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:	S101
P-Site Sequence:	NSRTFISSGRSLGCQ
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	S101	NSRTFISSGRSLGCQ	100 / 9 AA	119
Phosphosite 1:	C4orf21	Q86YA3	S100	LNSRTFISSGRSLGC	100 / 8 AA	119
Phosphosite 2:	C1RL	Q9NZP8	S131	GQREFVSSGRSLRLT	87 / 8 AA	53
Phosphosite 3:	ZC3H12A	Q5D1E8	S401	LTQTYAPSGRSLAPS	66 / 9 AA	66
Phosphosite 4:	TNFRSF11A	Q9Y6Q6	S535	NSNSTFISSGQVMNF	85 / 7 AA	66
Phosphosite 5:	C1RL	Q9NZP8	S130	PGQREFVSSGRSLRL	85 / 7 AA	53
Phosphosite 6:	SLAIN1	Q8ND83	S199	SSKTFTSSEKSLTPL	66 / 9 AA	61
Phosphosite 7:	SCRT2	Q9NQ03	S114	SMDAFFISDGRSRRR	85 / 7 AA	33
Phosphosite 8:	ADARB2	Q9NS39	S320	DGRTFEGSGRSKKLA	75 / 8 AA	81
Phosphosite 9:	GLTSCR1	Q9NZM4	S1204	KPDEYVSSSRSLGLP	62 / 8 AA	153
Phosphosite 10:	COL6A6	A6NMZ7	S1871	RKIATFFSSGQSADA	75 / 8 AA	247
Phosphosite 11:	ATP8B1	O43520	S1223	GYADLISSGRSIRKK	75 / 8 AA	144
Phosphosite 12:	PKIA	P61925	S14	TYADFIASGRTGRRN	71 / 7 AA	8
Phosphosite 13:	ATP8B1	O43520	S1222	RGYADLISSGRSIRK	85 / 7 AA	144
Phosphosite 14:	GLTSCR1	Q9NZM4	S1205	PDEYVSSSRSLGLPI	62 / 8 AA	153
Phosphosite 15:	KIAA1486	Q9P242	S520	ELTSLFSSGRSLLRK	66 / 9 AA	71
Phosphosite 16:	MGAM	O43451	S1516	TRSTFPSSGRWAGHW	75 / 8 AA	210
Phosphosite 17:	SENP5	Q96HI0	S107	DAKHFISSSKTLLRL	62 / 8 AA	87
Phosphosite 18:	SDR42E1	Q8WUS8	S255	SGQPYFISDGRPVNN	71 / 7 AA	44
Phosphosite 19:	CSTF1	Q05048	T337	AKLWEISTGRTLVRY	71 / 7 AA	48
Phosphosite 20:	PTGER3	P43115	T212	GTWCFISTGRGGNGT	71 / 7 AA	43