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:	S246
P-Site Sequence:	RILEKDESNIDACQI
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	S246	RILEKDESNIDACQI	100 / 9 AA	151
Phosphosite 1:	CDC40	O60508	S187	KFKENDASNIDGFLG	66 / 9 AA	66
Phosphosite 2:	SYNE1	Q8NF91	S6200	TAQEKEESDVDLTAT	62 / 8 AA	1011
Phosphosite 3:	KIF1A	Q12756	S1211	NTPETDESLIDPNIL	66 / 9 AA	191
Phosphosite 4:	GOLGA4	Q13439	S1514	SKMEKKESNLETELK	55 / 9 AA	261
Phosphosite 5:	BRCA1	P38398	S850	TSIEMEESELDAQYL	55 / 9 AA	208
Phosphosite 6:	CEP350	Q5VT06	S1571	LNGEKIESSIDEQVQ	75 / 8 AA	351
Phosphosite 7:	MAP2	P11137	T1377	DDYKDETTIDDSIMD	71 / 7 AA	200
Phosphosite 8:	ARHGAP11A	Q6P4F7	S911	KSMSCEESNIGAISK	71 / 7 AA	114
Phosphosite 9:	USP45	Q70EL2	S499	KEASHSESNVDADSE	83 / 6 AA	92
Phosphosite 10:	PEG3	Q9GZU2	S861	ESNEKGESSIYISDL	71 / 7 AA	181
Phosphosite 11:	RasGRF1	Q13972	S844	EVSMREESDIDQNQS	57 / 7 AA	145
Phosphosite 12:	FAM50B	Q9Y247	S287	ATMEKDESHAGKVVL	83 / 6 AA	39
Phosphosite 13:	FAM50A	Q14320	S301	ATVEKDESHAGKVVL	83 / 6 AA	40
Phosphosite 14:	TOP2A	P11388	S1306	SDRSSDESNFDVPPR	71 / 7 AA	174
Phosphosite 15:	SAPLa	Q5H9R7	S263	FHKEKNESAIVSAIQ	71 / 7 AA	98
Phosphosite 16:	PIBF1	Q8WXW3	S655	AQLEKDVSNLNKEKS	62 / 8 AA	90
Phosphosite 17:	FAM120C	Q9NX05	S372	VSSIKDPSNLDVVGK	62 / 8 AA	121
Phosphosite 18:	ZNF114	Q8NC26	S118	VAPEKDESPVSICED	71 / 7 AA	48
Phosphosite 19:	ATP4A	P20648	S840	LAYEKAESDIMHLRP	71 / 7 AA	114
Phosphosite 20:	ATF7IP	Q6VMQ6	S508	ISGEKDESEVISQNE	71 / 7 AA	136