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:	S51
P-Site Sequence:	SRFSRCSSVADSGDT
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	S51	SRFSRCSSVADSGDT	100 / 9 AA	86
Phosphosite 1:	CCDC21	Q6P2H3	S50	RSRFSRCSSVADSGD	100 / 8 AA	86
Phosphosite 2:	TBC1D4	O60343	S318	EFRSRCSSVTGVQRR	75 / 8 AA	147
Phosphosite 3:	TBC1D4	O60343	S317	QEFRSRCSSVTGVQR	75 / 8 AA	147
Phosphosite 4:	JMJD2C	Q9H3R0	S516	KSPESCSSVAESNGV	85 / 7 AA	120
Phosphosite 5:	NPAT	Q14207	S709	PPESVCSSVGDSHPE	77 / 9 AA	154
Phosphosite 6:	RIP140	P48552	S956	LSPHRSNSVADSKKK	75 / 8 AA	127
Phosphosite 7:	GRIK3	Q13003	T861	EQRSFCSTVADEIRF	75 / 8 AA	104
Phosphosite 8:	SPATS2	Q86XZ4	S386	STRSRCSSVTSVSLS	85 / 7 AA	60
Phosphosite 9:	SPATS2	Q86XZ4	S385	YSTRSRCSSVTSVSL	85 / 7 AA	60
Phosphosite 10:	NRG2	O14511	S21	LEKGRCSSYSDSSSS	75 / 8 AA	92
Phosphosite 11:	NRG2	O14511	Y22	EKGRCSSYSDSSSSS	75 / 8 AA	92
Phosphosite 12:	AFF1	P51825	S188	ADGDHCASVTDSAPE	62 / 8 AA	131
Phosphosite 13:	TRIM7	Q9C029	S293	KSTLSRCSNVPGPKP	62 / 8 AA	57
Phosphosite 14:	Shc4	Q6S5L8	S422	PGNSKCSSVYENCLE	55 / 9 AA	69
Phosphosite 15:	C1orf59	Q5T8I9	S10	ENNLQCSSVVDGNFE	62 / 8 AA	45
Phosphosite 16:	SAPAP2	Q9P1A6	S714	ELLKSRCSSIGIQDS	71 / 7 AA	118
Phosphosite 17:	SAPAP2	Q9P1A6	S715	LLKSRCSSIGIQDSE	71 / 7 AA	118
Phosphosite 18:	Ig lambda chain V-II region NIG-58	P01713	S92	EADYYCSSYADSSVI	85 / 7 AA	11
Phosphosite 19:	JMJD2C	Q9H3R0	S515	PKSPESCSSVAESNG	83 / 6 AA	120
Phosphosite 20:	FNIP1	Q8TF40	S123	KYQGSRCSSDANMLG	75 / 8 AA	131