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:	S76
P-Site Sequence:	SQKDPENSPVVLWLN
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	S76	SQKDPENSPVVLWLN	100 / 9 AA	54
Phosphosite 1:	CDAN1	Q8IWY9	S348	KDSDPELSPAVLDSL	77 / 9 AA	134
Phosphosite 2:	IGHD	P01880	S22	CRHPKDNSPVVLACL	85 / 7 AA	42
Phosphosite 3:	EIF4G3	O43432	S192	PSQVPEHSPVVYGTV	85 / 7 AA	177
Phosphosite 4:	A6r	Q6IBS0	S93	LAWSPDNSPVRLKML	75 / 8 AA	40
Phosphosite 5:	PTPRS	Q13332	S708	EVGPGPESSPVVVRT	75 / 8 AA	217
Phosphosite 6:	LPA	P08519	S4004	EQAPPEKSPVVQDCY	85 / 7 AA	501
Phosphosite 7:	MAPRE3	Q9UPY8	S245	QEHESENSPVISGII	62 / 8 AA	32
Phosphosite 8:	POLI	Q9UNA4	S291	LSFGEDNSPVILSGP	71 / 7 AA	80
Phosphosite 9:	RPRD2	Q5VT52	S319	TLPDPEESPVPSPSM	85 / 7 AA	156
Phosphosite 10:	SPDYC	Q5MJ68	S29	DSQDPTTSPVVTTQV	75 / 8 AA	33
Phosphosite 11:	HIVEP1	P15822	S1000	AMREPEHSPVPGGLQ	71 / 7 AA	297
Phosphosite 12:	SPAG5	Q96R06	T937	ADEEPESTPVPLLGS	55 / 9 AA	134
Phosphosite 13:	SPDYC	Q5MJ68	T28	SDSQDPTTSPVVTTQ	75 / 8 AA	33
Phosphosite 14:	R3HDM1	Q15032	S501	PFINPDGSPVVYNPP	55 / 9 AA	121
Phosphosite 15:	ZNF280A	P59817	S518	SNTDPQSSPVKTKKK	71 / 7 AA	61
Phosphosite 16:	ZNF280A	P59817	S517	VSNTDPQSSPVKTKK	71 / 7 AA	61
Phosphosite 17:	CSPP1	Q1MSJ5	S424	GAQDPEKSPDRLKQF	66 / 9 AA	142
Phosphosite 18:	FAM78B	Q5VT40	S38	PTRIEETSPIVLRYK	71 / 7 AA	30
Phosphosite 19:	SHOT1	A0MZ66	S473	KSLDPENSETELERI	66 / 9 AA	72
Phosphosite 20:	BAZ1A	Q9NRL2	S1417	KRQSPEPSPVTLGRR	75 / 8 AA	179