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:	TGFBR1
Human P-Site:	S191
P-Site Sequence:	MTTSGSGSGLPLLVQ
UniProt:	P36897
Intern. Prot. ID:	IPI00005733

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	TGFBR1	P36897	S191	MTTSGSGSGLPLLVQ	100 / 9 AA	56
Phosphosite 1:	ALK7	Q8NER5	S181	VTASGSGSGLPLLVQ	100 / 9 AA	55
Phosphosite 2:	ALK4	P36896	S193	LSTSGSGSGLPLFVQ	100 / 9 AA	57
Phosphosite 3:	BMPR1A	P36894	S220	SQSSGSGSGLPLLVQ	100 / 9 AA	60
Phosphosite 4:	BMPR1B	O00238	S190	SQSSGSGSGLPLLVQ	100 / 9 AA	57
Phosphosite 5:	Elk-1	P19419	S343	TPGSGSGSGLQAPGP	87 / 8 AA	45
Phosphosite 6:	SFTA2	Q6UW10	S3	_____MGSGLPLVLL	100 / 6 AA	8
Phosphosite 7:	FAM70B	Q8WV15	S300	PSPSSSGSGLPGQAP	87 / 8 AA	35
Phosphosite 8:	ALK7	Q8NER5	S179	YDVTASGSGSGLPLL	100 / 7 AA	55
Phosphosite 9:	TAF6L	Q9Y6J9	S417	GAEPSFGSGLPLPPG	100 / 6 AA	68
Phosphosite 10:	TGFBR1	P36897	S189	YDMTTSGSGSGLPLL	100 / 7 AA	56
Phosphosite 11:	ALK2	Q04771	S192	DHSCTSGSGSGLPFL	100 / 7 AA	57
Phosphosite 12:	HFE2	Q6ZVN8	S140	PALPGAGSGLPAPDP	75 / 8 AA	45
Phosphosite 13:	BMPR1A	P36894	S218	DQSQSSGSGSGLPLL	100 / 7 AA	60
Phosphosite 14:	BMPR1B	O00238	S188	EQSQSSGSGSGLPLL	100 / 7 AA	57
Phosphosite 15:	ALK4	P36896	S191	YDLSTSGSGSGLPLF	100 / 7 AA	57
Phosphosite 16:	Elk-1	P19419	S341	ERTPGSGSGSGLQAP	100 / 7 AA	45
Phosphosite 17:	PLEKHG4	Q58EX7	S171	LEAAPSGSGLPKPAD	100 / 6 AA	131
Phosphosite 18:	NLGN2	Q8NFZ4	S720	SPPGGSGSGVPGGGP	85 / 7 AA	91
Phosphosite 19:	ALK1	P37023	S186	DSDCTTGSGSGLPFL	85 / 7 AA	56
Phosphosite 20:	RNF19A	Q9NV58	S651	SHAGGSSSGLPEGKS	85 / 7 AA	91