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:	S1021
P-Site Sequence:	FELAKKVSSRVPLEP
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	S1021	FELAKKVSSRVPLEP	100 / 9 AA	151
Phosphosite 1:	FAM135B	Q49AJ0	S37	IRVTLKVSSRIPHRL	85 / 7 AA	156
Phosphosite 2:	USP9X	Q93008	S312	KSLKNLASRVPGQEE	62 / 8 AA	290
Phosphosite 3:	CEP57	Q86XR8	S337	IPLAKQVSSRGGKSK	85 / 7 AA	57
Phosphosite 4:	VPS16	Q9H269	Y775	NKYEAKKYASRVGPE	75 / 8 AA	95
Phosphosite 5:	PDZD2	O15018	S1386	LEGADSVSSRAPQAS	66 / 9 AA	302
Phosphosite 6:	RHBDD2	Q6NTF9	S358	GAAGSKESSRVPMP_	85 / 7 AA	39
Phosphosite 7:	WDHD1	O75717	S317	TSSSKVSSRVEKDYN	100 / 6 AA	126
Phosphosite 8:	WDHD1	O75717	S316	KTSSSKVSSRVEKDY	100 / 6 AA	126
Phosphosite 9:	RHBDD2	Q6NTF9	S359	AAGSKESSRVPMP__	85 / 7 AA	39
Phosphosite 10:	GNL3L	Q9NVN8	T37	KQNGKKATSKVPSAP	55 / 9 AA	66
Phosphosite 11:	NEB	P20929	S164	IEHAKKVSQQVSKVL	66 / 9 AA	773
Phosphosite 12:	POLE	Q07864	S1930	GGIKGKVSSRIHCGL	71 / 7 AA	262
Phosphosite 13:	POLE	Q07864	S1931	GIKGKVSSRIHCGLQ	71 / 7 AA	262
Phosphosite 14:	EIF4G1	Q04637	S973	IIKEKKTSSRIRFML	62 / 8 AA	176
Phosphosite 15:	GNL3L	Q9NVN8	S38	QNGKKATSKVPSAPH	62 / 8 AA	66
Phosphosite 16:	CENPC1	Q03188	S137	TPDSKKISSRNINDH	71 / 7 AA	107
Phosphosite 17:	MYO10	Q9HD67	S419	WVIKKINSRIKGNED	57 / 7 AA	237
Phosphosite 18:	BAHCC1	Q9P281	S2029	CRRTKKVSSEAPPPS	66 / 9 AA	277
Phosphosite 19:	CDH10	Q9Y6N8	S38	VPQQRILSSRVPRSD	62 / 8 AA	88
Phosphosite 20:	ZNF212	Q9UDV6	S276	TLEEPVGSRVPSSSR	83 / 6 AA	55