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:	Y225
P-Site Sequence:	KVVALYDYMPMNAND
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	Y225	KVVALYDYMPMNAND	100 / 9 AA	76
Phosphosite 1:	Btk	Q06187	Y223	LKKVVALYDYMPMNA	100 / 7 AA	76
Phosphosite 2:	BLK	P51451	Y69	FVVALYDYTAMNDRD	77 / 9 AA	58
Phosphosite 3:	RRP12	Q5JTH9	Y375	AQIITALYDYVPSEN	85 / 7 AA	144
Phosphosite 4:	IRS4	O14654	Y487	QEGSGGDYMPMNNWG	100 / 6 AA	138
Phosphosite 5:	PSTPIP1	O43586	Y370	EYRALYDYTAQNPDE	66 / 9 AA	48
Phosphosite 6:	ADAM18	Q9Y3Q7	Y197	IIVEKALYDYMGSEM	100 / 6 AA	83
Phosphosite 7:	TXK	P42681	Y91	KIQVKALYDFLPREP	71 / 7 AA	61
Phosphosite 8:	PLCG2	P16885	Y780	TVKALYDYKAKRSDE	62 / 8 AA	148
Phosphosite 9:	IRS1	P35568	Y632	GRKGSGDYMPMSPKS	83 / 6 AA	132
Phosphosite 10:	Hck	P08631	Y89	IVVALYDYEAIHHED	55 / 9 AA	60
Phosphosite 11:	IRS2	Q9Y4H2	Y675	GSCRSDDYMPMSPAS	83 / 6 AA	137
Phosphosite 12:	RIMBP2	O15034	Y963	RMVALYDYDPRESSP	66 / 9 AA	116
Phosphosite 13:	RHPN2	Q8IUC4	Y386	EKCLSQLYDHMPEGL	83 / 6 AA	77
Phosphosite 14:	Putative rhophilin-2-like protein	A8MT19	Y301	EKCLSQLYDHMPEGL	83 / 6 AA	66
Phosphosite 15:	SNTB2	Q13425	Y360	TEKDLLLYDCMPWTR	83 / 6 AA	58
Phosphosite 16:	IRS4	O14654	Y717	PLVSSSDYMPMAPQN	100 / 5 AA	138
Phosphosite 17:	NEB	P20929	Y6621	IFRAMYDYMAADADE	55 / 9 AA	773
Phosphosite 18:	DBNL	Q9UJU6	Y382	CARALYDYQAADDTE	55 / 9 AA	48
Phosphosite 19:	NEB	P20929	Y6619	GKIFRAMYDYMAADA	71 / 7 AA	773
Phosphosite 20:	GAB3	Q8WWW8	Y414	PHCSPDDYIPMNSGS	83 / 6 AA	66