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:	S397
P-Site Sequence:	SVGNNDPSWNQEVKL
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	S397	SVGNNDPSWNQEVKL	100 / 9 AA	119
Phosphosite 1:	Rapgef3	O95398	S794	LERLLDPSWNHRVYR	83 / 6 AA	104
Phosphosite 2:	CC2D2A	Q9P2K1	S1123	TAEGPNPSWNEELEL	71 / 7 AA	186
Phosphosite 3:	GAPVD1	Q14C86	S917	RRPMSDPSWNRRPGN	71 / 7 AA	165
Phosphosite 4:	BAT2D1	Q9Y520	S395	VPYGKGPSFNQERGT	55 / 9 AA	317
Phosphosite 5:	ERCC6L	Q2NKX8	S557	RVVIFDPSWNPATDA	71 / 7 AA	141
Phosphosite 6:	ZNF213	O14771	S27	IVKVEDSSWEQESAQ	71 / 7 AA	51
Phosphosite 7:	MSLN	Q13421	S280	QRSSRDPSWRQPERT	62 / 8 AA	69
Phosphosite 8:	REM1	O75628	S144	EAEKLDKSWSQESCL	71 / 7 AA	33
Phosphosite 9:	ANKRD17	O75179	S2565	GPHAADPSWNSLIKM	100 / 5 AA	274
Phosphosite 10:	REM1	O75628	S146	EKLDKSWSQESCLQG	71 / 7 AA	33
Phosphosite 11:	LRRC9	Q6ZRR7	S768	KLKHLDLSWNQLKKS	62 / 8 AA	128
Phosphosite 12:	KCNH8	Q96L42	S1071	SLENLPGSWNQEGMA	100 / 5 AA	124
Phosphosite 13:	ATP13A4	Q4VNC1	S1163	RDLANDPSWPPLNQT	100 / 5 AA	134
Phosphosite 14:	C6orf168	Q5TGI0	S18	RPCVVDLSWNQSISF	83 / 6 AA	47
Phosphosite 15:	FAM30A	Q9NZY2	S36	LRSRERPSWPQETHG	83 / 6 AA	17
Phosphosite 16:	IQGAP2	Q13586	S459	AALNIDPSWMGSTRP	83 / 6 AA	181
Phosphosite 17:	MEIS1	O00470	S212	ANLTDQPSWNRDHDD	44 / 9 AA	43
Phosphosite 18:	eEF2K	O00418	S48	PITDDPSSNQNVNSK	71 / 7 AA	82
Phosphosite 19:	SFRS14	Q8IX01	S159	VSQESSWSQEYSFGP	57 / 7 AA	120
Phosphosite 20:	eEF2K	O00418	S47	CPITDDPSSNQNVNS	71 / 7 AA	82