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:	Y618
P-Site Sequence:	SQFCDKTYVGFDMGI
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	Y618	SQFCDKTYVGFDMGI	100 / 9 AA	119
Phosphosite 1:	Septin-5	Q99719	Y24	KQDIDKQYVGFATLP	75 / 8 AA	43
Phosphosite 2:	DEPDC1A	Q5TB30	Y268	NDMNNPTYVGFERDV	62 / 8 AA	89
Phosphosite 3:	GALNT13	Q8IUC8	Y255	MAGSDMTYGGFNWKL	55 / 9 AA	64
Phosphosite 4:	GALNT1	Q10472	Y256	MAGSDMTYGGFNWKL	55 / 9 AA	64
Phosphosite 5:	Septin-1	Q8WYJ6	Y5	___MDKEYVGFAALP	85 / 7 AA	42
Phosphosite 6:	Septin-4	O43236	Y124	SSEDDKEYVGFATLP	85 / 7 AA	55
Phosphosite 7:	SNAI2	O43623	Y168	CKYCDKEYVSLGALK	62 / 8 AA	30
Phosphosite 8:	INPP5F	Q9Y2H2	Y405	FNNSHLTYVSFDFHE	55 / 9 AA	128
Phosphosite 9:	ZNF608	Q9ULD9	Y401	VTWRNKTYVGTLLDC	71 / 7 AA	162
Phosphosite 10:	ZNF608	Q9ULD9	T400	NVTWRNKTYVGTLLD	71 / 7 AA	162
Phosphosite 11:	ZNF609	O15014	Y338	VTWRNKTYVGTLLDC	71 / 7 AA	151
Phosphosite 12:	ZNF609	O15014	T337	NVTWRNKTYVGTLLD	71 / 7 AA	151
Phosphosite 13:	ZNF425	Q6IV72	Y591	CGECDKTYTHQSQLT	83 / 6 AA	88
Phosphosite 14:	NIPBL	Q6KC79	Y2349	LVEIDKKYAGFIHMK	62 / 8 AA	316
Phosphosite 15:	KIAA0678	O75165	Y1673	KGDCDKTYGSEFVYS	100 / 5 AA	115
Phosphosite 16:	KIAA0678	O75165	T1672	KKGDCDKTYGSEFVY	100 / 5 AA	115
Phosphosite 17:	C13orf26	Q8N6G2	Y244	QSDYDKTYPDFLMLL	62 / 8 AA	34
Phosphosite 18:	HMGB4	Q8WW32	T34	FKEQQPSTYVGFKEF	100 / 5 AA	22
Phosphosite 19:	FSH receptor	P23945	Y330	SRGFDMTYTEFDYDL	62 / 8 AA	78
Phosphosite 20:	ZNFX1	Q9P2E3	Y627	PPGTGKTYVGLKIVQ	71 / 7 AA	220