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:	S512
P-Site Sequence:	ESKMDNESLNSIHES
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	S512	ESKMDNESLNSIHES	100 / 9 AA	119
Phosphosite 1:	TYW1	Q9NV66	S307	FGGEDHQSLNSIVDV	75 / 8 AA	84
Phosphosite 2:	TYW1B	Q6NUM6	S261	FGGEDHQSLNSIVDV	75 / 8 AA	77
Phosphosite 3:	TLK2	Q86UE8	S624	SKIMDDDSYNSVDGM	55 / 9 AA	88
Phosphosite 4:	CMYA3	A4UGR9	S1033	RYKFENQSLDSISSS	55 / 9 AA	382
Phosphosite 5:	HK3	P52790	S298	DHTLDHESLNPGAQR	62 / 8 AA	99
Phosphosite 6:	CLSPN	Q9HAW4	S232	SPLEDEESLESIRAA	75 / 8 AA	151
Phosphosite 7:	RAPGEF2	Q9Y4G8	S992	ELEMDEESLQTLSLQ	55 / 9 AA	167
Phosphosite 8:	C4orf21	Q86YA3	S515	MDNESLNSIHESLSN	100 / 6 AA	119
Phosphosite 9:	RNF34	Q969K3	S163	EDDMDTSSLNSSRSQ	75 / 8 AA	42
Phosphosite 10:	CLIP1	P30622	S604	KLSKENESLKSKLEH	62 / 8 AA	162
Phosphosite 11:	MORC3	Q14149	S889	VNHMDGESLKLRSLR	71 / 7 AA	107
Phosphosite 12:	GRHL3	Q8TE85	S175	TDMYDNGSLNSLFES	75 / 8 AA	70
Phosphosite 13:	GMPPA	Q96IJ6	S371	DPRARMDSESLFKDG	83 / 6 AA	46
Phosphosite 14:	RNF34	Q969K3	S162	SEDDMDTSSLNSSRS	75 / 8 AA	42
Phosphosite 15:	BROMI	Q96NH3	S1004	DANVKNESLSSVQQL	55 / 9 AA	145
Phosphosite 16:	AChE	P22303	S383	GFSKDNESLISRAEF	75 / 8 AA	68
Phosphosite 17:	NAV1	Q8NEY1	S754	ALDSDNISLKSIGSP	75 / 8 AA	202
Phosphosite 18:	PLEKHM1	Q9Y4G2	S219	AELQRKESLDSISHS	71 / 7 AA	117
Phosphosite 19:	NP	P00491	Y249	TNKVIMDYESLEKAN	83 / 6 AA	32
Phosphosite 20:	CAPRIN2	Q6IMN6	T956	SPERDNETFNSGDSG	62 / 8 AA	126