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:	TTC21B
Human P-Site:	T53
P-Site Sequence:	GTLMEGKTQEALREF
UniProt:	Q7Z4L5
Intern. Prot. ID:	IPI00178386

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	TTC21B	Q7Z4L5	T53	GTLMEGKTQEALREF	100 / 9 AA	151
Phosphosite 1:	IGDCC3	Q8IVU1	T764	CGLMEGKTTEAKTTE	87 / 8 AA	87
Phosphosite 2:	PIP5K	Q9Y2I7	S146	KEIMEGKSQDSDLKQ	62 / 8 AA	237
Phosphosite 3:	FAM188B2	A8MYZ0	S223	NGCEEGKSQETLHGV	75 / 8 AA	41
Phosphosite 4:	GUCA1A	P43080	S9	GNVMEGKSVEELSST	66 / 9 AA	23
Phosphosite 5:	TLN1	Q9Y490	S1694	LAPREGISQEALHTQ	66 / 9 AA	270
Phosphosite 6:	USP28	Q96RU2	Y914	ELYQKGKYQEALSYL	85 / 7 AA	122
Phosphosite 7:	ZNF687	Q8N1G0	T158	EKGMEGKTPLDLFAH	66 / 9 AA	130
Phosphosite 8:	TICAM1	Q8IUC6	T708	SQAPEDKTQEAE___	85 / 7 AA	76
Phosphosite 9:	ST6GALNAC3	Q8NDV1	T69	YGYINVKTQEPLQLD	55 / 9 AA	35
Phosphosite 10:	CREB3L1	Q96BA8	T109	PIKMEDTTQDAEHGA	62 / 8 AA	57
Phosphosite 11:	CREB3L1	Q96BA8	T108	VPIKMEDTTQDAEHG	62 / 8 AA	57
Phosphosite 12:	RTTN	Q86VV8	T1046	QMNSETKTQEILDAL	75 / 8 AA	249
Phosphosite 13:	TXNDC9	O14530	T154	ALLKDGKTQDYVVGF	57 / 7 AA	27
Phosphosite 14:	ANKRD35	Q8N283	S804	QATMSGKSQEIGKLK	71 / 7 AA	110
Phosphosite 15:	TRAF3IP1	Q8TDR0	T9	NAAVVRRTQEALGKV	83 / 6 AA	79
Phosphosite 16:	SOD2	P04179	Y69	LNVTEEKYQEALAKG	75 / 8 AA	25
Phosphosite 17:	SMARCA5	O60264	T876	AREVEGKTPEEVIEY	55 / 9 AA	122
Phosphosite 18:	XRCC3	O43542	T114	GRSSAGKTQLALQLC	75 / 8 AA	38
Phosphosite 19:	SYNPO	Q8N3V7	Y248	PGHSMEGYSEEASLL	62 / 8 AA	99
Phosphosite 20:	SYNPO	Q8N3V7	S249	GHSMEGYSEEASLLR	62 / 8 AA	99