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:	S490
P-Site Sequence:	QTCFDPDSPHRAYLD
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	S490	QTCFDPDSPHRAYLD	100 / 9 AA	181
Phosphosite 1:	PAPPA2	Q9BXP8	S661	KTCFDPDSPKRAYMS	88 / 9 AA	199
Phosphosite 2:	TRIM16L	Q309B1	T165	DITFDPDTAHKYLRL	62 / 8 AA	40
Phosphosite 3:	TRIM16	O95361	T381	DITFDPDTAHKYLRL	62 / 8 AA	64
Phosphosite 4:	DHODH	Q02127	S53	QGLLDPESAHRLAVR	62 / 8 AA	43
Phosphosite 5:	ZC3HC1	Q86WB0	T422	SRSFFDPTSQHRDWC	75 / 8 AA	55
Phosphosite 6:	FREM3	P0C091	S1691	LKAEDQDSPHRLLKY	85 / 7 AA	238
Phosphosite 7:	WDR74	Q6RFH5	S214	VRVYDPASPQRRPVL	62 / 8 AA	42
Phosphosite 8:	MEKK2	Q9Y2U5	S393	QVQFDPDSPETSKEV	100 / 6 AA	70
Phosphosite 9:	MEKK3	Q99759	S399	QVQFDPDSPETSKEV	100 / 6 AA	71
Phosphosite 10:	Putative short transient receptor potential channel 2-like protein	Q6ZNB5	S29	ENLLNPDSPRRPWLG	55 / 9 AA	16
Phosphosite 11:	SSPO	A2VEC9	S5109	SYRLDPESPVRILNL	62 / 8 AA	548
Phosphosite 12:	PLAA	Q9Y263	S50	TRLWAPDSPNRSFTE	55 / 9 AA	87
Phosphosite 13:	PHF19	Q5T6S3	S187	PEELEWDSPHRTNQQ	55 / 9 AA	66
Phosphosite 14:	SHIP	Q92835	S289	LLHEGPESPHRPSLI	62 / 8 AA	133
Phosphosite 15:	WDR88	Q6ZMY6	S242	SCCFDPDSQRVASVS	66 / 9 AA	53
Phosphosite 16:	NEB	P20929	T4441	KYTFSPDTPHISHSK	55 / 9 AA	773
Phosphosite 17:	C7orf20	Q7L5D6	S119	FSLMDPNSPERVTFV	55 / 9 AA	37
Phosphosite 18:	RHCG	Q9UBD6	S245	AISYHGDSQHRAAIN	55 / 9 AA	53
Phosphosite 19:	CDC42BPB	Q9Y5S2	S1693	SGPPSPNSPHRSQLP	71 / 7 AA	194
Phosphosite 20:	FAM166A	Q6J272	T134	PAGFTPDTPHPPCPP	55 / 9 AA	36