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:	T600
P-Site Sequence:	TSVSDKPTVTFPVKE
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	T600	TSVSDKPTVTFPVKE	100 / 9 AA	119
Phosphosite 1:	C4orf21	Q86YA3	T602	VSDKPTVTFPVKETL	100 / 7 AA	119
Phosphosite 2:	DDB1	Q16531	T657	FACSDRPTVIYSSNH	55 / 9 AA	127
Phosphosite 3:	EVI2B	P34910	T359	SNQSDKPTMTIVSPL	75 / 8 AA	49
Phosphosite 4:	C8orf34	Q49A92	T171	SDELDKETVTFNSSL	85 / 7 AA	50
Phosphosite 5:	PHKA2	P46019	T561	WRMTGRPTLTFPISR	55 / 9 AA	138
Phosphosite 6:	PHKA1	P46020	T561	WRMTGQPTITFPISH	55 / 9 AA	137
Phosphosite 7:	PFKFB2	O60825	T450	NTHRDKPTNNFPKNQ	66 / 9 AA	58
Phosphosite 8:	KIF27	Q86VH2	T346	RNIRNKPTVNFSPES	62 / 8 AA	160
Phosphosite 9:	MYOCD	Q8IZQ8	T420	PNFGDITTVTFPVTP	66 / 9 AA	102
Phosphosite 10:	MUC4	Q99102	T1527	RVLLDNQTVTFQPDH	62 / 8 AA	232
Phosphosite 11:	BRE	Q9NXR7	T324	FFPRDQPTLTFQSVY	55 / 9 AA	44
Phosphosite 12:	PHKA2	P46019	T563	MTGRPTLTFPISRTM	71 / 7 AA	138
Phosphosite 13:	PHKA1	P46020	T563	MTGQPTITFPISHSM	71 / 7 AA	137
Phosphosite 14:	COL22A1	Q8NFW1	T87	VRYSDRPTTAFELGL	62 / 8 AA	161
Phosphosite 15:	FAK	Q05397	T143	QFTEDKPTLNFFYQQ	71 / 7 AA	120
Phosphosite 16:	PLAA	Q9Y263	T592	NSSSEKPTVQQLQIL	83 / 6 AA	87
Phosphosite 17:	SNX7	Q9UNH6	T133	NRIADHPTLTFNEDF	62 / 8 AA	45
Phosphosite 18:	DBT	P11182	S107	EVQSDKASVTITSRY	62 / 8 AA	53
Phosphosite 19:	NICN1	Q9BSH3	T146	GPKSPSVTFPKWLSH	83 / 6 AA	24
Phosphosite 20:	FAM185A	Q8N0U4	S218	DIHASDKSAVTIDKL	62 / 8 AA	42