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:	S475
P-Site Sequence:	LEKEYEQSESSLPEL
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	S475	LEKEYEQSESSLPEL	100 / 9 AA	119
Phosphosite 1:	NEB	P20929	S45	RTSDYEQSETSKPAL	75 / 8 AA	773
Phosphosite 2:	FLJ14732	Q9BR77	S187	AVGECEQSESSAFKA	87 / 8 AA	57
Phosphosite 3:	CEP290	O15078	T1385	IISEYERTISSLEEE	66 / 9 AA	290
Phosphosite 4:	ZNF518A	Q6AHZ1	S549	QTMDYEKSVSSLSAT	66 / 9 AA	167
Phosphosite 5:	C4orf21	Q86YA3	S477	KEYEQSESSLPELKH	100 / 7 AA	119
Phosphosite 6:	C4orf21	Q86YA3	Y472	CGTLEKEYEQSESSL	100 / 6 AA	119
Phosphosite 7:	CARD6	Q9BX69	S265	EEPSYEGSETSLSLE	75 / 8 AA	116
Phosphosite 8:	UNC13C	Q8NB66	S825	SLSGYEDSGSSLMGR	75 / 8 AA	251
Phosphosite 9:	NEB	P20929	Y42	TTTRTSDYEQSETSK	83 / 6 AA	773
Phosphosite 10:	FLG	P20930	S2748	QVSTHEQSESSHGWT	85 / 7 AA	435
Phosphosite 11:	SLC22A7	Q9Y694	S122	QGWEYDHSEFSSTIA	62 / 8 AA	60
Phosphosite 12:	DAAM1	Q9Y4D1	S173	KTMDYETSESRIHTS	55 / 9 AA	123
Phosphosite 13:	RRP1B	Q14684	S392	FCVEEEDSESSLQKR	77 / 9 AA	84
Phosphosite 14:	ZFP112	Q9UJU3	S392	EPHEYEESENVFNQS	55 / 9 AA	106
Phosphosite 15:	C4orf21	Q86YA3	S478	EYEQSESSLPELKHL	100 / 6 AA	119
Phosphosite 16:	EFEMP1	Q12805	Y163	RIQCAAGYEQSEHNV	100 / 5 AA	55
Phosphosite 17:	ATCAY	Q86WG3	S75	INISLDQSEGSLLSD	71 / 7 AA	42
Phosphosite 18:	SYNE1	Q8NF91	S3712	QSLEESESSLSSYSD	85 / 7 AA	1011
Phosphosite 19:	SYNE1	Q8NF91	S3710	EIQSLEESESSLSSY	85 / 7 AA	1011
Phosphosite 20:	NAT11	Q86UY6	Y85	KTNMQTMYEQSEWGW	100 / 5 AA	27