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:	S520
P-Site Sequence:	HEQIQYHSTGKSSQR
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	S520	HEQIQYHSTGKSSQR	100 / 9 AA
Phosphosite 1:	CBS	P35520	Y518	VVHEQIQYHSTGKSS	100 / 7 AA
Phosphosite 2:	ZBTB44	Q8NCP5	S565	PVISQYHSKGKEP__	85 / 7 AA	64
Phosphosite 3:	GRPR	P30550	S350	GLIIRSHSTGRSTTC	66 / 9 AA	43
Phosphosite 4:	JAK2	O60674	S46	LQVYLYHSLGKSEAD	75 / 8 AA	131
Phosphosite 5:	ARID2	Q68CP9	S748	SSVVQNHSTGPQPVT	71 / 7 AA	197
Phosphosite 6:	SETDB2	Q96T68	S487	ISRIQYHSVIRDPES	83 / 6 AA	82
Phosphosite 7:	STARD4	Q96DR4	Y21	LKNTLIQYHSIEEDK	71 / 7 AA	24
Phosphosite 8:	SETDB2	Q96T68	Y485	DNISRIQYHSVIRDP	83 / 6 AA	82
Phosphosite 9:	TSPAN6	O43657	Y133	YEKALKQYNSTGDYR	83 / 6 AA	28
Phosphosite 10:	RALGAPA2	Q2PPJ7	Y1347	KSSEPVQYHSSAELG	57 / 7 AA	211
Phosphosite 11:	RALGAPA2	Q2PPJ7	S1349	SEPVQYHSSAELGNL	57 / 7 AA	211
Phosphosite 12:	TSPAN6	O43657	S135	KALKQYNSTGDYRSH	83 / 6 AA	28
Phosphosite 13:	ZBTB44	Q8NCP5	Y563	QMPVISQYHSKGKEP	83 / 6 AA	64
Phosphosite 14:	AKAP4	Q5JQC9	Y554	SALKLIQYHLTQQTK	83 / 6 AA	94
Phosphosite 15:	PTPRG	P23470	Y1021	NERVVIQYHYTQWPD	83 / 6 AA	162
Phosphosite 16:	AKAP11	Q9UKA4	S1523	QNHRFYHSTGSLNGY	100 / 5 AA	211
Phosphosite 17:	PTPRG	P23470	Y1023	RVVIQYHYTQWPDMG	83 / 6 AA	162
Phosphosite 18:	AKAP11	Q9UKA4	T1524	NHRFYHSTGSLNGYG	100 / 5 AA	211
Phosphosite 19:	SFRS8	Q12872	S777	RSPKYHSSSKSRSRS	62 / 8 AA	105
Phosphosite 20:	SFRS8	Q12872	S776	SRSPKYHSSSKSRSR	62 / 8 AA	105