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:	SLC7A4
Human P-Site:	S422
P-Site Sequence:	QKSSPPSSPGPASPG
UniProt:	O43246
Intern. Prot. ID:	IPI00748296

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	SLC7A4	O43246	S422	QKSSPPSSPGPASPG	100 / 9 AA	68
Phosphosite 1:	SLC7A4	O43246	S421	FQKSSPPSSPGPASP	100 / 8 AA	68
Phosphosite 2:	KIAA0467	Q5T011	S1418	SLALWPPSSPGPPDP	87 / 8 AA	278
Phosphosite 3:	CABP4	P57796	S87	PAGAPPASPGPASSR	77 / 9 AA	30
Phosphosite 4:	WFIKKN1	Q96NZ8	S166	HVLSWPPSSPGPPET	87 / 8 AA	59
Phosphosite 5:	COL4A5	P29400	S1242	GPPGPPGSPGPALEG	77 / 9 AA	161
Phosphosite 6:	COL2A1	P02458	S1075	GAPGPPGSPGPAGPT	77 / 9 AA	142
Phosphosite 7:	WFIKKN1	Q96NZ8	S167	VLSWPPSSPGPPETT	87 / 8 AA	59
Phosphosite 8:	KIAA0467	Q5T011	S1419	LALWPPSSPGPPDPL	87 / 8 AA	278
Phosphosite 9:	RGL3	Q3MIN7	S573	PAGSPPASPGPQGPS	87 / 8 AA	78
Phosphosite 10:	HIVEP3	Q5T1R4	S2146	ESRSPSCSPGPAHPL	77 / 9 AA	259
Phosphosite 11:	MMACHC	Q9Y4U1	S279	PRVSPPASPGP____	87 / 8 AA	32
Phosphosite 12:	C21orf121	Q8N0V1	S100	GWLPQPSSPGPACAE	100 / 7 AA	15
Phosphosite 13:	KCNK15	Q9H427	S311	LGFSPPSSPGVVRGG	100 / 7 AA	36
Phosphosite 14:	Putative uncharacterized protein FLJ44672	Q6ZQT7	S37	TCSLPASSPGPALPP	87 / 8 AA	25
Phosphosite 15:	KCNK15	Q9H427	S310	NLGFSPPSSPGVVRG	100 / 7 AA	36
Phosphosite 16:	TTC31	Q49AM3	S214	DGDESPPSSPGNPVQ	100 / 7 AA	57
Phosphosite 17:	TTC31	Q49AM3	S215	GDESPPSSPGNPVQG	100 / 7 AA	57
Phosphosite 18:	IER5L	Q5T953	S226	AAASPPASPAPASSP	77 / 9 AA	42
Phosphosite 19:	ZNF335	Q9H4Z2	S745	AAPGPPPSSPGPPEI	100 / 7 AA	145
Phosphosite 20:	TTC9B	Q8N6N2	S116	PAPGPTSSPGPARLS	87 / 8 AA	26