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:	S386
P-Site Sequence:	QQNKNAPSTAGLGYG
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	S386	QQNKNAPSTAGLGYG	100 / 9 AA	76
Phosphosite 1:	TEC	P42680	T354	VKGKNAPTTAGFSYE	77 / 9 AA	74
Phosphosite 2:	H3F3A	P84243	S32	AARKSAPSTGGVKKP	66 / 9 AA	15
Phosphosite 3:	TEC	P42680	T355	KGKNAPTTAGFSYEK	75 / 8 AA	74
Phosphosite 4:	FLNA	P21333	S1835	VTVRYAPSEAGLHEM	66 / 9 AA	281
Phosphosite 5:	ZNF395	Q9H8N7	S66	KEVLKAPSTSGLQQV	75 / 8 AA	55
Phosphosite 6:	DNAH9	Q9NYC9	S4313	WARRAYPSTAGLAAW	100 / 6 AA	512
Phosphosite 7:	DNAH9	Q9NYC9	T4314	ARRAYPSTAGLAAWF	100 / 6 AA	512
Phosphosite 8:	C9orf140	Q86UD0	S20	PPPAPAPSTEGLPRA	85 / 7 AA	43
Phosphosite 9:	RTN2	O75298	S16	AHCKEAPSTASSTPD	75 / 8 AA	59
Phosphosite 10:	IRS4	O14654	S937	ESNTPAPSTQGLPDS	85 / 7 AA	138
Phosphosite 11:	IRS4	O14654	T938	SNTPAPSTQGLPDSW	85 / 7 AA	138
Phosphosite 12:	C1orf55	Q6IQ49	S240	DDSEEAPSTSGMGFH	62 / 8 AA	50
Phosphosite 13:	CCT8L1	A6NM43	T258	AHPNAPATACLSSPA	75 / 8 AA	60
Phosphosite 14:	EIF2B4	Q9UI10	S132	PPPKASPSTAGETPS	75 / 8 AA	58
Phosphosite 15:	C1orf55	Q6IQ49	T241	DSEEAPSTSGMGFHA	62 / 8 AA	50
Phosphosite 16:	NFATC2	Q13469	S337	SPVSAAPSKAGLPRH	85 / 7 AA	100
Phosphosite 17:	NDOR1	Q9UHB4	S84	IFRKNLPSTALCQMD	85 / 7 AA	67
Phosphosite 18:	PACS1	Q6VY07	S762	GLVEDSPSTAGDGDD	62 / 8 AA	105
Phosphosite 19:	FAM131C	Q96AQ9	S229	PSPEEPPSTAGIPQP	55 / 9 AA	30
Phosphosite 20:	SSH1	Q8WYL5	S768	HCDKNPPSTEVVIKE	55 / 9 AA	116