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:	C4orf23
Human P-Site:	S511
P-Site Sequence:	KSRTYPSSREASVDE
UniProt:	Q8IYL2
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	C4orf23	Q8IYL2	S511	KSRTYPSSREASVDE	100 / 9 AA	85
Phosphosite 1:	C4orf23	Q8IYL2	S510	GKSRTYPSSREASVD	100 / 8 AA	85
Phosphosite 2:	MACF1	Q9UPN3	S2474	LLVTYPNSQEAENWK	75 / 8 AA	620
Phosphosite 3:	MACF1	Q96PK2	S2976	LLVTYPNSQEAENWK	75 / 8 AA	670
Phosphosite 4:	REV3	O60673	S1314	DLQTFPSSRDDLHPS	71 / 7 AA	353
Phosphosite 5:	REV3	O60673	S1313	VDLQTFPSSRDDLHP	71 / 7 AA	353
Phosphosite 6:	WHSC2	Q9H3P2	S349	ETPPAPSSREASRPP	100 / 7 AA	57
Phosphosite 7:	C4orf23	Q8IYL2	Y508	LVGKSRTYPSSREAS	100 / 6 AA	85
Phosphosite 8:	RBMX	P38159	S228	SSRDYPSSRDTRDYA	71 / 7 AA	42
Phosphosite 9:	RBMX	P38159	S227	YSSRDYPSSRDTRDY	71 / 7 AA	42
Phosphosite 10:	C20orf26	Q8NHU2	S595	YYRVYPKSREGKFQN	62 / 8 AA	141
Phosphosite 11:	ABO	P16442	S239	LHPGFYGSSREAFTY	85 / 7 AA	41
Phosphosite 12:	ABO	P16442	S240	HPGFYGSSREAFTYE	85 / 7 AA	41
Phosphosite 13:	HERC1	Q15751	S783	IPPLPFPSSREHHSF	83 / 6 AA	532
Phosphosite 14:	THOC3	Q96J01	S336	KDGKYDSSREAGTVK	66 / 9 AA	39
Phosphosite 15:	HERC1	Q15751	S784	PPLPFPSSREHHSFL	83 / 6 AA	532
Phosphosite 16:	THOC3	Q96J01	S335	DKDGKYDSSREAGTV	75 / 8 AA	39
Phosphosite 17:	FEM1A	Q9BSK4	T292	SYESCCPTSREAAVE	71 / 7 AA	74
Phosphosite 18:	SIX2	Q9NPC8	S150	YAHNPYPSPREKREL	83 / 6 AA	32
Phosphosite 19:	SIX1	Q15475	S150	YAHNPYPSPREKREL	83 / 6 AA	32
Phosphosite 20:	CLK3	P49761	S186	EGRLRYPSRREPPPR	71 / 7 AA	59