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:	S342
P-Site Sequence:	VVCSTPQSQYYLAEK
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	S342	VVCSTPQSQYYLAEK	100 / 9 AA	76
Phosphosite 1:	Btk	Q06187	Y344	CSTPQSQYYLAEKHL	100 / 7 AA	76
Phosphosite 2:	QSER1	Q2KHR3	S512	QESSSPQSQKFLPAV	66 / 9 AA	190
Phosphosite 3:	MED13	Q9UHV7	S557	KTPSTPQSQHFYQMP	75 / 8 AA	239
Phosphosite 4:	Btk	Q06187	Y345	STPQSQYYLAEKHLF	100 / 6 AA	76
Phosphosite 5:	C1orf25	Q7Z2T5	S573	ESECTPQSQFSIHAS	55 / 9 AA	82
Phosphosite 6:	C6orf97	Q8IYT3	S321	DAVTTSQSQYFSFRE	62 / 8 AA	82
Phosphosite 7:	PLEKHO1	Q53GL0	S402	LRQTTPHSQYRKSLM	71 / 7 AA	46
Phosphosite 8:	TEX15	Q9BXT5	S1148	TSQSTSQSVYYNSSV	75 / 8 AA	315
Phosphosite 9:	Btk	Q06187	T339	RHYVVCSTPQSQYYL	100 / 6 AA	76
Phosphosite 10:	TSSC1	Q53HC9	Y242	DFNPNKQYYLASCGD	71 / 7 AA	44
Phosphosite 11:	LRP5	O75197	S1581	PPPPTPHSQYLSAED	83 / 6 AA	179
Phosphosite 12:	MED13	Q9UHV7	T554	GVTKTPSTPQSQHFY	100 / 6 AA	239
Phosphosite 13:	ARID2	Q68CP9	T993	TAMSSSSTPQSQGPP	100 / 6 AA	197
Phosphosite 14:	ARID2	Q68CP9	S996	SSSSTPQSQGPPPTV	100 / 6 AA	197
Phosphosite 15:	LRP6	O75581	S1575	PPPPTPRSQYLSAEE	83 / 6 AA	180
Phosphosite 16:	EMSY	Q7Z589	S1076	VQPQTPQSQMSLPAS	75 / 8 AA	141
Phosphosite 17:	JAK3	P52333	S504	SSLVQPQSQYQLSQM	85 / 7 AA	125
Phosphosite 18:	JAK3	P52333	Y506	LVQPQSQYQLSQMTF	85 / 7 AA	125
Phosphosite 19:	C6orf97	Q8IYT3	S319	SQDAVTTSQSQYFSF	71 / 7 AA	82
Phosphosite 20:	WWC1	Q8IX03	Y938	SPGPQSQYVCRLNRS	100 / 5 AA	125