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:	S1137
P-Site Sequence:	LMATKQKSNVEQALN
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	S1137	LMATKQKSNVEQALN	100 / 9 AA	151
Phosphosite 1:	G2	Q6ZVL6	S1399	NKALKQKSDIEHYRN	62 / 8 AA	199
Phosphosite 2:	ADD2	P35612	S396	QEKTKHKSEVEIPAT	75 / 8 AA	81
Phosphosite 3:	C9orf131	Q5VYM1	S96	DHLCKQKSEVEEEGE	75 / 8 AA	118
Phosphosite 4:	CSHL1	Q14406	S79	MEETQQKSNLELLHI	75 / 8 AA	23
Phosphosite 5:	CSH1	P01243	S97	MEETQQKSNLELLRI	75 / 8 AA	25
Phosphosite 6:	GH2	P01242	S97	RVKTQQKSNLELLRI	75 / 8 AA	25
Phosphosite 7:	GH	P01241	S97	REETQQKSNLELLRI	75 / 8 AA	25
Phosphosite 8:	NOL8	Q76FK4	S432	IKLQKRKSNVESALS	85 / 7 AA	132
Phosphosite 9:	ZBTB48	P10074	S258	AVLTRRKSNVIRKPC	55 / 9 AA	77
Phosphosite 10:	HEATR5A	Q86XA9	T51	DVREKQKTLVEQLLS	75 / 8 AA	222
Phosphosite 11:	RTTN	Q86VV8	S95	EFLSKLRSNVEPNLQ	55 / 9 AA	249
Phosphosite 12:	DST	Q03001	S1720	AELKKQKSRVEEELP	75 / 8 AA	372
Phosphosite 13:	CANX	P27824	S554	KLEEKQKSDAEEDGG	62 / 8 AA	68
Phosphosite 14:	TERF2	Q15554	T451	ITKKQKWTVEESEWV	62 / 8 AA	56
Phosphosite 15:	C3orf43	Q147U7	S204	TPEKQKSSLEELIPS	62 / 8 AA	25
Phosphosite 16:	CNTLN	Q9NXG0	S1113	NELTKQSSNVKTLKF	85 / 7 AA	162
Phosphosite 17:	RAB43	Q86YS6	S167	ETSAKDSSNVEEAFL	55 / 9 AA	23
Phosphosite 18:	Putative Rab-43-like protein ENSP00000330714	A6NDJ8	S136	ETSAKDSSNVEEAFL	55 / 9 AA	20
Phosphosite 19:	SMU1	Q2TAY7	S215	HIKFGQKSHVECARF	83 / 6 AA	58
Phosphosite 20:	ADD3	Q9UEY8	S402	REKPRHKSDVEIPAT	57 / 7 AA	79