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:	S659
P-Site Sequence:	LDVMDEES_______
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	S659	LDVMDEES_______	100 / 5 AA	76
Phosphosite 1:	XKR3	Q5GH77	S12	FEEMDEESTGGVSSS	100 / 5 AA	53
Phosphosite 2:	MELL1	Q495T6	S493	LGWMDEESKKKAQEK	100 / 5 AA	89
Phosphosite 3:	RAPGEF2	Q9Y4G8	S992	ELEMDEESLQTLSLQ	100 / 5 AA	167
Phosphosite 4:	UTRN	P46939	S1806	DEKMDEESAQIEEVL	100 / 5 AA	394
Phosphosite 5:	RasGRF1	Q13972	S1261	SFVMDEESLYESSLR	100 / 5 AA	145
Phosphosite 6:	KIR2DL2	P43627	S281	AAVMDQESAGNRTAN	80 / 5 AA	38
Phosphosite 7:	KIR2DL1	P43626	S281	AAVMDQESAGNRTAN	80 / 5 AA	39
Phosphosite 8:	PJA2	O43164	S16	PAAMDQESGKAVWPK	80 / 5 AA	78
Phosphosite 9:	ZFYVE1	Q9HBF4	T139	AEEMDEETKRKKMTE	80 / 5 AA	87