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:	ITK
Human P-Site:	S539
P-Site Sequence:	FSRYSSKSDVWSFGV
UniProt:	Q08881
Intern. Prot. ID:	IPI00004566

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	ITK	Q08881	S539	FSRYSSKSDVWSFGV	100 / 9 AA	72
Phosphosite 1:	TXK	P42681	S447	FNKYSSKSDVWSFGV	100 / 9 AA	61
Phosphosite 2:	Brk (breast tumour kinase)	Q13882	S368	RGHYSTKSDVWSFGI	88 / 9 AA	52
Phosphosite 3:	Axl	P30530	S730	DRVYTSKSDVWSFGV	88 / 9 AA	97
Phosphosite 4:	FLT1	P17948	S1080	DKIYSTKSDVWSYGV	88 / 9 AA	151
Phosphosite 5:	Syk	P43405	S553	YYKFSSKSDVWSFGV	88 / 9 AA	72
Phosphosite 6:	TEC	P42680	S546	YSRFSSKSDVWSFGV	88 / 9 AA	74
Phosphosite 7:	MERTK	Q12866	S781	DRVYTSKSDVWAFGV	77 / 9 AA	110
Phosphosite 8:	CTK	P42679	S405	HGKFTSKSDVWSFGV	77 / 9 AA	56
Phosphosite 9:	CSK	P41240	S367	EKKFSTKSDVWSFGI	77 / 9 AA	51
Phosphosite 10:	Fer	P16591	S741	YGRYSSESDVWSFGI	88 / 9 AA	95
Phosphosite 11:	Fes	P07332	S741	YGRYSSESDVWSFGI	88 / 9 AA	93
Phosphosite 12:	ZAP70	P43403	S520	FRKFSSRSDVWSYGV	77 / 9 AA	70
Phosphosite 13:	Met	P08581	S1264	TQKFTTKSDVWSFGV	66 / 9 AA	156
Phosphosite 14:	PTK7	Q13308	S987	EGDFSTKSDVWAFGV	66 / 9 AA	118
Phosphosite 15:	SRMS	Q9H3Y6	S407	YRVFSQKSDVWSFGV	77 / 9 AA	55
Phosphosite 16:	Btk	Q06187	S578	YSKFSSKSDIWAFGV	66 / 9 AA	76
Phosphosite 17:	YSK4	Q56UN5	S1248	ESGYGRKSDIWSIGC	66 / 9 AA	151
Phosphosite 18:	MAP2K6	P52564	S238	QKGYSVKSDIWSLGI	77 / 9 AA	37
Phosphosite 19:	MAP2K3	P46734	S249	QKGYNVKSDVWSLGI	77 / 9 AA	39
Phosphosite 20:	FRK	P42685	S414	SNKFSIKSDVWSFGI	77 / 9 AA	58