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:	S515
P-Site Sequence:	MDNESLNSIHESLSN
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	S515	MDNESLNSIHESLSN	100 / 9 AA	119
Phosphosite 1:	Lrrc4b	Q9NT99	S693	KGPPGLNSIHEPLLF	75 / 8 AA	76
Phosphosite 2:	TRAD	O60229	S1753	QAQPSLNSIHSSPGP	87 / 8 AA	340
Phosphosite 3:	CCDC93	Q567U6	S541	KEISLLNSIHENFSQ	85 / 7 AA	73
Phosphosite 4:	NR2E3	Q9Y5X4	S219	SSPCGLDSIHETSAR	62 / 8 AA	45
Phosphosite 5:	BLK	P51451	S356	AYIERMNSIHRDLRA	71 / 7 AA	58
Phosphosite 6:	RERE	Q9P2R6	T368	TTLNALNTLHESGYD	62 / 8 AA	172
Phosphosite 7:	C4orf21	Q86YA3	S512	ESKMDNESLNSIHES	100 / 6 AA	119
Phosphosite 8:	COQ3	Q9NZJ6	S292	VSPETLESILESNGL	66 / 9 AA	41
Phosphosite 9:	DMD	P11532	S1107	TIQPSLNSVNEGGQK	62 / 8 AA	427
Phosphosite 10:	PANK3	Q9H999	S47	EEVESLKSIRKYLTS	71 / 7 AA	41
Phosphosite 11:	PANK2	Q9BZ23	S247	EEVESLKSIRKYLTS	71 / 7 AA	63
Phosphosite 12:	UIMC1	Q96RL1	S120	AIAESLNSCRPSDAS	66 / 9 AA	80
Phosphosite 13:	MARCH-X	Q8NA82	S284	YSILSLNSRRESDDT	75 / 8 AA	91
Phosphosite 14:	GRHL3	Q8TE85	S178	YDNGSLNSLFESIHG	75 / 8 AA	70
Phosphosite 15:	TFAP2D	Q7Z6R9	S94	PDAYSLNSLHHSQQY	75 / 8 AA	50
Phosphosite 16:	DYNC2H1	Q8NCM8	S2068	EWIESLNSVLDDNRL	62 / 8 AA	493
Phosphosite 17:	ACC2	O00763	S1877	TRISSLNSVHCKHIE	83 / 6 AA	277
Phosphosite 18:	SYT12	Q8IV01	S136	RKSQSADSLNSISSV	83 / 6 AA	47
Phosphosite 19:	PLEKHM1	Q9Y4G2	S219	AELQRKESLDSISHS	83 / 6 AA	117
Phosphosite 20:	SYT12	Q8IV01	S139	QSADSLNSISSVSNT	83 / 6 AA	47