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:	T1304
P-Site Sequence:	SFSCPEGTTFGSQCS
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	T1304	SFSCPEGTTFGSQCS	100 / 9 AA	181
Phosphosite 1:	PAPPA	Q13219	T1305	FSCPEGTTFGSQCSF	100 / 8 AA	181
Phosphosite 2:	ZNF335	Q9H4Z2	T758	EIPPEATTFQSSEAP	75 / 8 AA	145
Phosphosite 3:	ZNF335	Q9H4Z2	T757	PEIPPEATTFQSSEA	75 / 8 AA	145
Phosphosite 4:	C3orf18	Q9UK00	T42	TTLSPEATTFNDTRI	62 / 8 AA	17
Phosphosite 5:	C1s	P09871	T376	KVEDPESTLFGSVIR	75 / 8 AA	77
Phosphosite 6:	RFX3	P48380	T346	SSLPDGTTFEDIKSL	83 / 6 AA	84
Phosphosite 7:	PURG	Q9UJV8	S266	LELPEGTSFRVDNKR	83 / 6 AA	40
Phosphosite 8:	REG1B	P48304	T40	RISCPEGTNAYRSYC	83 / 6 AA	19
Phosphosite 9:	REG1A	P05451	T40	RISCPEGTNAYRSYC	83 / 6 AA	19
Phosphosite 10:	SSPO	A2VEC9	T3740	GCHCPEGTFQHRLAC	100 / 5 AA	548
Phosphosite 11:	SPEG	Q15772	T2955	SSPRPEGTTLRQGPP	71 / 7 AA	354
Phosphosite 12:	EP300	Q09472	T31	SASASDGTDFGSLFD	62 / 8 AA	264
Phosphosite 13:	SPEG	Q15772	T2956	SPRPEGTTLRQGPPQ	83 / 6 AA	354
Phosphosite 14:	XCR1	P46094	T11	SGNPESTTFFYYDLQ	83 / 6 AA	39
Phosphosite 15:	TEX101	Q9BY14	T161	SLPCPNGTTRCYQGK	83 / 6 AA	27
Phosphosite 16:	THBS4	P35443	Y317	CGPCPEGYTGNGITC	83 / 6 AA	106
Phosphosite 17:	ShcBP1	Q8NEM2	T65	SFMPEGKTFFPEIFQ	83 / 6 AA	76
Phosphosite 18:	XCR1	P46094	S9	ESSGNPESTTFFYYD	83 / 6 AA	39
Phosphosite 19:	NISCH	Q9Y2I1	T273	DEWEPEGTTLEGPVT	83 / 6 AA	167
Phosphosite 20:	SCN9A	Q15858	Y328	SGQCPEGYTCVKIGR	83 / 6 AA	226