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:	TTC21A
Human P-Site:	S522
P-Site Sequence:	SELENAQSILQRCLE
UniProt:	Q8NDW8
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	TTC21A	Q8NDW8	S522	SELENAQSILQRCLE	100 / 9 AA	151
Phosphosite 1:	TOP3A	Q13472	S395	RWGAFAQSILERGGP	85 / 7 AA	112
Phosphosite 2:	p47phox	P14598	S310	SSIRNAHSIHQRSRK	75 / 8 AA	45
Phosphosite 3:	NCF1C	A8MVU1	S286	SSIRNAHSIHQRSRK	75 / 8 AA	42
Phosphosite 4:	NHS	Q6T4R5	S367	CSLVHSQSVLQRRRK	62 / 8 AA	177
Phosphosite 5:	DENND5B	Q6ZUT9	S623	TLKEAAQSIEQRLMK	77 / 9 AA	145
Phosphosite 6:	MYSM1	Q5VVJ2	S30	GSGENTASVLQKDHY	55 / 9 AA	95
Phosphosite 7:	DCAMKL2	Q8N568	S442	HLIENEVSILRRVKH	66 / 9 AA	84
Phosphosite 8:	OSBPL1A	Q9BXW6	S368	KSLEKAQSCQQRLDR	66 / 9 AA	108
Phosphosite 9:	C9orf144B	Q6ZU69	T1160	TIPENAQTVLPQASQ	55 / 9 AA	148
Phosphosite 10:	CASP8AP2	Q9UKL3	S762	TVSETTESILQPSIE	55 / 9 AA	223
Phosphosite 11:	DYRK3	O43781	S318	LVRKFAQSILQSLDA	100 / 6 AA	66
Phosphosite 12:	COMT	P21964	S74	AEPGNAQSVLEAIDT	71 / 7 AA	30
Phosphosite 13:	axin 1	O15169	S469	AHEENPESILDEHVQ	62 / 8 AA	96
Phosphosite 14:	ARVCF	O00192	S796	DSLDNARSLLQARGV	62 / 8 AA	105
Phosphosite 15:	USP44	Q9H0E7	S138	FLHDGAQSLLQSEDQ	55 / 9 AA	81
Phosphosite 16:	OVCA2	Q8WZ82	S161	RGIGFKESILQRPLS	83 / 6 AA	24
Phosphosite 17:	SMC1A	Q14683	S1015	QKLNEQQSVLQRIAA	83 / 6 AA	143
Phosphosite 18:	SLC2A14	Q8TDB8	T247	RKKEENATRILQRLW	75 / 8 AA	56
Phosphosite 19:	GTF3C1	Q12789	S1253	YHDEADQSALQRMTR	66 / 9 AA	239
Phosphosite 20:	ATG12	O94817	S7	_MAEEPQSVLQLPTS	62 / 8 AA	15