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:	CST8
Human P-Site:	S93
P-Site Sequence:	IDVEIARSDCRKPLS
UniProt:	O60676
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	CST8	O60676	S93	IDVEIARSDCRKPLS	100 / 9 AA	16
Phosphosite 1:	CST6	Q15828	T96	LTMEMGSTDCRKTRV	55 / 9 AA	17
Phosphosite 2:	SIPA1L1	O43166	S1144	SSMALARSQCRNSPS	55 / 9 AA	200
Phosphosite 3:	RPL18a	Q02543	S135	KVEEIAASKCRRPAV	66 / 9 AA	21
Phosphosite 4:	ASH1L	Q9NR48	S726	WTKVVARSTCRSPKG	71 / 7 AA	333
Phosphosite 5:	ASH1L	Q9NR48	T727	TKVVARSTCRSPKGL	71 / 7 AA	333
Phosphosite 6:	FBXL7	Q9UJT9	S332	SIKELSVSDCRFVSD	62 / 8 AA	55
Phosphosite 7:	CATSPERB	Q9H7T0	S935	FSHAVAFSDCREKVP	71 / 7 AA	127
Phosphosite 8:	GARNL3	Q5VVW2	S575	KQAGKSRSDCRENKL	83 / 6 AA	113
Phosphosite 9:	TTK	P33981	S304	MKRQTSRSECRDLVV	50 / 8 AA	97
Phosphosite 10:	MON1A	Q86VX9	S407	REDFFAVSDCRRRFQ	62 / 8 AA	62
Phosphosite 11:	JunD	P17535	S283	LRNRIAASKCRKRKL	75 / 8 AA	35
Phosphosite 12:	JUN	P05412	S267	MRNRIAASKCRKRKL	75 / 8 AA	36
Phosphosite 13:	AGAP4	Q96P64	S104	DVVEIRRSNCTNHVS	71 / 7 AA	73
Phosphosite 14:	CTGLF1	Q5VW22	S104	DVVEIRRSNCTNHVS	71 / 7 AA	73
Phosphosite 15:	AGAP7	Q5VUJ5	S104	DVVEIRRSNCTNHVS	71 / 7 AA	73
Phosphosite 16:	AGAP10	Q5T2P9	S127	DVVEIRRSNCTNHVS	71 / 7 AA	73
Phosphosite 17:	AGAP8	Q5SRD3	S104	DVVEIRRSNCTNHVS	71 / 7 AA	73
Phosphosite 18:	CTGLF11P	A8MT82	S104	DVVEIRRSNCTNHVS	71 / 7 AA	74
Phosphosite 19:	AGAP5	A6NIR3	S104	DVVEIRRSNCTNHVS	71 / 7 AA	73
Phosphosite 20:	TPR	P12270	S1385	LKAEIARSNASLTNN	83 / 6 AA	267