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:	S378
P-Site Sequence:	SRLKYPVSQQNKNAP
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	S378	SRLKYPVSQQNKNAP	100 / 9 AA	76
Phosphosite 1:	PLCH1	Q4KWH8	S264	IIKKFEVSEENKVKN	55 / 9 AA	189
Phosphosite 2:	Btk	Q06187	Y375	GLISRLKYPVSQQNK	100 / 6 AA	76
Phosphosite 3:	MMP27	Q9H306	S249	DPRKYPLSQDDINGI	62 / 8 AA	59
Phosphosite 4:	TMC8	Q8IU68	S666	PGPKYPASQASRPQS	55 / 9 AA	82
Phosphosite 5:	DHX38	Q92620	S846	ALQIYPISQANANQR	71 / 7 AA	141
Phosphosite 6:	VCAN	P13611	S1693	ATTIYPVSEQPSAKV	83 / 6 AA	373
Phosphosite 7:	PIK3CA	P42336	Y265	DEYFLEKYPLSQYKY	83 / 6 AA	124
Phosphosite 8:	IARS	P41252	S1047	PLKPYPVSPSDKVLI	62 / 8 AA	144
Phosphosite 9:	MMP27	Q9H306	Y246	VSLDPRKYPLSQDDI	83 / 6 AA	59
Phosphosite 10:	POLQ	O75417	S1405	MERIYPVSQSHTATG	62 / 8 AA	198
Phosphosite 11:	POLQ	O75417	Y1402	FLGMERIYPVSQSHT	100 / 5 AA	198
Phosphosite 12:	TMPO	P42166	S523	LACKYPVSSREATQI	100 / 5 AA	75
Phosphosite 13:	TCF19	Q9Y242	S278	RPRKYPVSAPMAPPA	71 / 7 AA	37
Phosphosite 14:	TMC8	Q8IU68	Y663	SDSPGPKYPASQASR	83 / 6 AA	82
Phosphosite 15:	PIK3CA	P42336	S268	FLEKYPLSQYKYIRS	83 / 6 AA	124
Phosphosite 16:	PPARGC1B	Q86YN6	S280	ADPGAPVSQEDMQAM	57 / 7 AA	113
Phosphosite 17:	TMPO	P42166	Y520	LPSLACKYPVSSREA	100 / 5 AA	75
Phosphosite 18:	SMURF1	Q9HCE7	T580	NGRNVPVTEENKKEY	57 / 7 AA	86
Phosphosite 19:	TMC5	Q6UXY8	S131	RQPDYPGSQRNPDFA	71 / 7 AA	115
Phosphosite 20:	ATP6V1C2	Q8NEY4	Y111	FEWDMAKYPVKQPLV	83 / 6 AA	49