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:	Btk
Human P-Site:	Y39
P-Site Sequence:	LTVHKLSYYEYDFER
UniProt:	Q06187
Intern. Prot. ID:	IPI00029132

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	Btk	Q06187	Y39	LTVHKLSYYEYDFER	100 / 9 AA	76
Phosphosite 1:	Btk	Q06187	Y40	TVHKLSYYEYDFERG	100 / 8 AA	76
Phosphosite 2:	BMX	P51813	Y40	LTKTNLSYYEYDKMK	87 / 8 AA	78
Phosphosite 3:	BMX	P51813	Y41	TKTNLSYYEYDKMKR	87 / 8 AA	78
Phosphosite 4:	GNL1	P36915	Y170	YSSEKLSYFEHNLET	62 / 8 AA	69
Phosphosite 5:	BMX	P51813	Y43	TNLSYYEYDKMKRGS	100 / 6 AA	78
Phosphosite 6:	Btk	Q06187	Y42	HKLSYYEYDFERGRR	100 / 6 AA	76
Phosphosite 7:	LAMC2	Q13753	S332	NNWSPQLSYFEYRRL	62 / 8 AA	131
Phosphosite 8:	ARAP2	Q8WZ64	Y934	EGGFLSYYENDKSTT	85 / 7 AA	193
Phosphosite 9:	LAMC2	Q13753	Y333	NWSPQLSYFEYRRLL	62 / 8 AA	131
Phosphosite 10:	IGF2R	P11717	S699	GLSNAKLSYYDGMIQ	83 / 6 AA	274
Phosphosite 11:	GNL1	P36915	S169	AYSSEKLSYFEHNLE	71 / 7 AA	69
Phosphosite 12:	IGF2R	P11717	Y700	LSNAKLSYYDGMIQL	83 / 6 AA	274
Phosphosite 13:	IGF2R	P11717	Y701	SNAKLSYYDGMIQLN	83 / 6 AA	274
Phosphosite 14:	SEC24A	O95486	Y1080	RTESALSYYEFLLHI	83 / 6 AA	120
Phosphosite 15:	SEC24A	O95486	S1079	DRTESALSYYEFLLH	83 / 6 AA	120
Phosphosite 16:	SEC24A	O95486	Y1081	TESALSYYEFLLHIQ	83 / 6 AA	120
Phosphosite 17:	ATP9A	O75110	Y740	SLEVCLKYYEYEFME	71 / 7 AA	119
Phosphosite 18:	MPP3	Q13368	Y56	IHEKLRYYERQSPTP	83 / 6 AA	66
Phosphosite 19:	MPP3	Q13368	Y55	KIHEKLRYYERQSPT	83 / 6 AA	66
Phosphosite 20:	LRRTM4	Q86VH4	Y528	HMKPLPYYSYDQPVI	71 / 7 AA	67