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:	Y53
P-Site Sequence:	SFRQYSGYLKGSGSK
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	Y53	SFRQYSGYLKGSGSK	100 / 9 AA	54
Phosphosite 1:	CTSA	P10619	S51	QPSFRQYSGYLKGSG	100 / 7 AA	54
Phosphosite 2:	DNMT1	P26358	Y979	HYRKYSDYIKGSNLD	66 / 9 AA	183
Phosphosite 3:	YY2	O15391	Y213	NPPDYSEYLKGKKLP	75 / 8 AA	41
Phosphosite 4:	CTSA	P10619	Y50	KQPSFRQYSGYLKGS	100 / 6 AA	54
Phosphosite 5:	NEDD4	P46934	Y99	QPTRYSGYLQSSNVL	66 / 9 AA	149
Phosphosite 6:	SIM2	Q14190	Y188	KVIHCSGYLKIRQYM	71 / 7 AA	73
Phosphosite 7:	SIM1	P81133	Y188	KVIHCSGYLKIRQYS	71 / 7 AA	85
Phosphosite 8:	ZNF142	P52746	Y1267	PLCDYSGYLRHDITR	71 / 7 AA	188
Phosphosite 9:	PPIL3	Q9H2H8	S76	KKFEDEYSEYLKHNV	71 / 7 AA	18
Phosphosite 10:	PPIL3	Q9H2H8	Y78	FEDEYSEYLKHNVRG	71 / 7 AA	18
Phosphosite 11:	MST4	Q9P289	Y89	VTKYYGSYLKGSKLW	75 / 8 AA	47
Phosphosite 12:	CEP250	Q9BV73	Y169	EQEFFKGYLKGEHGR	71 / 7 AA	281
Phosphosite 13:	TOMM70A	O94826	Y298	EVKENSGYLKAKQYM	62 / 8 AA	67
Phosphosite 14:	C1orf125	Q5T1B0	Y761	KLYQYSSYLSSCCKG	55 / 9 AA	118
Phosphosite 15:	GLCE	O94923	Y608	FVKRWKSYLKGSRAK	55 / 9 AA	70
Phosphosite 16:	InsR	P06213	Y394	LIEEISGYLKIRRSY	71 / 7 AA	156
Phosphosite 17:	YY2	O15391	S211	AENPPDYSEYLKGKK	71 / 7 AA	41
Phosphosite 18:	IGSF9B	Q9UPX0	Y969	HHGQYYGYLSSSSPG	66 / 9 AA	147
Phosphosite 19:	MYT1L	Q9UL68	Y989	AKRQKEGYLNGSQFS	66 / 9 AA	133
Phosphosite 20:	RP1	P56715	Y846	QAEVASGYLRGMAKK	83 / 6 AA	241