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:	C4orf21
Human P-Site:	Y748
P-Site Sequence:	LNTNQNHYECIALDK
UniProt:	Q86YA3
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	C4orf21	Q86YA3	Y748	LNTNQNHYECIALDK	100 / 9 AA	119
Phosphosite 1:	CNTN6	Q9UQ52	Y295	QQEDEGFYECIASNL	55 / 9 AA	114
Phosphosite 2:	PAMR1	Q6UXH9	Y412	HLHTQLQYECISPFY	55 / 9 AA	80
Phosphosite 3:	Zinc finger protein ZnFP12	Q6N045	Y347	NHTAQKHYECKLCGK	83 / 6 AA	63
Phosphosite 4:	KIAA1553	Q5T5X7	Y799	KMEEVWHYECIPSID	71 / 7 AA	94
Phosphosite 5:	NUDT5	Q9UKK9	Y74	VLQRTLHYECIVLVK	83 / 6 AA	24
Phosphosite 6:	IGSF10	Q6WRI0	Y1915	ASSDRGTYECIATSS	55 / 9 AA	291
Phosphosite 7:	ZNF132	P52740	Y319	FHTEVKYYECIACGK	71 / 7 AA	81
Phosphosite 8:	ZFP28	Q8NHY6	Y729	LHTGQRPYECIECGK	62 / 8 AA	99
Phosphosite 9:	ZNF781	Q8N8C0	Y33	SHANQKPYECQICGK	71 / 7 AA	42
Phosphosite 10:	ZNF397OS	Q86W11	Y413	IHTGDKSYECIACGK	55 / 9 AA	56
Phosphosite 11:	ZNF772	Q68DY9	Y406	VHTGARPYECIACGK	83 / 6 AA	55
Phosphosite 12:	MAOA	P21397	Y264	ETLNHEHYECKYVIN	71 / 7 AA	60
Phosphosite 13:	CENPE	Q02224	Y2114	YSEMDDHYECLNRLS	57 / 7 AA	316
Phosphosite 14:	FLJ90293	Q9BS34	Y281	THTGEKPYECIKCGK	50 / 8 AA	45
Phosphosite 15:	ZNF527	Q8NB42	Y438	IHTGEKPYECIKCGK	50 / 8 AA	67
Phosphosite 16:	ZNF181	Q2M3W8	Y489	IHTGEKPYECIKCGK	50 / 8 AA	66
Phosphosite 17:	KIF26B	Q2KJY2	Y1677	GRATVSHYECLSLER	57 / 7 AA	224
Phosphosite 18:	ZFP90	Q8TF47	Y553	THTGEKPYECIDCGK	50 / 8 AA	73
Phosphosite 19:	ZNF345	Q14585	Y202	IHTGEKPYECIDCGK	50 / 8 AA	55
Phosphosite 20:	ZNF471	Q9BX82	Y515	IHTGEKPYECIECGN	50 / 8 AA	73