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:	S98
P-Site Sequence:	RGPVPRSSAASRARR
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	S98	RGPVPRSSAASRARR	100 / 9 AA	51
Phosphosite 1:	MTX1	Q13505	S97	ARGPVPRSSAASRAR	100 / 8 AA	51
Phosphosite 2:	CECR9	P0C854	S208	EWVVPRSSASSNVLY	87 / 8 AA	24
Phosphosite 3:	CECR9	P0C854	S207	SEWVVPRSSASSNVL	87 / 8 AA	24
Phosphosite 4:	C11orf56	Q8N612	S497	VTTVPRPSTPSRLAL	66 / 9 AA	106
Phosphosite 5:	ARHGAP23	Q9P227	S1482	QSQPPRRSAASRLHQ	87 / 8 AA	162
Phosphosite 6:	RPH3AL	Q9UNE2	S192	AEREPRSSETSRIYT	75 / 8 AA	34
Phosphosite 7:	DYRK1B	Q9Y463	S624	GLRGVPQSTAASS__	75 / 8 AA	69
Phosphosite 8:	DYRK1B	Q9Y463	T625	LRGVPQSTAASS___	75 / 8 AA	69
Phosphosite 9:	EIF4G1	Q04637	S61	SRAQPPSSAASRVQS	87 / 8 AA	176
Phosphosite 10:	CEP170	Q5SW79	S1175	EATISRSSASSRTAE	66 / 9 AA	175
Phosphosite 11:	abLIM3	O94929	T549	WTPPRSSTSSREALH	75 / 8 AA	78
Phosphosite 12:	TSP50	Q9UI38	S17	RGQRPRTSAPSRAGA	75 / 8 AA	43
Phosphosite 13:	AP4M1	O00189	S168	QSKVAPSSAASRPVL	77 / 9 AA	50
Phosphosite 14:	CIC	Q96RK0	S13	RPLMPASSAASRGLG	77 / 9 AA	164
Phosphosite 15:	ZNF507	Q8TCN5	S74	GKKRPRSSAATHSLE	75 / 8 AA	106
Phosphosite 16:	abLIM3	O94929	S548	PWTPPRSSTSSREAL	75 / 8 AA	78
Phosphosite 17:	ZNF507	Q8TCN5	S73	IGKKRPRSSAATHSL	85 / 7 AA	106
Phosphosite 18:	NETO2	Q8NC67	S429	YQKMRRSSTASRCIH	66 / 9 AA	59
Phosphosite 19:	DOCK6	Q96HP0	S185	SPEDTPRSSGASSIF	75 / 8 AA	230
Phosphosite 20:	CSMD2	Q7Z408	S1731	YQAVPRTSATQCSSV	71 / 7 AA	380