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:	T308
P-Site Sequence:	ECAEMKSTENLYYQH
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	T308	ECAEMKSTENLYYQH	100 / 9 AA	119
Phosphosite 1:	VWA5B1	Q5TIE3	S1006	TLSSMKASENLFGSW	62 / 8 AA	134
Phosphosite 2:	C6orf60	Q8NB25	T642	HDLEIKWTENLRQEC	75 / 8 AA	133
Phosphosite 3:	ACAP2	Q15057	S738	MNEEMRESEGLYGQP	55 / 9 AA	88
Phosphosite 4:	THOC2	Q8NI27	S1375	DIAKEMKSKENVKGG	75 / 8 AA	183
Phosphosite 5:	ACSM2A	Q68CK6	S142	PGTIQMKSTDILYRL	62 / 8 AA	64
Phosphosite 6:	ACSM2A	Q08AH3	S142	PGTIQMKSTDILYRL	62 / 8 AA	64
Phosphosite 7:	PRKCA	P17252	T361	MLADRKGTEELYAIK	55 / 9 AA	77
Phosphosite 8:	OTOG	Q6ZRI0	T1128	KTINEMRTPENLELT	62 / 8 AA	315
Phosphosite 9:	UTRN	P46939	T1259	LEERMKSTEVLPEKT	85 / 7 AA	394
Phosphosite 10:	SPEF2	Q9C093	S1406	RYLNEMASTEKLTDV	75 / 8 AA	210
Phosphosite 11:	NOSTRIN	Q8IVI9	S81	WASEGMKSTADLHQK	71 / 7 AA	58
Phosphosite 12:	UTRN	P46939	S1258	TLEERMKSTEVLPEK	85 / 7 AA	394
Phosphosite 13:	PPWD1	Q96BP3	S424	TTIEMKASENPVLQN	71 / 7 AA	74
Phosphosite 14:	CTHRC1	Q96CG8	T188	GSPEMNSTINIHRTS	55 / 9 AA	26
Phosphosite 15:	FMNL	O95466	S872	DALLEMKSTDRKQTL	83 / 6 AA	122
Phosphosite 16:	FMNL	O95466	T873	ALLEMKSTDRKQTLL	83 / 6 AA	122
Phosphosite 17:	PSD3	Q9NYI0	S562	EAHSEMGSTEILEKE	75 / 8 AA	116
Phosphosite 18:	FKBP4	Q02790	T9	TAEEMKATESGAQSA	71 / 7 AA	52
Phosphosite 19:	SYDE2	Q5VT97	S959	QRLTVKKSTDNLFPE	71 / 7 AA	125
Phosphosite 20:	ITFG3	Q9H0X4	S21	LKNEERKSQENLGNP	75 / 8 AA	60