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:	C3orf21
Human P-Site:	S307
P-Site Sequence:	MRQSPLYSRLLEPAQ
UniProt:	Q8NBI6
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	C3orf21	Q8NBI6	S307	MRQSPLYSRLLEPAQ	100 / 9 AA	44
Phosphosite 1:	C3orf21	Q8NBI6	Y306	AMRQSPLYSRLLEPA	100 / 8 AA	44
Phosphosite 2:	MED27	Q6P2C8	S105	QDKTPLYSQLLQAYK	66 / 9 AA	35
Phosphosite 3:	HSPB8	Q9UJY1	S28	FRDSPLSSRLLDDGF	77 / 9 AA	22
Phosphosite 4:	REXO1L1	Q8IX06	S368	LSRAALYSRLQEFLL	66 / 9 AA	74
Phosphosite 5:	MED27	Q6P2C8	Y104	VQDKTPLYSQLLQAY	75 / 8 AA	35
Phosphosite 6:	DEPDC5	O75140	S828	LSSSPLYSRGLVSRN	87 / 8 AA	178
Phosphosite 7:	DEPDC5	O75140	Y827	PLSSSPLYSRGLVSR	87 / 8 AA	178
Phosphosite 8:	PDPR	Q8NCN5	Y463	QLRTSPLYDRLDAQG	85 / 7 AA	99
Phosphosite 9:	CALHM2	Q9HA72	Y296	ENQGLPLYSRLHKWA	100 / 6 AA	36
Phosphosite 10:	NAV2	Q8IVL1	S1380	GSSSPLYSKNVDLNQ	55 / 9 AA	268
Phosphosite 11:	HSPB8	Q9UJY1	S27	PFRDSPLSSRLLDDG	87 / 8 AA	22
Phosphosite 12:	WDFY4	Q6ZS81	S903	TSGSPLHSRLIRIFE	75 / 8 AA	354
Phosphosite 13:	ACTR5	Q9H9F9	Y143	EAVCNPLYSRQMMSE	62 / 8 AA	68
Phosphosite 14:	TP53I3	Q53FA7	S252	DINGPLFSKLLFKRG	62 / 8 AA	36
Phosphosite 15:	SLC16A2	P36021	S126	NSVGILYSMLLEEEK	85 / 7 AA	60
Phosphosite 16:	NEURL2	Q9BR09	S169	RSRPGLYSHLLDQLY	71 / 7 AA	32
Phosphosite 17:	HSER (GuanyCyclase)	P25092	S772	IRRLQLYSRNLEHLV	75 / 8 AA	123
Phosphosite 18:	NCAPH2	Q6IBW4	Y166	EKNNNPLYSRQGEVL	83 / 6 AA	68
Phosphosite 19:	F8	P00451	Y506	ITDVRPLYSRRLPKG	85 / 7 AA	267
Phosphosite 20:	IBTK	Q9P2D0	Y1072	VNGTSPVYSREDLKP	83 / 6 AA	151