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:	T663
P-Site Sequence:	TPEENRITIANVDLV
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	T663	TPEENRITIANVDLV	100 / 9 AA	151
Phosphosite 1:	TTN	Q8WZ42	T14665	LKQDKRITIENVPKK	66 / 9 AA	3816
Phosphosite 2:	GFAP	P14136	T378	EGEENRITIPVQTFS	85 / 7 AA	50
Phosphosite 3:	HSPA2	P54652	T505	TGKENKITITNDKGR	75 / 8 AA	70
Phosphosite 4:	HSPA8	P11142	T502	TGKENKITITNDKGR	75 / 8 AA	71
Phosphosite 5:	MYBPC2	Q14324	T485	VRPSKRITISHVGRF	62 / 8 AA	128
Phosphosite 6:	ASCC3	Q8N3C0	T289	KLLQNRITIVDRFLN	62 / 8 AA	251
Phosphosite 7:	PRKRA	O75569	S202	ISPENHISLTNVVGH	55 / 9 AA	34
Phosphosite 8:	TMEM27	Q9HBJ8	T191	DKCENMITIENGIPS	75 / 8 AA	25
Phosphosite 9:	C12orf35	Q9HCM1	Y95	TSVERITYANVNGPK	85 / 7 AA	195
Phosphosite 10:	C5orf34	Q96MH7	S616	EVNENRVSIALKKTS	71 / 7 AA	73
Phosphosite 11:	POLR2D	O15514	T79	SRFKNRETIASVRSL	75 / 8 AA	16
Phosphosite 12:	C12orf35	Q9HCM1	T94	HTSVERITYANVNGP	85 / 7 AA	195
Phosphosite 13:	MYBPC2	Q14324	S487	PSKRITISHVGRFHK	71 / 7 AA	128
Phosphosite 14:	SGK071	Q8NE28	T287	IDPSDRITIKDVVHI	62 / 8 AA	76
Phosphosite 15:	GRINL1B	Q9BZD3	T200	IDRLQRITIADQGEQ	83 / 6 AA	42
Phosphosite 16:	STK40	Q8N2I9	T213	NKRTHRITITNFCLG	71 / 7 AA	49
Phosphosite 17:	GRINL1A	P0CAP2	T200	IDRLQRITIADQGEQ	83 / 6 AA	42
Phosphosite 18:	RGS14	O43566	T374	VRLENRITFELELTA	71 / 7 AA	61
Phosphosite 19:	TXNDC16	Q9P2K2	T732	AGLENHITILPAQEW	83 / 6 AA	94
Phosphosite 20:	RELN	P78509	T636	YSGWNRITIPLPNAA	83 / 6 AA	388