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:	S639
P-Site Sequence:	GKEIEEYSDTLSNFE
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	S639	GKEIEEYSDTLSNFE	100 / 9 AA	119
Phosphosite 1:	C4orf21	Q86YA3	Y638	TGKEIEEYSDTLSNF	100 / 8 AA	119
Phosphosite 2:	TPMT	P51580	S14	SLDIEEYSDTEVQKN	100 / 7 AA	28
Phosphosite 3:	C4orf21	Q86YA3	T641	EIEEYSDTLSNFESF	100 / 7 AA	119
Phosphosite 4:	C6orf183	Q5T699	Y190	VGYIMQEYNDTLQRA	62 / 8 AA	46
Phosphosite 5:	SYNE2	Q8WXH0	Y3790	ATVKMEEYSDLLKST	75 / 8 AA	796
Phosphosite 6:	SYNE2	Q8WXH0	S3791	TVKMEEYSDLLKSTE	75 / 8 AA	796
Phosphosite 7:	PDE5A	O76074	Y709	SGLSIEEYKTTLKII	75 / 8 AA	100
Phosphosite 8:	SLMAP	Q14BN4	T450	KESDFSDTLSPSKEK	71 / 7 AA	95
Phosphosite 9:	RIP140	P48552	S418	PTTIDEYSDNNPSFT	71 / 7 AA	127
Phosphosite 10:	TANC1	Q9C0D5	T607	HKPDYGDTLSSFITK	71 / 7 AA	202
Phosphosite 11:	SLMAP	Q14BN4	S448	RAKESDFSDTLSPSK	71 / 7 AA	95
Phosphosite 12:	RIP140	P48552	Y417	TPTTIDEYSDNNPSF	83 / 6 AA	127
Phosphosite 13:	DSG1	Q02413	Y672	MPEICQEYSGTLRRN	71 / 7 AA	114
Phosphosite 14:	INPP5A	Q14642	S137	VAGKEIYSDTLESTP	85 / 7 AA	48
Phosphosite 15:	ABCA4	P78363	S2235	SLLIEEYSVTQTTLD	66 / 9 AA	256
Phosphosite 16:	C6orf150	Q8N884	Y242	PRIQLEEYSNTRAYY	71 / 7 AA	59
Phosphosite 17:	C6orf183	Q5T699	T193	IMQEYNDTLQRAERL	83 / 6 AA	46
Phosphosite 18:	CELSR3	Q9NYQ7	Y2301	LVRHLEEYAATLARN	62 / 8 AA	358
Phosphosite 19:	RPAP3	Q9H6T3	S503	VLKIEEVSDTSSLQP	77 / 9 AA	76
Phosphosite 20:	RbBP2	P29375	T30	EPSWEEFTDPLSFIG	62 / 8 AA	192