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:	Y334
P-Site Sequence:	PQGVIRHYVVCSTPQ
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	Y334	PQGVIRHYVVCSTPQ	100 / 9 AA	76
Phosphosite 1:	ZNF264	O43296	Y334	RPGFLRHYVVHSGEN	75 / 8 AA	71
Phosphosite 2:	ZNF805	Q5CZA5	Y332	RPGFIRHYIIHSGEN	62 / 8 AA	71
Phosphosite 3:	KIAA1553	Q5T5X7	Y617	RIKLIRHYVQLLYPR	83 / 6 AA	94
Phosphosite 4:	MGC41917	Q7Z398	Y250	SSTLIRHYLIHTGEK	44 / 9 AA	48
Phosphosite 5:	Protein GPR89A	B7ZAQ6	Y38	KDYEIRQYVVQVIFS	83 / 6 AA
Phosphosite 6:	VPS13A	Q96RL7	Y2848	QSEVIRHYSKQAIKQ	100 / 5 AA	360
Phosphosite 7:	ZNF543	Q08ER8	Y330	RPGFIRHYIIHTGEK	50 / 8 AA	68
Phosphosite 8:	CASZ1	Q86V15	Y512	KQDVIRHYNMHKKRD	100 / 5 AA	190
Phosphosite 9:	MybBP1A	Q9BQG0	Y333	QGDVIRHYGEHVCTA	100 / 5 AA	149
Phosphosite 10:	PDE8A	O60658	Y319	QGGKIRHYVSIIRVC	100 / 5 AA	93
Phosphosite 11:	PLRG1	O43660	Y284	YNKVIRHYHGHLSAV	100 / 5 AA	57
Phosphosite 12:	Lyn	P07948	Y183	HGDVIKHYKIRSLDN	55 / 9 AA	59
Phosphosite 13:	SOS2	Q07890	Y155	YVFNIRHYEISQQDI	57 / 7 AA	153
Phosphosite 14:	POLE	Q07864	Y1636	ARRMIRHYLNLDTCL	66 / 6 AA	262
Phosphosite 15:	TTN	Q8WZ42	S24679	QDGGSDISHYVVEKR	83 / 6 AA	3816
Phosphosite 16:	DDX20	Q9UHI6	Y616	PVEIIRHYTGPGDQT	44 / 9 AA	92
Phosphosite 17:	TTN	Q8WZ42	Y24681	GGSDISHYVVEKRET	83 / 6 AA	3816
Phosphosite 18:	ZNF623	O75123	Y282	SSSLIRHYQIHTEVK	44 / 9 AA	61
Phosphosite 19:	TTN	Q8WZ42	Y29410	GGARIHHYVVEKREA	83 / 6 AA	3816
Phosphosite 20:	KCNH4	Q9UQ05	Y595	DALQAHYYVCSGSLE	83 / 6 AA	112