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:	CAST
Human P-Site:	S663
P-Site Sequence:	GDLDSCPSTTETSQN
UniProt:	P20810
Intern. Prot. ID:	IPI00305750

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	CAST	P20810	S663	GDLDSCPSTTETSQN	100 / 9 AA	77
Phosphosite 1:	CAST	P20810	T664	DLDSCPSTTETSQNT	100 / 8 AA	77
Phosphosite 2:	CAST	P20810	S660	ALSGDLDSCPSTTET	100 / 6 AA	77
Phosphosite 3:	KBTBD3	Q8NAB2	S287	LFPDARPSTTEKYIF	75 / 8 AA	69
Phosphosite 4:	STX19	Q8N4C7	S24	LSRDSHVSTTETEEQ	77 / 9 AA	34
Phosphosite 5:	RSC1A1	Q92681	S351	SAEESCPSITAALKE	55 / 9 AA	67
Phosphosite 6:	ARID4A	P29374	S698	GKSDSCSSDSETEDA	66 / 9 AA	143
Phosphosite 7:	RHOBTB3	O94955	S157	SDRGSCVSTTEGIQL	75 / 8 AA	69
Phosphosite 8:	FAM131C	Q96AQ9	S223	PSPDSCPSPEEPPST	75 / 8 AA	30
Phosphosite 9:	CCDC82	Q8N4S0	S271	SEKESCPSSDEVDEE	55 / 9 AA	64
Phosphosite 10:	RHOBTB3	O94955	T158	DRGSCVSTTEGIQLA	85 / 7 AA	69
Phosphosite 11:	ZNF516	Q92618	S397	RPSAAGDSCPGTQAG	83 / 6 AA	124
Phosphosite 12:	HUWE1	Q7Z6Z7	S2192	TIMESCPSTSSFYSS	71 / 7 AA	482
Phosphosite 13:	PVR	P15151	S384	HCHLCPSSTEHASAS	83 / 6 AA	45
Phosphosite 14:	PVR	P15151	T385	CHLCPSSTEHASASA	83 / 6 AA	45
Phosphosite 15:	RSPO3	Q9BXY4	T193	KGNLCPPTNETRKCT	71 / 7 AA	31
Phosphosite 16:	TMEM131	Q92545	T1376	ADDDSSSTTTETSNP	66 / 9 AA	201
Phosphosite 17:	NOL8	Q76FK4	T701	DKDSCHSTTKTEASQ	75 / 8 AA	132
Phosphosite 18:	PAPPA2	Q9BXP8	S1395	RPCGKQDSCPSLLLD	100 / 5 AA	199
Phosphosite 19:	PAPPA2	Q9BXP8	S1398	GKQDSCPSLLLDHAD	100 / 5 AA	199
Phosphosite 20:	MGC14839	Q96A22	T16	GSWSCPSTFQKKKKT	62 / 8 AA	14