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:	S1023
P-Site Sequence:	EDFMVEFSETSLKAR
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	S1023	EDFMVEFSETSLKAR	100 / 9 AA	119
Phosphosite 1:	C14orf43	Q6PJG2	S507	TKCGVEFSEPSLATK	87 / 8 AA	115
Phosphosite 2:	HSPA13	P48723	S133	KNGMVEFSVTSNETI	87 / 8 AA	52
Phosphosite 3:	RASAL1	O95294	S218	FLGMVEFSPKTLQQK	66 / 9 AA	90
Phosphosite 4:	ZNF831	Q5JPB2	S1663	KQTRVEFSDTSSDDE	75 / 8 AA	178
Phosphosite 5:	CCL18	P55774	S48	QKFIVDYSETSPQCP	62 / 8 AA	10
Phosphosite 6:	BCoR	Q6W2J9	T1644	FEFEFSETPLLPCYN	85 / 7 AA	192
Phosphosite 7:	CCL18	P55774	Y47	PQKFIVDYSETSPQC	62 / 8 AA	10
Phosphosite 8:	NSF	P46459	S577	PDKMIGFSETAKCQA	62 / 8 AA	83
Phosphosite 9:	SNAPC4	Q5SXM2	S33	SGSHVEISESSLESD	75 / 8 AA	159
Phosphosite 10:	ZFHX3	Q15911	Y2914	DNEGTVDYSETSSLA	71 / 7 AA	404
Phosphosite 11:	ZFHX3	Q15911	S2915	NEGTVDYSETSSLAD	71 / 7 AA	404
Phosphosite 12:	SUGT1	Q9Y2Z0	S202	NDVNVEFSEKELSAL	75 / 8 AA	41
Phosphosite 13:	BEND2	Q8NDZ0	S32	SIEMVEVSETADNST	75 / 8 AA	88
Phosphosite 14:	KIAA1949	Q6NYC8	S543	KQLKISFSETALETT	55 / 9 AA	68
Phosphosite 15:	OVGP1	Q12889	S389	LVRAEFSSTSLPQFW	75 / 8 AA	75
Phosphosite 16:	FAM149B1	Q96BN6	S405	PNRAVEFSTSSLSYT	75 / 8 AA	65
Phosphosite 17:	AKAP6	Q13023	S2201	CSSEFSDSSLSADDA	71 / 7 AA	257
Phosphosite 18:	UAP1L1	Q3KQV9	Y307	GVPQVVEYSEISPET	62 / 8 AA	57
Phosphosite 19:	UAP1	Q16222	Y304	GVYQVVEYSEISLAT	62 / 8 AA	59
Phosphosite 20:	C21orf56	Q9H0A9	S164	RPKKVCFSESSLPTG	66 / 9 AA	38