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:	S20
P-Site Sequence:	SHVTSPSSDVIQKGS
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	S20	SHVTSPSSDVIQKGS	100 / 9 AA	86
Phosphosite 1:	C10orf76	Q5T2E6	S347	PLGTTPPSSDVISSV	87 / 8 AA	79
Phosphosite 2:	C10orf76	Q5T2E6	S348	LGTTPPSSDVISSVE	87 / 8 AA	79
Phosphosite 3:	GGCX	P38435	S14	SARTSPSSDKVQKDK	77 / 9 AA	88
Phosphosite 4:	ZNF655	Q8N720	S288	DKSCSPSSGIIQHKK	75 / 8 AA	57
Phosphosite 5:	SDK1	Q7Z5N4	S1163	PSPYSPSSRVIQTLQ	87 / 8 AA	242
Phosphosite 6:	HZF2	Q14586	S617	GKAFSYSSDVIQHRR	100 / 6 AA	87
Phosphosite 7:	ANK3	Q12955	S3063	PGKESPSSDVFDHSP	75 / 8 AA	480
Phosphosite 8:	ANK3	Q12955	S3062	SPGKESPSSDVFDHS	85 / 7 AA	480
Phosphosite 9:	ELAVL1	Q15717	S100	VSYARPSSEVIKDAN	55 / 9 AA	36
Phosphosite 10:	NHS	Q6T4R5	S1468	SSITSPSSNVTTPNS	75 / 8 AA	177
Phosphosite 11:	NHS	Q6T4R5	S1467	ASSITSPSSNVTTPN	85 / 7 AA	177
Phosphosite 12:	ELAVL1	Q15717	S99	KVSYARPSSEVIKDA	62 / 8 AA	36
Phosphosite 13:	GPR15	P49685	S20	YYATSPNSDIRETHS	55 / 9 AA	41
Phosphosite 14:	DKFZP434B061	Q9UF83	S559	QCPASTPSSEVIS__	62 / 8 AA	59
Phosphosite 15:	DNAH6	Q9C0G6	S476	DKLKRTPSADVIQKW	71 / 7 AA	476
Phosphosite 16:	C15orf58	Q6ZNW5	S303	PPGKTSPSSALIGVR	75 / 8 AA	42
Phosphosite 17:	KIAA1109	Q2LD37	S1962	PCDRTSPSSDLNGNS	85 / 7 AA	555
Phosphosite 18:	KIAA1109	Q2LD37	S1963	CDRTSPSSDLNGNSV	85 / 7 AA	555
Phosphosite 19:	HISPPD1	O43314	S1155	ASIASPSSDVPRKTA	85 / 7 AA	140
Phosphosite 20:	DKFZP434B061	Q9UF83	S560	CPASTPSSEVIS___	62 / 8 AA	59