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:	CTK
Human P-Site:	Y425
P-Site Sequence:	FSYGRAPYPKMSLKE
UniProt:	P42679
Intern. Prot. ID:	IPI00000868

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	CTK	P42679	Y425	FSYGRAPYPKMSLKE	100 / 9 AA	56
Phosphosite 1:	BLK	P51451	Y436	VTYGRVPYPGMSNPE	77 / 9 AA	58
Phosphosite 2:	Hck	P08631	Y458	VTYGRIPYPGMSNPE	77 / 9 AA	60
Phosphosite 3:	Fyn	P06241	Y467	VTKGRVPYPGMNNRE	66 / 9 AA	61
Phosphosite 4:	HPS4	Q9NQG7	Y401	VPDGRAPYCKASLSA	77 / 9 AA	77
Phosphosite 5:	Src	P12931	Y466	TTKGRVPYPGMVNRE	75 / 8 AA	60
Phosphosite 6:	YES1	P07947	Y473	VTKGRVPYPGMVNRE	75 / 8 AA	61
Phosphosite 7:	Lck	P06239	Y441	VTHGRIPYPGMTNPE	66 / 9 AA	58
Phosphosite 8:	Fgr	P09769	Y459	ITKGRIPYPGMNKRE	66 / 9 AA	59
Phosphosite 9:	Brk (breast tumour kinase)	Q13882	Y388	FSRGQVPYPGMSNHE	66 / 9 AA	52
Phosphosite 10:	CSK	P41240	Y387	YSFGRVPYPRIPLKD	55 / 9 AA	51
Phosphosite 11:	VILL	O15195	Y597	ALGGRAPYPSNKRLP	100 / 6 AA	96
Phosphosite 12:	POLRMT	O00411	Y386	AKDGRVSYPKLHLPL	62 / 8 AA	139
Phosphosite 13:	POLRMT	O00411	S385	YAKDGRVSYPKLHLP	62 / 8 AA	139
Phosphosite 14:	CACNA1E	Q15878	Y1935	GLSGRSGYPSMSPLS	66 / 9 AA	262
Phosphosite 15:	HERV-K_19q12 provirus ancestral Gag polyprotein	Q9YNA8	Y243	APQGRAPYPQPPTRR	85 / 7 AA	74
Phosphosite 16:	ERVK5	Q9HDB9	Y243	ALQGRAPYPQPPTVR	85 / 7 AA	74
Phosphosite 17:	ERVK6	Q7LDI9	Y243	APQGRAPYPQPPTRR	85 / 7 AA	74
Phosphosite 18:	HERV-K_22q11.21 provirus ancestral Gag polyprotein	P63145	Y243	APQGRAPYPQPPTRR	85 / 7 AA	74
Phosphosite 19:	HERV-K_1q22 provirus ancestral Gag polyprotein	P63130	Y243	APQGRAPYPQPPTRR	85 / 7 AA	74
Phosphosite 20:	HERV-K_6q14.1 provirus ancestral Gag-Pol polyprotein	P63128	Y243	APQGRAPYPQPPTRR	85 / 7 AA	124