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:	MTX1
Human P-Site:	S87
P-Site Sequence:	WMGRRPPSPEARGPV
UniProt:	Q13505
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	MTX1	Q13505	S87	WMGRRPPSPEARGPV	100 / 9 AA	51
Phosphosite 1:	PA1	Q9BTK6	T138	ILPRRPPTPEAQSEE	77 / 9 AA	28
Phosphosite 2:	ARHGAP23	Q9P227	S1393	VRLRRPLSPETRRRR	77 / 9 AA	162
Phosphosite 3:	SPTBN1	Q01082	S2102	ERKRRPPSPEPSTKV	100 / 7 AA	275
Phosphosite 4:	GATAD2A	Q86YP4	S100	KSERRPPSPDVIVLS	75 / 8 AA	68
Phosphosite 5:	THADA	Q6YHU6	S1864	KSGWRPPSPEMLCHL	85 / 7 AA	220
Phosphosite 6:	ATXN7L1	Q9ULK2	S10	TLDRKVPSPEAFLGK	75 / 8 AA	89
Phosphosite 7:	ASCL2	Q99929	S28	AARRRPASPELLRCS	85 / 7 AA	20
Phosphosite 8:	PDGFRB	P09619	S712	SDKRRPPSAELYSNA	85 / 7 AA	124
Phosphosite 9:	polycystin 1	P98161	S940	CGLRATPSPEARVLQ	77 / 9 AA	463
Phosphosite 10:	GNAS	Q5JWF2	S532	KIHLRPPSPEIQAAD	75 / 8 AA	111
Phosphosite 11:	Proline-rich protein 35	P0CG20	S576	AERLQPPSPEAGPSE	85 / 7 AA
Phosphosite 12:	GFI1	Q99684	S94	EDFWRPPSPSASPAS	75 / 8 AA	45
Phosphosite 13:	PRKY	O43930	S33	WAPALCPSPEARSPE	100 / 6 AA	32
Phosphosite 14:	APC2	Q9UJX6	S314	DGPARPASPEAGNTL	85 / 7 AA	94
Phosphosite 15:	SAFB	Q15424	S344	EAPTEAPSPEARDSK	100 / 6 AA	103
Phosphosite 16:	SAFB2	Q14151	S343	EAPTEAPSPEARDSK	100 / 6 AA	107
Phosphosite 17:	L3MBTL	Q9Y468	S49	AGVEQPPSPELRQEG	75 / 8 AA	86
Phosphosite 18:	BZRAP1	O95153	S1095	SCPSPHPSPEARAPL	100 / 6 AA	200
Phosphosite 19:	LDB3	O75112	S123	SLVAPSPSPEARASP	100 / 6 AA	77
Phosphosite 20:	PKDREJ	Q9NTG1	S157	PGAARPASPAARVSP	75 / 8 AA	255