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:	CTSA
Human P-Site:	Y50
P-Site Sequence:	KQPSFRQYSGYLKGS
UniProt:	P10619
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	CTSA	P10619	Y50	KQPSFRQYSGYLKGS	100 / 9 AA	54
Phosphosite 1:	CTSA	P10619	S51	QPSFRQYSGYLKGSG	100 / 8 AA	54
Phosphosite 2:	S100A7L2	Q5SY68	Y20	IVAMFRQYSGDDGRM	100 / 6 AA	11
Phosphosite 3:	TTMA	A6NKL6	S157	GFFFRIFSGYLHSDK	75 / 8 AA	64
Phosphosite 4:	S100A7L2	Q5SY68	S21	VAMFRQYSGDDGRMD	100 / 6 AA	11
Phosphosite 5:	CTSA	P10619	Y53	SFRQYSGYLKGSGSK	100 / 6 AA	54
Phosphosite 6:	HEXB	P07686	Y101	LEEAFRRYHGYIFGF	55 / 9 AA	63
Phosphosite 7:	ARHGEF1	Q92888	S485	LMKRRQESGYLIEEI	85 / 7 AA	102
Phosphosite 8:	CCDC116	Q8IYX3	S8	MARCRHHSGYLADDE	71 / 7 AA	57
Phosphosite 9:	TGM5	O43548	Y584	CKISYSQYSQYLSTD	66 / 9 AA	81
Phosphosite 10:	PLA2G4B	P0C869	Y708	VSDSFREYSAPGVRR	71 / 7 AA	114
Phosphosite 11:	TBC1D19	Q8N5T2	S453	KWMVRAFSGYLATDQ	71 / 7 AA	60
Phosphosite 12:	CCNT1	O60563	S688	FEFVRPYSDYLNPRS	71 / 7 AA	81
Phosphosite 13:	ZNF142	P52746	Y1264	HFCPLCDYSGYLRHD	55 / 9 AA	188
Phosphosite 14:	CCNT1	O60563	Y687	AFEFVRPYSDYLNPR	71 / 7 AA	81
Phosphosite 15:	C18orf19	Q96ND0	Y133	FKKTFRQYGKVLIPV	55 / 9 AA	31
Phosphosite 16:	ZNF280A	P59817	Y82	KKGHFRQYPAHVSQP	50 / 8 AA	61
Phosphosite 17:	ZNF540	Q8NDQ6	Y647	CRKAFRQYSHLYQHQ	83 / 6 AA	77
Phosphosite 18:	S100B	P04271	Y18	LIDVFHQYSGREGDK	83 / 6 AA	11
Phosphosite 19:	CTSA	P10619	S46	PGLAKQPSFRQYSGY	100 / 5 AA	54
Phosphosite 20:	S100B	P04271	S19	IDVFHQYSGREGDKH	83 / 6 AA	11