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:	S572
P-Site Sequence:	PPEVLMYSKFSSKSD
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	S572	PPEVLMYSKFSSKSD	100 / 9 AA	76
Phosphosite 1:	Btk	Q06187	Y571	SPPEVLMYSKFSSKS	100 / 8 AA	76
Phosphosite 2:	ROR2	Q01974	Y666	MAPEAIMYGKFSIDS	62 / 8 AA	105
Phosphosite 3:	ROR1	Q01973	Y666	MPPEAIMYGKFSSDS	62 / 8 AA	104
Phosphosite 4:	TMEM120A	Q9BXJ8	Y216	TWPDGLMYQKFRNQF	71 / 7 AA	41
Phosphosite 5:	TEC	P42680	S540	PPEVFNYSRFSSKSD	66 / 9 AA	74
Phosphosite 6:	GUCY1B2	O75343	S421	NVLNSMYSKFDRLTS	100 / 5 AA	70
Phosphosite 7:	KLHL38	Q2WGJ6	Y305	TTRDVLLYSKQTGQW	83 / 6 AA	66
Phosphosite 8:	WDR25	Q64LD2	Y500	ADGRVLMYSFRTASR	100 / 5 AA	60
Phosphosite 9:	WDR25	Q64LD2	S501	DGRVLMYSFRTASRA	100 / 5 AA	60
Phosphosite 10:	PLCE1	Q9P212	Y1853	WDKNCPMYQKFSPLE	83 / 6 AA	259
Phosphosite 11:	ETAA1	Q9NY74	Y739	GATNLTMYSKISNCQ	83 / 6 AA	103
Phosphosite 12:	SMG1	Q96Q15	S234	KIFKWIFSKFSSSAK	62 / 8 AA	410
Phosphosite 13:	SI	P14410	Y540	DILDKLMYSKTICMD	100 / 5 AA	209
Phosphosite 14:	C7orf60	Q1RMZ1	Y307	LGFKRFKYSKFSHMH	71 / 7 AA	46
Phosphosite 15:	DOCK2	Q92608	S213	QPDYAMYSRISSSPT	71 / 7 AA	212
Phosphosite 16:	EMILIN2	Q9BXX0	Y1038	HTDFDEMYSTFSGVF	83 / 6 AA	116
Phosphosite 17:	CDO1	Q16878	Y50	DPTEWAMYAKFDQYR	66 / 6 AA	23
Phosphosite 18:	GRK5	P34947	S500	HTDDDFYSKFSTGSV	71 / 7 AA	68
Phosphosite 19:	GRK5	P34947	S503	DDFYSKFSTGSVSIP	83 / 6 AA	68
Phosphosite 20:	K9	P35527	S36	RSSYSRFSSSGGGGG	83 / 6 AA	62