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:	Y345
P-Site Sequence:	STPQSQYYLAEKHLF
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	Y345	STPQSQYYLAEKHLF	100 / 9 AA	76
Phosphosite 1:	Btk	Q06187	Y344	CSTPQSQYYLAEKHL	100 / 8 AA	76
Phosphosite 2:	SMARCAD1	Q9H4L7	Y792	PLLHRQYYTAEKLKE	66 / 9 AA	117
Phosphosite 3:	TEC	P42680	Y313	TTSPKKYYLAEKHAF	66 / 9 AA	74
Phosphosite 4:	Rhodopsin	P08100	Y30	PFEYPQYYLAEPWQF	85 / 7 AA	39
Phosphosite 5:	Rhodopsin	P08100	Y29	SPFEYPQYYLAEPWQ	85 / 7 AA	39
Phosphosite 6:	Btk	Q06187	S342	VVCSTPQSQYYLAEK	100 / 6 AA	76
Phosphosite 7:	PAH (Phenylalanine Hydroxylase)	P00439	S359	GELQYCLSEKPKLLP	71 / 7 AA	52
Phosphosite 8:	POLA	P09884	Y1210	NLTIDTQYYLAQQIH	71 / 7 AA	166
Phosphosite 9:	POLA	P09884	Y1211	LTIDTQYYLAQQIHP	71 / 7 AA	166
Phosphosite 10:	SLC29A2	Q14542	Y222	HLKFARYYLANKSSQ	62 / 8 AA	50
Phosphosite 11:	ITK	Q08881	Y306	NDNPKRYYVAEKYVF	71 / 7 AA	72
Phosphosite 12:	TRAK2	O60296	Y496	LSLRRQNYLSEKQFF	55 / 9 AA	101
Phosphosite 13:	TTC21A	Q8NDW8	Y899	CIQFAEHYLAEKEYD	62 / 8 AA	151
Phosphosite 14:	ZFHX4	Q86UP3	Y824	EAELYQYYLAQNIGL	71 / 7 AA	394
Phosphosite 15:	ZFHX3	Q15911	Y865	EAELYQYYLAQNMNL	71 / 7 AA	404
Phosphosite 16:	NARG1	Q9BXJ9	Y379	TLLWVQYYLAQHYDK	83 / 6 AA	101
Phosphosite 17:	DIS3L	Q8TF46	Y530	RTRATTYYLADRRYD	50 / 8 AA	121
Phosphosite 18:	NARG1	Q9BXJ9	Y378	TTLLWVQYYLAQHYD	83 / 6 AA	101
Phosphosite 19:	LIX1	Q8N485	S197	ISYYSQYSLDEKMRS	75 / 8 AA	32
Phosphosite 20:	FASTKD5	Q7L8L6	Y547	EGSELLWYLAEKDMN	83 / 6 AA	87