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:	S660
P-Site Sequence:	LRQAQPGSPPSPDTA
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	S660	LRQAQPGSPPSPDTA	100 / 9 AA	86
Phosphosite 1:	MYH14	Q7Z406	S1980	AEEAQPGSGPSPEPE	88 / 9 AA	228
Phosphosite 2:	ACD	Q96AP0	S539	LMDAQPGSEPTPM__	77 / 9 AA	58
Phosphosite 3:	SLC25A45	Q8N413	S139	EPRAQPGSPPPRYQG	100 / 7 AA	32
Phosphosite 4:	TReP-132	Q96PN7	S491	DGRAQPGSPESSGQP	87 / 8 AA	132
Phosphosite 5:	HSPG2	P98160	T563	TMPAQPGTPPLSSTQ	85 / 7 AA	469
Phosphosite 6:	CO3A1	P02461	S131	GIPGQPGSPGSPGPP	77 / 9 AA	139
Phosphosite 7:	CCDC86	Q9H6F5	S47	EETREPGSPPSVQRA	85 / 7 AA	40
Phosphosite 8:	ZC3H3	Q8IXZ2	S593	GGKAQPGSPWWRSKG	100 / 6 AA	102
Phosphosite 9:	PHACTR3	Q96KR7	S156	SEDAQPGSPLATGTD	100 / 6 AA	63
Phosphosite 10:	APEH	P13798	S493	AILLQPGSPPDKTQV	100 / 6 AA	81
Phosphosite 11:	FARP1	Q9Y4F1	S424	VSAGEPGSHPSPAPR	66 / 9 AA	119
Phosphosite 12:	EFS	O43281	S86	ASPAQPGSPYPAPDH	100 / 6 AA	59
Phosphosite 13:	TAGAP	Q8N103	S592	ADWERPGSPPSYEEA	75 / 8 AA	81
Phosphosite 14:	FAM189A1	O60320	S353	EGTATPGSSPSPDGP	77 / 9 AA	57
Phosphosite 15:	DDX51	Q8N8A6	S83	VNDAEPGSPEAPQGK	66 / 9 AA	72
Phosphosite 16:	SOX18	P35713	S50	AAPAAPASPPSPQRS	77 / 9 AA	41
Phosphosite 17:	USP53	Q70EK8	S492	LSHFQSGSPPAPNGF	75 / 8 AA	121
Phosphosite 18:	ZNF444	Q8N0Y2	S232	HRDTHPGSPGSPGPA	66 / 9 AA	35
Phosphosite 19:	ATN1	P54259	S656	PPGYKPGSPPSFRTG	85 / 7 AA	125
Phosphosite 20:	RICH2	Q17R89	S629	PGAQPGASPSPSQPP	75 / 8 AA	89