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:	Y598
P-Site Sequence:	YSLGKMPYERFTNSE
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	Y598	YSLGKMPYERFTNSE	100 / 9 AA	76
Phosphosite 1:	XYLB	O75191	Y168	CLTGSRAYERFTGNQ	66 / 9 AA	58
Phosphosite 2:	ARID5B	Q14865	Y405	YERLILPYERFIKGE	71 / 7 AA	132
Phosphosite 3:	SEMA3F	Q13275	Y406	PFSGKMPYPRPGTCP	85 / 7 AA	88
Phosphosite 4:	TOM1L1	O75674	Y283	LNNAILGYERFTRNQ	71 / 7 AA	53
Phosphosite 5:	ARID1B	Q8NFD5	Y1262	DVMGRMPYEPNKDPF	83 / 6 AA	236
Phosphosite 6:	ATP6V1A	P38606	Y528	QQNGYTPYDRFCPFY	62 / 8 AA	68
Phosphosite 7:	KLHL34	Q8N239	Y559	TRLRPLPYDRFCYGL	66 / 6 AA	71
Phosphosite 8:	ZFP28	Q8NHY6	Y476	CHTGKKPYECIECGK	62 / 8 AA	99
Phosphosite 9:	ITK	Q08881	Y559	FSEGKIPYENRSNSE	83 / 6 AA	72
Phosphosite 10:	ZNF177	Q13360	Y124	THSGEMPYECSDCGK	71 / 7 AA	36
Phosphosite 11:	XYLB	O75191	T172	SRAYERFTGNQIAKI	100 / 5 AA	58
Phosphosite 12:	C7	P10643	Y719	RCVCKMPYECGPSLD	83 / 6 AA	94
Phosphosite 13:	HEXA	P06865	Y213	VDDPSFPYESFTFPE	71 / 7 AA	61
Phosphosite 14:	ZNF772	Q68DY9	Y322	IHTGEMPYECGICGK	71 / 7 AA	55
Phosphosite 15:	TOM1L1	O75674	T287	ILGYERFTRNQQRIL	100 / 5 AA	53
Phosphosite 16:	Btk	Q06187	T602	KMPYERFTNSETAEH	100 / 5 AA	76
Phosphosite 17:	HEXA	P06865	S215	DPSFPYESFTFPELM	71 / 7 AA	61
Phosphosite 18:	C7orf43	Q8WVR3	Y383	CKSPVRTYERFTVTY	100 / 5 AA	63
Phosphosite 19:	ZNF607	Q96SK3	Y393	IHSGKKPYECNKCGK	83 / 6 AA	81
Phosphosite 20:	STT3B	Q8TCJ2	Y723	LMYKMSYYRFGEMQL	71 / 7 AA	94