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:	S429
P-Site Sequence:	AENDGILSESDIQED
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	S429	AENDGILSESDIQED	100 / 9 AA	119
Phosphosite 1:	C4orf21	Q86YA3	S431	NDGILSESDIQEDNK	100 / 7 AA	119
Phosphosite 2:	FAM46A	Q96IP4	S79	QRLDGILSETIPIHG	85 / 7 AA	50
Phosphosite 3:	FBXO18	Q8NFZ0	S278	SKVDGILSNCGIEKE	66 / 9 AA	118
Phosphosite 4:	NHLRC2	Q8NBF2	S274	GRKDGIFSESTFNSP	66 / 9 AA	79
Phosphosite 5:	ADC	Q96A70	S6	__MAGYLSESDFVMV	75 / 8 AA	50
Phosphosite 6:	ZNF862	O60290	S296	EITDGIHSSSDINIL	77 / 9 AA	132
Phosphosite 7:	COL29A1	A8TX70	S1314	IFSDGLQSESNIMLE	66 / 9 AA	290
Phosphosite 8:	PAX3	P23760	S193	HSIDGILSERASAPQ	100 / 6 AA	53
Phosphosite 9:	DIS3	Q9Y2L1	S361	RPYCGMLSKSDIKES	75 / 8 AA	109
Phosphosite 10:	TSNAX	Q99598	T88	PDMEDILTESEIKLD	55 / 9 AA	33
Phosphosite 11:	TYMP	P19971	S50	KRDGGRLSEADIRGF	75 / 8 AA	50
Phosphosite 12:	SAGE1	Q9NXZ1	S740	TPPDGFLSNSDSPEL	75 / 8 AA	99
Phosphosite 13:	ERO1L	Q96HE7	T293	QRFDGILTEGEGPRR	62 / 8 AA	54
Phosphosite 14:	NAPSA	O96009	S151	GRVDGILSEDKLTIG	100 / 6 AA	45
Phosphosite 15:	KIAA1632	Q9HCE0	S941	KPYAGILSESMKQVS	100 / 6 AA	292
Phosphosite 16:	LIG1	P18858	S47	KEWNGVVSESDSPVK	62 / 8 AA	102
Phosphosite 17:	FAM91A1	Q658Y4	S820	IFKDGVLSEWSGRSP	71 / 7 AA	94
Phosphosite 18:	WIZ	O95785	S91	EAGEGILSERRFEDS	71 / 7 AA	179
Phosphosite 19:	GON4	Q3T8J9	S426	DEESGILSEAEKVTT	71 / 7 AA	249
Phosphosite 20:	PHAX	Q9H814	S14	DMEDGQLSDSDSDMT	75 / 8 AA	44