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:	T97
P-Site Sequence:	APELNSRTFISSGRS
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	T97	APELNSRTFISSGRS	100 / 9 AA	119
Phosphosite 1:	C4orf21	Q86YA3	S95	KEAPELNSRTFISSG	100 / 7 AA	119
Phosphosite 2:	MAP2K3	P46734	T48	PRNLDSRTFITIGDR	75 / 8 AA	39
Phosphosite 3:	MAP2K3	P46734	S46	TPPRNLDSRTFITIG	85 / 7 AA	39
Phosphosite 4:	WBSCR23	Q9H6D5	T133	PALSDSQTFISSSFS	75 / 8 AA	18
Phosphosite 5:	NeuroD	Q13562	T194	CLQLNPRTFLPEQNQ	62 / 8 AA	40
Phosphosite 6:	NDST3	O95803	T837	PMDSDSRTFLSSYYR	75 / 8 AA	101
Phosphosite 7:	C4orf21	Q86YA3	S100	LNSRTFISSGRSLGC	100 / 6 AA	119
Phosphosite 8:	MYH15	Q9Y2K3	T741	YCILNPRTFPKSKFV	66 / 9 AA	225
Phosphosite 9:	PHF8	Q9UPP1	T131	VRELRSRTFDSSDEV	77 / 9 AA	118
Phosphosite 10:	AIFM3	Q96NN9	S445	QSGIGLDSRGFIPVN	71 / 7 AA	67
Phosphosite 11:	TIGD1	Q96MW7	T200	WKKMPSRTFIAREEK	62 / 8 AA	67
Phosphosite 12:	RAPGEF2	Q9Y4G8	T304	DFLLTYRTFLSSPME	66 / 9 AA	167
Phosphosite 13:	MASTL	Q96GX5	T308	SASSQSHTFISSVES	85 / 7 AA	97
Phosphosite 14:	PTPN22	Q9Y2R2	T590	SLSLNSPTNISSLLN	77 / 9 AA	92
Phosphosite 15:	CD44	P16070	T572	PHTKESRTFIPVTSA	71 / 7 AA	82
Phosphosite 16:	ADAMTS3	O15072	S774	GKGEEAKSRTFIDLG	83 / 6 AA	136
Phosphosite 17:	ADAMTS3	O15072	T776	GEEAKSRTFIDLGVE	83 / 6 AA	136
Phosphosite 18:	PTGER4	P35408	S379	AMSGHSRSFISRELK	71 / 7 AA	53
Phosphosite 19:	C3	P01024	T1583	VQVGQQRTFISPIKC	83 / 6 AA	187
Phosphosite 20:	RapGEF1	Q13905	S728	TTYRTFISPEELIKK	83 / 6 AA	121