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:	S179
P-Site Sequence:	NGSLKPGSSHRKTKK
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	S179	NGSLKPGSSHRKTKK	100 / 9 AA	76
Phosphosite 1:	Btk	Q06187	S180	GSLKPGSSHRKTKKP	100 / 8 AA	76
Phosphosite 2:	NT5C2	P49902	S275	HGPKPGSSHRPWQSY	100 / 7 AA	65
Phosphosite 3:	NT5C2	P49902	S274	PHGPKPGSSHRPWQS	100 / 7 AA	65
Phosphosite 4:	RNF39	Q9H2S5	T236	DLTLDPGTAHRRLLI	55 / 9 AA	46
Phosphosite 5:	PNLIPRP1	P54315	S398	RGILKPGSTHSYEFD	85 / 7 AA	52
Phosphosite 6:	KIAA0182	Q14687	S710	SGPLKPGSPYRPPVP	75 / 8 AA	136
Phosphosite 7:	DTL	Q9NZJ0	S267	KSFLYPGSSTRKLGY	77 / 9 AA	79
Phosphosite 8:	TNFSF12	O43508	S222	LLALRPGSSLRIRTL	75 / 8 AA	27
Phosphosite 9:	LVRN	Q6Q4G3	S200	SEPLKPGSSYELQLS	85 / 7 AA	113
Phosphosite 10:	FLG	P20930	S3905	GSRHPGSSHRDTASH	85 / 7 AA	435
Phosphosite 11:	C4orf16	Q63HQ0	S59	DEGESPGSSHRPLTE	100 / 6 AA	34
Phosphosite 12:	C4orf16	Q63HQ0	S60	EGESPGSSHRPLTEE	100 / 6 AA	34
Phosphosite 13:	FLG	P20930	S3904	DGSRHPGSSHRDTAS	85 / 7 AA	435
Phosphosite 14:	LNX2	Q8N448	S141	KNRCPGASHRRVALE	71 / 7 AA	76
Phosphosite 15:	MED17	Q9NVC6	S288	LPKSKPGSPHWQTKL	62 / 8 AA	73
Phosphosite 16:	RUSC1	Q9BVN2	S571	EASVKPGSSTRSLGT	75 / 8 AA	96
Phosphosite 17:	Ig heavy chain V-I region SIE	P01761	S17	EVKKPGSSVRVTCKT	85 / 7 AA	14
Phosphosite 18:	HEAT repeat-containing protein 7B1	A6NES4	S1289	TLLLQLGSSHRPEAA	75 / 8 AA	193
Phosphosite 19:	UCN	P55089	S23	LVQLCPGSSQRSPEA	75 / 8 AA	13
Phosphosite 20:	FREM3	P0C091	S603	QWELAPGSSHSGHYL	75 / 8 AA	238