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:	CST1
Human P-Site:	Y63
P-Site Sequence:	NKATKDDYYRRPLRV
UniProt:	P01037
Intern. Prot. ID:	IPI00305477

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	CST1	P01037	Y63	NKATKDDYYRRPLRV	100 / 9 AA	16
Phosphosite 1:	CST1	P01037	Y64	KATKDDYYRRPLRVL	100 / 8 AA	16
Phosphosite 2:	Cystatin S	P01036	Y63	NKATEDEYYRRPLQV	77 / 9 AA	16
Phosphosite 3:	CST5	P28325	Y64	KVINKDEYYSRPLQV	66 / 9 AA	16
Phosphosite 4:	Cystatin S	P01036	Y64	KATEDEYYRRPLQVL	85 / 7 AA	16
Phosphosite 5:	CST5	P28325	Y65	VINKDEYYSRPLQVM	75 / 8 AA	16
Phosphosite 6:	LHX9	Q9NQ69	Y125	IYCKEDYYRRFSVQR	85 / 7 AA	44
Phosphosite 7:	LHX2	P50458	Y107	IYCKEDYYRRFSVQR	85 / 7 AA	44
Phosphosite 8:	CST2	P09228	Y63	NKATEDEYYRRLLRV	75 / 8 AA	16
Phosphosite 9:	LHX9	Q9NQ69	Y124	SIYCKEDYYRRFSVQ	85 / 7 AA	44
Phosphosite 10:	LHX2	P50458	Y106	SIYCKEDYYRRFSVQ	85 / 7 AA	44
Phosphosite 11:	ALDH9A1	P49189	Y371	DPKLKDGYYMRPCVL	75 / 8 AA	54
Phosphosite 12:	ALDH9A1	P49189	Y372	PKLKDGYYMRPCVLT	75 / 8 AA	54
Phosphosite 13:	MPPED2	Q15777	Y135	ADLVKQDYYRFPSVS	66 / 9 AA	33
Phosphosite 14:	SUPT16H	Q9Y5B9	Y11	TLDKDAYYRRVKRLY	85 / 7 AA	120
Phosphosite 15:	DIAPH2	O60879	Y439	FLLIRNDYYIRPQYY	55 / 9 AA	126
Phosphosite 16:	MPPED2	Q15777	Y136	DLVKQDYYRFPSVSK	75 / 8 AA	33
Phosphosite 17:	SUPT16H	Q9Y5B9	Y10	VTLDKDAYYRRVKRL	85 / 7 AA	120
Phosphosite 18:	DIAPH2	O60879	Y440	LLIRNDYYIRPQYYK	62 / 8 AA	126
Phosphosite 19:	CST2	P09228	Y64	KATEDEYYRRLLRVL	83 / 6 AA	16
Phosphosite 20:	PEX10	O60683	Y20	RAAQKDEYYRGGLRS	83 / 6 AA	37