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:	CBS
Human P-Site:	S524
P-Site Sequence:	QYHSTGKSSQRQMVF
UniProt:	P35520
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	CBS	P35520	S524	QYHSTGKSSQRQMVF	100 / 9 AA
Phosphosite 1:	CBS	P35520	S525	YHSTGKSSQRQMVFG	100 / 8 AA
Phosphosite 2:	USP24	Q9UPU5	T2555	NETSTGKTFQRTISA	75 / 8 AA	294
Phosphosite 3:	AKAP11	Q9UKA4	S383	KDPVIGKSSQRKGHK	85 / 7 AA	211
Phosphosite 4:	ZNF536	O15090	S963	EEKPSGKSSQRKSEK	75 / 8 AA	141
Phosphosite 5:	AKAP11	Q9UKA4	S384	DPVIGKSSQRKGHKH	85 / 7 AA	211
Phosphosite 6:	Putative UPF0607 protein ENSP00000332738	A6NL46	S293	ALLVGKASQREGRLQ	62 / 8 AA	38
Phosphosite 7:	ZNF536	O15090	S964	EKPSGKSSQRKSEKS	85 / 7 AA	141
Phosphosite 8:	OSBPL8	Q9BZF1	S44	LLTPGKMSQRQGKEA	85 / 7 AA	101
Phosphosite 9:	PLCE1	Q9P212	S2207	KKTTTPKSSQRVLLD	75 / 8 AA	259
Phosphosite 10:	IRE1	O75460	S778	GSHPFGKSLQRQANI	85 / 7 AA	110
Phosphosite 11:	PLCE1	Q9P212	S2208	KTTTPKSSQRVLLDQ	85 / 7 AA	259
Phosphosite 12:	ZNF556	Q9HAH1	S351	SGGSVGKSSARPRPS	66 / 9 AA	52
Phosphosite 13:	TMC2	Q8TDI7	S900	WRSASGKSAQRPPH_	55 / 9 AA	103
Phosphosite 14:	EVL	Q9UI08	S121	SQEGGPSSQRQVQNG	85 / 7 AA	45
Phosphosite 15:	PPIG	Q13427	T54	EKGTGKSTQKPLHYK	62 / 8 AA	89
Phosphosite 16:	THOC2	Q8NI27	S725	QIRNTKKSSQRLKDA	75 / 8 AA	183
Phosphosite 17:	PPIG	Q13427	S53	GEKGTGKSTQKPLHY	55 / 9 AA	89
Phosphosite 18:	CACNA1C	Q13936	S1692	QGLVGKPSQRNALSL	71 / 7 AA	249
Phosphosite 19:	AFF4	Q9UHB7	S636	KYKSTSKSSQKSREI	75 / 8 AA	127
Phosphosite 20:	DDX17	Q92841	S592	STTSTGRSSQSSSQQ	85 / 7 AA	72