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:	C21orf63
Human P-Site:	S391
P-Site Sequence:	SDFPGELSGFCRTSY
UniProt:	P58658
Intern. Prot. ID:	IsoformA - IPI00068068

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	C21orf63	P58658	S391	SDFPGELSGFCRTSY	100 / 9 AA	49
Phosphosite 1:	RBCK1	Q9BYM8	S490	PGGPGDTSGGCRCRV	66 / 9 AA	58
Phosphosite 2:	ATP2B3	Q16720	S57	EEAYGDVSGLCRRLK	62 / 8 AA	134
Phosphosite 3:	KCNJ14	Q9UNX9	T386	SSFPGSLTAFCYENE	62 / 8 AA	48
Phosphosite 4:	IGFALS	P35858	S57	DDDADELSVFCSSRN	55 / 9 AA	66
Phosphosite 5:	MYO5B	Q9ULV0	S359	SPQDVYLSNFCRLLG	83 / 6 AA	214
Phosphosite 6:	RGNEF	Q8N1W1	S1247	YAELGELSGFEDVHL	100 / 6 AA	192
Phosphosite 7:	ZBTB4	Q9P1Z0	S629	DLRPGELSGEEMEES	100 / 6 AA	105
Phosphosite 8:	LRRC23	Q53EV4	S238	DNQIDTLSGFSREMK	83 / 6 AA	40
Phosphosite 9:	IL13	P35225	S101	EKTQRMLSGFCPHKV	100 / 5 AA	16
Phosphosite 10:	FAM63A	Q8N5J2	S312	AAKEGELSVFFRNNH	75 / 8 AA	52
Phosphosite 11:	MYO9A	B2RTY4	S1817	LSPELPGSCRKEFKE	71 / 7 AA	293
Phosphosite 12:	Leucine-rich repeat and death domain-containing protein LOC401387	A4D1F6	S648	TRLPGELSNMTQLKE	55 / 9 AA	98
Phosphosite 13:	CGN	Q9P2M7	S258	LSPLSGFSRSRQTQD	83 / 6 AA	136
Phosphosite 14:	CGN	Q9P2M7	S255	SQNLSPLSGFSRSRQ	83 / 6 AA	136
Phosphosite 15:	TRIM35	Q9UPQ4	S109	RLHRGQLSLFCLEDK	62 / 8 AA	57
Phosphosite 16:	SLC19A3	Q9BZV2	Y142	HYQRVSGYCRSVTLA	66 / 6 AA	56
Phosphosite 17:	SLC19A3	Q9BZV2	S140	PEHYQRVSGYCRSVT	66 / 6 AA	56
Phosphosite 18:	VASN	Q6EMK4	S284	QALPGDLSGLFPRLR	71 / 7 AA	72
Phosphosite 19:	CTH	P32929	S56	QGAPGQHSGFEYSRS	71 / 7 AA	45
Phosphosite 20:	MYO1F	O00160	S514	GKVSYDVSGFCERNR	66 / 6 AA	125