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:	C8orf4
Human P-Site:	S21
P-Site Sequence:	TSLRVSPSIHGYHFD
UniProt:	Q9NR00
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	C8orf4	Q9NR00	S21	TSLRVSPSIHGYHFD	100 / 9 AA	12
Phosphosite 1:	HDAC4	P56524	S450	LVGADRVSPSIHKLR	100 / 7 AA	119
Phosphosite 2:	HDAC4	P56524	S452	GADRVSPSIHKLRQH	100 / 7 AA	119
Phosphosite 3:	C8orf4	Q9NR00	S19	MSTSLRVSPSIHGYH	100 / 7 AA	12
Phosphosite 4:	KRT33B	Q14525	S25	SRPCVPPSCHGYTLP	75 / 8 AA	46
Phosphosite 5:	KRT34	O76011	S67	SRPCVPPSCHGYTLP	75 / 8 AA	49
Phosphosite 6:	BSN	Q9UPA5	S2685	PDQLPRVSPAIHITA	85 / 7 AA	416
Phosphosite 7:	ZNF777	Q9ULD5	S519	AVKRLAPSVHGERHL	62 / 8 AA	85
Phosphosite 8:	FUBP3	Q96I24	S49	STPLVDPSVYGYGVQ	62 / 8 AA	62
Phosphosite 9:	GDE	P35573	S738	AVTRHSPSIHQSVVA	85 / 7 AA	175
Phosphosite 10:	MCM3	P25205	S306	LAKSLAPSIHGHDYV	62 / 8 AA	91
Phosphosite 11:	NAV1	Q8NEY1	S1485	TLGLSTESIHGYSIS	71 / 7 AA	202
Phosphosite 12:	SP3	Q02447	S317	ERTGERVSPDINETN	71 / 7 AA	82
Phosphosite 13:	FAM75-like protein FLJ43859	Q6ZUB0	S724	SELSVSESIHGPLNI	85 / 7 AA	102
Phosphosite 14:	Putative FAM75-like protein FLJ44082	P0C874	S724	SELSVSESIHGPLNI	85 / 7 AA	102
Phosphosite 15:	OR51I2	Q9H344	S54	QAVRVEPSLHEPMYY	62 / 8 AA	35
Phosphosite 16:	C8orf4	Q9NR00	Y25	VSPSIHGYHFDTASR	100 / 5 AA	12
Phosphosite 17:	NAV1	Q8NEY1	Y1489	STESIHGYSISHVKR	100 / 5 AA	202
Phosphosite 18:	MAP1B	P46821	S1573	TTDDVSPSLHAEVGS	71 / 7 AA	271
Phosphosite 19:	LTBP1	Q14766	Y603	KCPKKPSYHGYNQMM	83 / 6 AA	173
Phosphosite 20:	KRT19	P08727	S35	GVAFRAPSIHGGSGG	83 / 6 AA	44