Q14591	T404	PYACSDCTKSFSRRS	71 / 7 AA	76
Phosphosite 12:	Putative protein C3P1	Q6ZMU1	S327	QANDCLDSFASPSGC	71 / 7 AA	40
Phosphosite 13:	PPP2R5C	Q13362	T409	QKLFDDCTQQFKAEK	62 / 8 AA	61
Phosphosite 14:	MAPK8IP3	Q9UPT6	T635	FFPDDDCTSSARREQ	85 / 7 AA	147
Phosphosite 15:	MTMR15	Q9Y2M0	S874	PLDLCTDSFFTSRRP	100 / 5 AA	114
Phosphosite 16:	MEKK6	O95382	T804	LAGITPCTETFTGTL	66 / 6 AA	143
Phosphosite 17:	ASK1	Q99683	T838	GINPCTETFTGTLQY	66 / 6 AA	155
Phosphosite 18:	MAP3K15	Q6ZN16	T808	GVNPCTETFTGTLQY	66 / 6 AA	147
Phosphosite 19:	APC2	O95996	T1390	AQEDDSCTDSAEGTP	85 / 7 AA	244
Phosphosite 20:	MEKK6	O95382	T806	GITPCTETFTGTLQY	66 / 6 AA	143