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:	S269
P-Site Sequence:	EGNMTTVSSLKTQKA
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	S269	EGNMTTVSSLKTQKA	100 / 9 AA	151
Phosphosite 1:	TTC21A	Q8NDW8	T267	AREGNMTTVSSLKTQ	100 / 7 AA	151
Phosphosite 2:	TPD52L1	Q16890	T159	ERVETTVTSLKTKVG	87 / 8 AA	22
Phosphosite 3:	TPD52L1	Q16890	S160	RVETTVTSLKTKVGG	87 / 8 AA	22
Phosphosite 4:	CCDC46	Q8N8E3	S829	AELQTTISSLKEENS	75 / 8 AA	113
Phosphosite 5:	CCDC46	Q8N8E3	S830	ELQTTISSLKEENSQ	85 / 7 AA	113
Phosphosite 6:	CEP57R	Q8IYX8	S235	KIIMSSVSNLKHSKE	62 / 8 AA	54
Phosphosite 7:	PPFIBP2	Q8ND30	S182	LDLMTEVSELKLKLV	75 / 8 AA	98
Phosphosite 8:	TMEM173	Q86WV6	S345	KEEVTVGSLKTSAVP	85 / 7 AA	42
Phosphosite 9:	TTC21A	Q8NDW8	T266	LAREGNMTTVSSLKT	100 / 6 AA	151
Phosphosite 10:	EZH2	Q15910	S75	VHILTSVSSLRGTRE	62 / 8 AA	85
Phosphosite 11:	DOM3Z	O77932	S302	NPDGFVSSLKTFPTM	100 / 6 AA	45
Phosphosite 12:	DEK	P35659	S122	NRPGTVSSLKKNVGQ	100 / 6 AA	43
Phosphosite 13:	DEK	P35659	S121	YNRPGTVSSLKKNVG	100 / 6 AA	43
Phosphosite 14:	GPX5	O75715	S206	SHRATVSSVKTDILA	75 / 8 AA	25
Phosphosite 15:	EVI2B	P34910	S364	KPTMTIVSPLPNDST	71 / 7 AA	49
Phosphosite 16:	CHI3L2	Q15782	S87	MLYQTINSLKTKNPK	71 / 7 AA	44
Phosphosite 17:	IPP	Q9Y573	S328	QYWTTVSSLHQARSG	100 / 6 AA	65
Phosphosite 18:	IPP	Q9Y573	T325	TFSQYWTTVSSLHQA	100 / 6 AA	65
Phosphosite 19:	AZI1	Q9UPN4	S1053	RKEEAVSSLRTQHEA	71 / 7 AA	122
Phosphosite 20:	AZI1	Q9UPN4	S1052	ARKEEAVSSLRTQHE	71 / 7 AA	122