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:	T778
P-Site Sequence:	KHLISKDTEAHISEP
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	T778	KHLISKDTEAHISEP	100 / 9 AA	119
Phosphosite 1:	PDZK1	Q5T2W1	T30	FLRIEKDTEGHLVRV	66 / 9 AA	57
Phosphosite 2:	ZBTB25	P24278	T332	VSLISKDTEPVELNC	85 / 7 AA	49
Phosphosite 3:	Sh3rf2	Q8TEC5	S589	LTCISRGSEARIHSA	55 / 9 AA	79
Phosphosite 4:	C4orf21	Q86YA3	S775	LGKKHLISKDTEAHI	100 / 6 AA	119
Phosphosite 5:	SON	P18583	T1679	NNLVSKDTEEPLPVK	55 / 9 AA	264
Phosphosite 6:	ZGLP1	P0C6A0	T102	LDRDSKDTQTRISQK	62 / 8 AA	30
Phosphosite 7:	RP1	P56715	T860	KSLVSKVTDSHITLK	55 / 9 AA	241
Phosphosite 8:	MAP1A	P78559	T2142	SPTLWPETEAHVSPP	44 / 9 AA	306
Phosphosite 9:	OSBPL3	Q9H4L5	T119	SKCIDLDTEEHIYHL	66 / 9 AA	101
Phosphosite 10:	OSBPL6	Q9BZF3	T154	ARRIDLDTEEHIYHL	66 / 9 AA	106
Phosphosite 11:	CYP3A4	P08684	T284	DSQNSKETESHKALS	71 / 7 AA	57
Phosphosite 12:	TEX15	Q9BXT5	T1456	TCIVKKDTEDRITWK	55 / 9 AA	315
Phosphosite 13:	AHNAK2	Q8IVF2	T300	VSPTSTDTEAQLTVE	55 / 9 AA	617
Phosphosite 14:	SON	P18583	S1676	PSNNNLVSKDTEEPL	83 / 6 AA	264
Phosphosite 15:	SH2D7	A6NKC9	T113	RYIISGDTQSHSTLA	62 / 8 AA	50
Phosphosite 16:	GIMAP7	Q8NHV1	T209	SDDIYKDTEERLKQR	55 / 9 AA	35
Phosphosite 17:	CCDC136	Q96JN2	T477	SNEKDTETHAQLQEM	83 / 6 AA	134
Phosphosite 18:	LOXL2	Q9Y4K0	T268	FSMDCTGTEAHISSC	62 / 8 AA	87
Phosphosite 19:	RLN2	P04090	T81	PSFINKDTETINMMS	71 / 7 AA	21
Phosphosite 20:	FLI1	Q01543	S251	LGGAQTISKNTEQRP	83 / 6 AA	51