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:	S28
P-Site Sequence:	DVIQKGSSLGTEWQT
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	S28	DVIQKGSSLGTEWQT	100 / 9 AA	86
Phosphosite 1:	FREM3	P0C091	S35	ALQGRASSLGTEPDP	75 / 8 AA	238
Phosphosite 2:	PKD1	Q15139	S548	MPVIPKGSSVGTGTN	75 / 8 AA	102
Phosphosite 3:	CPA6	Q8N4T0	S121	KTLEKGSSLHTQRNR	66 / 9 AA	51
Phosphosite 4:	Tiam2	Q8IVF5	S242	LRSSKGSSLSSESSW	75 / 8 AA	193
Phosphosite 5:	PKD1	Q15139	S549	PVIPKGSSVGTGTNL	75 / 8 AA	102
Phosphosite 6:	SLC22A15	Q8IZD6	S525	QCVDKESSLGSESEE	66 / 9 AA	61
Phosphosite 7:	PPFIBP1	Q86W92	S466	SSLQKSSSLGNLKKE	75 / 8 AA	114
Phosphosite 8:	PPFIBP1	Q86W92	S465	TSSLQKSSSLGNLKK	75 / 8 AA	114
Phosphosite 9:	piccolo	Q9Y6V0	S4190	QQKFMGSSLGTGLGT	85 / 7 AA	567
Phosphosite 10:	FREM3	P0C091	T38	GRASSLGTEPDPALY	100 / 6 AA	238
Phosphosite 11:	FOXB1	Q99853	S209	NQLTTMGSSLGTGWP	85 / 7 AA	35
Phosphosite 12:	piccolo	Q9Y6V0	S4189	DQQKFMGSSLGTGLG	85 / 7 AA	567
Phosphosite 13:	PPFIBP1	Q86W92	S464	LTSSLQKSSSLGNLK	85 / 7 AA	114
Phosphosite 14:	IKKe	Q14164	T474	YLSSSLGTERFSSVA	100 / 6 AA	80
Phosphosite 15:	FOXB1	Q99853	S210	QLTTMGSSLGTGWPH	85 / 7 AA	35
Phosphosite 16:	BAT2L1	Q5JSZ5	T931	VPGSSLGTEIWESSS	100 / 6 AA	166
Phosphosite 17:	CCDC21	Q6P2H3	T31	QKGSSLGTEWQTPVI	100 / 6 AA	86
Phosphosite 18:	KIAA1671	Q9BY89	S1550	EQCQSGESLATESPD	66 / 9 AA	197
Phosphosite 19:	IKKe	Q14164	S471	SLLYLSSSLGTERFS	85 / 7 AA	80
Phosphosite 20:	LRCH4	O75427	S267	TEAGQRGSALGDLAP	71 / 7 AA	73