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:	S240
P-Site Sequence:	VKRDSLASHYSGVSQ
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	S240	VKRDSLASHYSGVSQ	100 / 9 AA	119
Phosphosite 1:	C4orf21	Q86YA3	Y242	RDSLASHYSGVSQNI	100 / 7 AA	119
Phosphosite 2:	BCAS3	Q9H6U6	S712	GSYDSLASDHSGQED	77 / 9 AA	101
Phosphosite 3:	GTF3A	Q92664	S323	REKRSLASHLSGYIP	87 / 8 AA	42
Phosphosite 4:	PIN1	Q13526	S108	EDFESLASQFSDCSS	55 / 9 AA	18
Phosphosite 5:	AGXT2L2	Q8IUZ5	Y127	ALRLARHYTGHQDVV	71 / 7 AA	50
Phosphosite 6:	C4orf21	Q86YA3	S243	DSLASHYSGVSQNIR	100 / 6 AA	119
Phosphosite 7:	SRRM3	A6NNA2	S267	SHSPSLSSHYSDSRS	75 / 8 AA	65
Phosphosite 8:	SAMSN1	Q9NSI8	S128	KASDSMDSLYSGQSS	66 / 9 AA	42
Phosphosite 9:	ZNF557	Q8N988	S302	GTRSSLSSHYSIHTG	85 / 7 AA	49
Phosphosite 10:	C4orf21	Q86YA3	S237	NEPVKRDSLASHYSG	100 / 6 AA	119
Phosphosite 11:	ZNF557	Q8N988	S301	FGTRSSLSSHYSIHT	85 / 7 AA	49
Phosphosite 12:	MAGE-C1	O60732	S560	PQGEDSLSPHYFPQS	71 / 7 AA	124
Phosphosite 13:	MAGE-C1	O60732	S544	PEWEDSLSPHYFPQS	71 / 7 AA	124
Phosphosite 14:	SRRM3	A6NNA2	S266	SSHSPSLSSHYSDSR	85 / 7 AA	65
Phosphosite 15:	LRRFIP2	Q9Y608	S205	LRSASLASLYNGGLY	75 / 8 AA	82
Phosphosite 16:	ZFP112	Q9UJU3	S456	GNGFSLASHFQDLQI	83 / 6 AA	106
Phosphosite 17:	PAX8	Q06710	S178	PQSDSLGSTYSINGL	75 / 8 AA	48
Phosphosite 18:	GPR110	Q5T601	S363	ISSLSLASHFRVSNS	71 / 7 AA	101
Phosphosite 19:	polycystin 1	P98161	S3457	EDGFSLASPYSPAKS	85 / 7 AA	463
Phosphosite 20:	CXorf62	Q8N2A0	S59	SDPPTSASHFSGLQA	83 / 6 AA	18