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:	MSX1
Human P-Site:	S105
P-Site Sequence:	GAPDAPSSPRPLGHF
UniProt:	P28360
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	MSX1	P28360	S105	GAPDAPSSPRPLGHF	100 / 9 AA	31
Phosphosite 1:	MSX1	P28360	S104	LGAPDAPSSPRPLGH	100 / 8 AA	31
Phosphosite 2:	PPP2R3A	Q06190	S687	PPATSPSSPRPLSPV	87 / 8 AA	130
Phosphosite 3:	GPR113	Q8IZF5	S155	PAASASSSPRPLLTG	87 / 8 AA	116
Phosphosite 4:	RLN1	P04808	T65	SQEDAPQTPRPVAEI	66 / 9 AA	21
Phosphosite 5:	RLN2	P04090	T65	SQEDAPQTPRPVAEI	66 / 9 AA	21
Phosphosite 6:	ICAM1	P05362	S5	___MAPSSPRPALPA	100 / 7 AA	58
Phosphosite 7:	SAPS1	Q9UPN7	T725	PVPTDAPTSPRVSGE	85 / 7 AA	97
Phosphosite 8:	OBSCN	Q5VST9	S6970	SLEHDSPSTPRPSSE	75 / 8 AA	868
Phosphosite 9:	C9orf140	Q86UD0	S284	ADFGAAGSPRPLGRL	66 / 9 AA	43
Phosphosite 10:	OBSCN	Q5VST9	T6971	LEHDSPSTPRPSSEA	75 / 8 AA	868
Phosphosite 11:	C1orf61	Q13536	S59	TDSSRAPSSPRPPGS	100 / 7 AA	17
Phosphosite 12:	MyoD	P15172	S236	AYYNEAPSEPRPGKS	75 / 8 AA	34
Phosphosite 13:	ARHGEF15	O94989	T384	ANAGDAPTFPRPPGP	75 / 8 AA	92
Phosphosite 14:	C1orf61	Q13536	S60	DSSRAPSSPRPPGST	100 / 7 AA	17
Phosphosite 15:	PTCRA	Q6ISU1	S210	GGREATSSPRPQPRD	75 / 8 AA	29
Phosphosite 16:	C1orf167	Q5SNV9	S1431	PRRGAASSPRPWSKP	66 / 9 AA	162
Phosphosite 17:	FBLN7	Q53RD9	S5	___MVPSSPRALFLL	75 / 8 AA	47
Phosphosite 18:	TNRC18	O15417	S416	VLQAPPGSPRPLDRP	85 / 7 AA	315
Phosphosite 19:	LIMD1	Q9UGP4	S423	SVLLDSPSSPRVRLP	85 / 7 AA	72
Phosphosite 20:	SLC12A9	Q9BXP2	S674	PPPRAPGSPRALNPQ	75 / 8 AA	96