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:	CCDC21
Human P-Site:	T214
P-Site Sequence:	FHNPRTSTSKELYRV
UniProt:	Q6P2H3
Intern. Prot. ID:	IPI00550977

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	CCDC21	Q6P2H3	T214	FHNPRTSTSKELYRV	100 / 9 AA	86
Phosphosite 1:	CCDC21	Q6P2H3	S213	RFHNPRTSTSKELYR	100 / 8 AA	86
Phosphosite 2:	PHKA2	P46019	T251	SMLPRASTSKEIDAG	77 / 9 AA	138
Phosphosite 3:	PHKA1	P46020	T251	SLLPRASTSKEVDAS	77 / 9 AA	137
Phosphosite 4:	PHKA1	P46020	S250	NSLLPRASTSKEVDA	87 / 8 AA	137
Phosphosite 5:	PHKA2	P46019	S250	FSMLPRASTSKEIDA	87 / 8 AA	138
Phosphosite 6:	CCDC21	Q6P2H3	T212	VRFHNPRTSTSKELY	100 / 7 AA	86
Phosphosite 7:	CC2D1B	Q5T0F9	S523	RLPEPRASSSKESPS	75 / 8 AA	94
Phosphosite 8:	CC2D1B	Q5T0F9	S524	LPEPRASSSKESPSP	75 / 8 AA	94
Phosphosite 9:	ULK4	Q96C45	T371	RPTPRTSTAVEVSPG	66 / 9 AA	65
Phosphosite 10:	SNCAIP	Q9Y6H5	S848	GRTLQRTSTSNESGD	75 / 8 AA	100
Phosphosite 11:	STX1A	Q16623	T161	EITGRTTTSEELEDM	75 / 8 AA	33
Phosphosite 12:	PML	P29590	T513	PEQPRPSTSKAVSPP	66 / 9 AA	98
Phosphosite 13:	STX1A	Q16623	S162	ITGRTTTSEELEDML	75 / 8 AA	33
Phosphosite 14:	SNCAIP	Q9Y6H5	T849	RTLQRTSTSNESGDQ	75 / 8 AA	100
Phosphosite 15:	ZC3H14	Q6PJT7	T389	PVAPRTRTSQEELLA	75 / 8 AA	83
Phosphosite 16:	SNCAIP	Q9Y6H5	S850	TLQRTSTSNESGDQL	85 / 7 AA	100
Phosphosite 17:	PAG	Q9NWQ8	S210	KAKSTSASKELPGPQ	85 / 7 AA	47
Phosphosite 18:	RNF103	O00237	S181	IMSVPQTSTSKGKVM	85 / 7 AA	79
Phosphosite 19:	C6orf223	Q8N319	S68	SGRKNSTSKDLVTLG	62 / 8 AA	26
Phosphosite 20:	BARHL2	Q9NY43	T139	ASAPRTSTSSFLIKD	77 / 9 AA	42