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:	S476
P-Site Sequence:	LAGKVQPSDQVGKVI
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	S476	LAGKVQPSDQVGKVI	100 / 9 AA
Phosphosite 1:	SOS2	Q07890	S800	LYRKVQPSELVGSVW	77 / 9 AA	153
Phosphosite 2:	TTF2	Q9UNY4	S408	VSKKVEPSDPVARRV	66 / 9 AA	130
Phosphosite 3:	POP1	Q99575	S756	PKKTHQPSDEVGTSI	85 / 7 AA	115
Phosphosite 4:	Sos1	Q07889	S802	LYRAVQPSELVGSVW	75 / 8 AA	152
Phosphosite 5:	GGN	Q86UU5	S20	GSRKVQPSDRAPDSR	75 / 8 AA	67
Phosphosite 6:	TTN	Q8WZ42	S2398	DGQEVQPSDRVHIVI	85 / 7 AA	3816
Phosphosite 7:	CCHCR1	Q8TD31	S319	LTRKVQPSDSLEPEF	100 / 6 AA	89
Phosphosite 8:	ELYS	Q8WYP5	S1983	RPRKINPSEDVGSKA	55 / 9 AA	252
Phosphosite 9:	ZNF548	Q8NEK5	S86	SSQKVHPSETCGPPL	55 / 9 AA	63
Phosphosite 10:	KIAA0711	O94819	S379	PDGRARPSDQVFCYN	62 / 8 AA	66
Phosphosite 11:	DYDC2	Q96IM9	S27	EVAKVRPSDPIEYLA	62 / 8 AA	21
Phosphosite 12:	CFDP1	Q9UEE9	S130	PKSKVPPSTQVKKGE	75 / 8 AA	34
Phosphosite 13:	HCRTR1	O43613	S262	VRNWKRPSDQLGDLE	71 / 7 AA	48
Phosphosite 14:	DBR1	Q9UK59	S455	NTPSVEPSDQASEFS	62 / 8 AA	62
Phosphosite 15:	PRIC285	Q9BYK8	S1311	YSLRVPPSDQATITK	62 / 8 AA	295
Phosphosite 16:	AATK	Q6ZMQ8	S1034	LPSTGQPSEQVCLRP	83 / 6 AA	145
Phosphosite 17:	CNTN3	Q9P232	S189	YISKVEPSDVGNYTC	83 / 6 AA	113
Phosphosite 18:	HERC1	Q15751	S2712	SSLPTSPSDEVGRRQ	83 / 6 AA	532
Phosphosite 19:	HCFC1	P51610	T441	APAVQPLTQVGITLL	75 / 8 AA	209
Phosphosite 20:	BMP2	P12643	S46	GRPSSQPSDEVLSEF	83 / 6 AA	45