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:	S623
P-Site Sequence:	LYRPHLASEKVYTIM
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	S623	LYRPHLASEKVYTIM	100 / 9 AA	76
Phosphosite 1:	ROCK2	O75116	S114	QLVRHKASQKVYAMK	66 / 9 AA	161
Phosphosite 2:	ROD1	O95758	S123	PITPHLRSQPVYIQY	66 / 9 AA	60
Phosphosite 3:	MACC1	Q6ZN28	S658	SVVLTLVSEKVYDWK	85 / 7 AA	97
Phosphosite 4:	RPF2	Q9H7B2	S232	LRRTHLASDDLYKLS	62 / 8 AA	36
Phosphosite 5:	HECTD3	Q5T447	S834	LFLPHYASAKVCEEK	66 / 9 AA	97
Phosphosite 6:	factor V	P12259	S951	VGRWHLASEKGSYEI	100 / 6 AA	252
Phosphosite 7:	TBC1D4	O60343	S600	ERSNSLASEKDYSPG	85 / 7 AA	147
Phosphosite 8:	CTSW	P56202	S211	LNNSGLASEKDYPFQ	85 / 7 AA	42
Phosphosite 9:	GTF3C1	Q12789	T877	EVELATETVYVDDAS	71 / 7 AA	239
Phosphosite 10:	TNNI3K	Q59H18	S309	DRPLHLASAKGFLNI	62 / 8 AA	104
Phosphosite 11:	SVIL	O95425	S324	RNSPELASESVTQRR	75 / 8 AA	248
Phosphosite 12:	SH3GL1	Q99961	S18	YKASQLVSEKVGGAE	62 / 8 AA	41
Phosphosite 13:	PDIA5	Q14554	S158	KDVVHLDSEKDFRRL	62 / 8 AA	60
Phosphosite 14:	ANKRD10	Q9NXR5	S52	TPHAHLASEDSFYGW	55 / 9 AA	45
Phosphosite 15:	HAUS6	Q7Z4H7	T654	DFGQSHLTEEKVISD	62 / 8 AA	109
Phosphosite 16:	ARHGAP23	Q9P227	S262	GAFPHLSSEPRTPRA	83 / 6 AA	162
Phosphosite 17:	BAHCC1	Q9P281	S14	APPPHLLSERGSLGH	71 / 7 AA	277
Phosphosite 18:	ARHGAP23	Q9P227	S261	PGAFPHLSSEPRTPR	83 / 6 AA	162
Phosphosite 19:	FLOT1	O75955	Y56	NVKSEKVYTRHGVPI	100 / 5 AA	47
Phosphosite 20:	MAST1	Q9Y2H9	S668	EFIPHLESEDDTSYF	71 / 7 AA	171