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:	Y461
P-Site Sequence:	HEKLVQLYGVCTKQR
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	Y461	HEKLVQLYGVCTKQR	100 / 9 AA	76
Phosphosite 1:	TEC	P42680	Y429	HPKLVQLYGVCTQQK	100 / 9 AA	74
Phosphosite 2:	TXK	P42681	Y330	HSKLVQLYGVCIQRK	88 / 9 AA	61
Phosphosite 3:	Src	P12931	Y329	HEKLVQLYAVVSEEP	66 / 9 AA	60
Phosphosite 4:	Fgr	P09769	Y322	HDKLVQLYAVVSEEP	66 / 9 AA	59
Phosphosite 5:	Fyn	P06241	Y330	HDKLVQLYAVVSEEP	66 / 9 AA	61
Phosphosite 6:	TrkC	Q16288	Y604	HEHIVKFYGVCGDGD	62 / 8 AA	94
Phosphosite 7:	BLK	P51451	Y300	HERLVRLYAVVTKEP	66 / 9 AA	58
Phosphosite 8:	Lyn	P07948	Y306	HDKLVRLYAVVTREE	66 / 9 AA	59
Phosphosite 9:	Lck	P06239	Y304	HQRLVRLYAVVTQEP	66 / 9 AA	58
Phosphosite 10:	ULK4	Q96C45	Y1187	LSILVQLYGGENPDS	100 / 6 AA	65
Phosphosite 11:	JAK1	P23458	Y654	HKHIVYLYGVCVRDV	75 / 8 AA	133
Phosphosite 12:	AR	P10275	Y445	TAEEGQLYGPCGGGG	83 / 6 AA	99
Phosphosite 13:	JAK2	O60674	Y613	HKHLVLNYGVCVCGD	75 / 8 AA	131
Phosphosite 14:	JPH4	Q96JJ6	Y27	EAGRAHGYGVCTGPG	62 / 8 AA	66
Phosphosite 15:	TNK2	Q07912	Y193	HRNLIRLYGVVLTPP	71 / 7 AA	115
Phosphosite 16:	NUP160	Q12769	Y707	RMNLTQLYGSNTAGY	66 / 9 AA	162
Phosphosite 17:	CNOT6	Q9ULM6	Y209	ATRQLYGYCPSWALN	83 / 6 AA	63
Phosphosite 18:	CNOT6L	Q96LI5	Y209	ATRQLYGYCPSWALN	83 / 6 AA	63
Phosphosite 19:	B3GNT1	O43505	Y279	KNELVQLYQVGEVRP	85 / 7 AA	47
Phosphosite 20:	CNOT6	Q9ULM6	Y207	KYATRQLYGYCPSWA	83 / 6 AA	63