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:	S506
P-Site Sequence:	ITDMISESKMDNESL
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	S506	ITDMISESKMDNESL	100 / 9 AA	119
Phosphosite 1:	C4orf21	Q86YA3	S504	DDITDMISESKMDNE	100 / 7 AA	119
Phosphosite 2:	TAGLN3	Q9UI15	S83	PIPKISESKMAFKQM	85 / 7 AA	22
Phosphosite 3:	TAGLN3	Q9UI15	S81	QEPIPKISESKMAFK	85 / 7 AA	22
Phosphosite 4:	NBR1	Q14596	S498	EKGMISSSKTDDLTC	66 / 9 AA	107
Phosphosite 5:	GABRR3	A8MPY1	T100	SIDSISETNMDFTMT	71 / 7 AA	54
Phosphosite 6:	Adenylate cyclase 3	O60266	S459	GRVHISQSTMDCLKG	71 / 7 AA	129
Phosphosite 7:	NDC80	O14777	T494	EQLNAMITESKRSVR	83 / 6 AA	74
Phosphosite 8:	UNC5D	Q6UXZ4	S938	KLSNISESQLDEADF	71 / 7 AA	105
Phosphosite 9:	GBF1	Q92538	T1121	CDPEKMITESKFLQL	71 / 7 AA	206
Phosphosite 10:	NDC80	O14777	S496	LNAMITESKRSVRTL	83 / 6 AA	74
Phosphosite 11:	COL24A1	Q17RW2	S357	SVTTHRISEAKMNTK	83 / 6 AA	175
Phosphosite 12:	PLCB3	Q01970	S1107	RKRHNSISEAKMRDK	83 / 6 AA	139
Phosphosite 13:	CAND1	Q86VP6	S704	LPPLISESDMHVSQM	62 / 8 AA	136
Phosphosite 14:	CAND1	Q86VP6	S702	DELPPLISESDMHVS	71 / 7 AA	136
Phosphosite 15:	NRAP	Q86VF7	S1200	KKASELISESKYRQH	83 / 6 AA	197
Phosphosite 16:	ADAR	P55265	S701	PEGMISESLDNLESM	77 / 9 AA	136
Phosphosite 17:	SETD2	Q9BYW2	S1888	LKIISENSMDSAISD	62 / 8 AA	288
Phosphosite 18:	MGAT5	Q09328	S102	QRIGKLESKVDNLVV	83 / 6 AA	85
Phosphosite 19:	dyskerin	O60832	Y200	QLRVRTIYESKMIEY	83 / 6 AA	58
Phosphosite 20:	EP300	Q09472	S998	DTQPEDISESKVEDC	83 / 6 AA	264