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:	T500
P-Site Sequence:	SRISDDITDMISESK
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	T500	SRISDDITDMISESK	100 / 9 AA	119
Phosphosite 1:	HSD17B8	Q92506	T219	QKVVDKITEMIPMGH	62 / 8 AA	27
Phosphosite 2:	SYNE2	Q8WXH0	T5066	LPSRKAITEMISWMN	55 / 9 AA	796
Phosphosite 3:	GPR111	Q8IZF7	T183	TGKSETITDMLLQKC	62 / 8 AA	79
Phosphosite 4:	TBC1D8B	Q0IIM8	T743	SHTRVDITDLIRESN	71 / 7 AA	129
Phosphosite 5:	LHX5	Q9H2C1	T342	AADNPRFTDMISHPD	83 / 6 AA	44
Phosphosite 6:	CYP17A1	P05093	S258	KEKFRSDSITNMLDT	71 / 7 AA	57
Phosphosite 7:	CYP17A1	P05093	T260	KFRSDSITNMLDTLM	62 / 8 AA	57
Phosphosite 8:	PEX13	Q92968	T262	STHSDEVTDSINWAS	55 / 9 AA	44
Phosphosite 9:	ABCA5	Q8WWZ7	S926	NSADSDISDLISFFT	71 / 7 AA	187
Phosphosite 10:	A-Myb	P10243	S647	QLLTEDISDMQSENR	55 / 9 AA	86
Phosphosite 11:	HDX	Q7Z353	S590	EIIDDEESDMISNSE	62 / 8 AA	77
Phosphosite 12:	LPIN1	Q14693	T403	GVYLDDLTDMDPEVA	83 / 6 AA	99
Phosphosite 13:	eEF1D	P29692	T209	VKPWDDETDMAQLEA	71 / 7 AA	31
Phosphosite 14:	LRRC67	Q7Z4L9	T162	NNNIDDITDLELLEN	83 / 6 AA	41
Phosphosite 15:	EEF1B2	P24534	T153	VKPWDDETDMAKLEE	71 / 7 AA	25
Phosphosite 16:	GCNT3	O95395	S355	NHPKYDISDMTSIAR	71 / 7 AA	51
Phosphosite 17:	SgK307	Q8IWB6	T1080	PESSEDITDEFLTPD	83 / 6 AA	168
Phosphosite 18:	LHX5	Q9H2C1	S346	PRFTDMISHPDTPSP	100 / 5 AA	44
Phosphosite 19:	RPGR	Q92834	T836	EILSDDLTDKAEDHE	71 / 7 AA	113
Phosphosite 20:	C4orf21	Q86YA3	S504	DDITDMISESKMDNE	100 / 5 AA	119