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:	S14
P-Site Sequence:	ESIFLKRSQQKKKTS
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	S14	ESIFLKRSQQKKKTS	100 / 9 AA	76
Phosphosite 1:	BMX	P51813	S15	EELLLKRSQQKKKMS	88 / 9 AA	78
Phosphosite 2:	TEC	P42680	S15	EEILIKRSQQKKKTS	77 / 9 AA	74
Phosphosite 3:	NADSYN1	Q6IA69	S347	LWDFLRRSQQAGFLL	85 / 7 AA	79
Phosphosite 4:	B3GALTL	Q6Y288	S338	LERFLNRSQDKTAWL	75 / 8 AA	57
Phosphosite 5:	EFHC2	Q5JST6	S485	GGMFLKRSRVKKPGQ	77 / 9 AA	87
Phosphosite 6:	DTWD1	Q8N5C7	S12	PPIFLKRSEENSSKF	62 / 8 AA	35
Phosphosite 7:	NPHP3	Q7Z494	S1119	ADQFLKRSLEMRERV	55 / 9 AA	151
Phosphosite 8:	GIRK1	P48549	S185	GCMFIKMSQPKKRAE	66 / 9 AA	57
Phosphosite 9:	GIRK4	P48544	S191	GCMFVKISQPKKRAE	66 / 9 AA	48
Phosphosite 10:	KCNJ6	P48051	S194	GCMFVKISQPKKRAE	66 / 9 AA	48
Phosphosite 11:	FTHL19	P0C7X4	S23	DRYFLRQSQEKREHA	55 / 9 AA	23
Phosphosite 12:	GOLGA4	Q13439	S526	QSEYLKISQEKEQQE	62 / 8 AA	261
Phosphosite 13:	C10orf81	Q5SXH7	S399	VSLFLTRSIQKEKLK	75 / 8 AA	52
Phosphosite 14:	RORA	P35398	S133	CKGFFRRSQQSNATY	55 / 9 AA	63
Phosphosite 15:	C1orf65	Q8N715	S290	AWEELKRSDQKVQMT	85 / 7 AA	72
Phosphosite 16:	DNHD1	Q96M86	S980	KSSFLNRSQVDSDDV	83 / 6 AA	113
Phosphosite 17:	DNHD1	Q96M86	S960	KSSFLNRSQVDSDDV	83 / 6 AA	113
Phosphosite 18:	C18orf22	Q8N0V3	S80	KLEFLMRSTSKKTRK	66 / 9 AA	38
Phosphosite 19:	RGAG1	Q8NET4	S1222	NKSFLRRSQGIYDSL	83 / 6 AA	144
Phosphosite 20:	FLJ35843	Q8NA47	S366	DEIILLRSQQKLSHD	75 / 8 AA	66