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:	C21orf87
Human P-Site:	S69
P-Site Sequence:	PPPQERGSGRRSPLR
UniProt:	P59051
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	C21orf87	P59051	S69	PPPQERGSGRRSPLR	100 / 9 AA	16
Phosphosite 1:	SART1	O43290	S65	ERGGERGSGRRGAEA	87 / 8 AA	90
Phosphosite 2:	MCM5	P33992	S600	ARQHERDSDRRSSIP	66 / 9 AA	82
Phosphosite 3:	MAST1	Q9Y2H9	T1420	SPVQEHETGRRSSSG	66 / 9 AA	171
Phosphosite 4:	WDR40A	Q5T6F0	S341	VCSRERGSGIRSVSF	77 / 9 AA	51
Phosphosite 5:	UBR5	O95071	S1637	HSNQDNASGRRSVVT	66 / 9 AA	309
Phosphosite 6:	C6orf176	A8K010	S32	ERSQERGSTPRKERS	75 / 8 AA	21
Phosphosite 7:	MNX1	P50219	S344	PAPGDKGSGRRLRDL	71 / 7 AA	41
Phosphosite 8:	DDX5	P17844	S480	QLVEDRGSGRSRGRG	71 / 7 AA	69
Phosphosite 9:	AIM1	Q9Y4K1	S6	__MEKRSSGRRSGRR	66 / 9 AA	189
Phosphosite 10:	GPATCH8	Q9UKJ3	S1020	ESPEERHSGRRDFIR	75 / 8 AA	164
Phosphosite 11:	CATSPERB	Q9H7T0	T368	LVDQERGTGVYLFYN	83 / 6 AA	127
Phosphosite 12:	PBRM1	Q86U86	S538	LEAREPGSGRRLCDL	85 / 7 AA	193
Phosphosite 13:	LYL1	P12980	S239	DDGARRGSGRRAEAA	85 / 7 AA	30
Phosphosite 14:	DDX3Y	O15523	S89	GYFSERGSGSRGRFD	85 / 7 AA	73
Phosphosite 15:	KCND1	Q9NSA2	S213	ETIPCRGSARRSSRE	85 / 7 AA	71
Phosphosite 16:	NAP5	O14513	S1409	AVLGEPGSDRRSCPP	75 / 8 AA	209
Phosphosite 17:	SMC3	Q9UQE7	S1081	SGESERGSGSQSSVP	75 / 8 AA	142
Phosphosite 18:	PSMB8	P28062	S24	SALPVAGSGRRSDPG	100 / 6 AA	30
Phosphosite 19:	GRRP1	Q8TAY7	S74	PRPVRRGSGRRLPRP	100 / 6 AA	29
Phosphosite 20:	USP31	Q70CQ4	S1084	ADSSSRGSGRHSSPA	85 / 7 AA	147