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:	Y790
P-Site Sequence:	LKTGQKNYLCYDLAE
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	Y790	LKTGQKNYLCYDLAE	100 / 9 AA	151
Phosphosite 1:	APOBEC3A	P31941	Y32	GIGRHKTYLCYEVER	62 / 8 AA	23
Phosphosite 2:	ZNF33B	Q06732	Y441	THTGQKPYECYECGK	66 / 9 AA	91
Phosphosite 3:	C12orf24	Q8WUB2	Y113	LTTGQKRYLCSIAKI	85 / 7 AA	31
Phosphosite 4:	MCR	P08235	Y637	AVEGQHNYLCAGRND	85 / 7 AA	107
Phosphosite 5:	PR (Progesterone)	P06401	Y601	AMEGQHNYLCAGRND	85 / 7 AA	99
Phosphosite 6:	GR	P04150	Y455	AVEGQHNYLCAGRND	85 / 7 AA	86
Phosphosite 7:	APOBEC3A	P31941	T31	NGIGRHKTYLCYEVE	71 / 7 AA	23
Phosphosite 8:	SLC39A10	Q9ULF5	Y596	QESPPKNYLCIEEEK	62 / 8 AA	94
Phosphosite 9:	PRDM4	Q9UKN5	Y646	IHTGQKNYRCTLCDK	85 / 7 AA	88
Phosphosite 10:	TTC6	Q86TZ1	Y315	IDTDPKNYLAYEGRA	55 / 9 AA	59
Phosphosite 11:	ZFP57	Q9NU63	Y356	THWKQKSYLCPICDL	83 / 6 AA	52
Phosphosite 12:	MEKK2	Q9Y2U5	Y371	QGAFGRVYLCYDVDT	71 / 7 AA	70
Phosphosite 13:	MEKK3	Q99759	Y377	QGAFGRVYLCYDVDT	71 / 7 AA	71
Phosphosite 14:	APOBEC3G	Q9HC16	Y219	VRGRHETYLCYEVER	50 / 8 AA	46
Phosphosite 15:	DIP	Q6IC98	Y494	VLYVTENYLCFESSK	66 / 6 AA	66
Phosphosite 16:	ULBP3	Q9BZM4	S64	VDQKNFLSYDCGSDK	71 / 7 AA	28
Phosphosite 17:	DENND4A	Q7Z401	Y88	SLVGPQIYLCYRRGR	62 / 8 AA	209
Phosphosite 18:	APOBEC3B	Q9UH17	Y215	VLRRRQTYLCYEVER	50 / 8 AA	46
Phosphosite 19:	MEKK2	Q9Y2U5	Y374	FGRVYLCYDVDTGRE	100 / 5 AA	70
Phosphosite 20:	MEKK3	Q99759	Y380	FGRVYLCYDVDTGRE	100 / 5 AA	71