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:	CCDC39
Human P-Site:	S421
P-Site Sequence:	MKEKAVLSEIEGTRS
UniProt:	Q9UFE4
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	CCDC39	Q9UFE4	S421	MKEKAVLSEIEGTRS	100 / 9 AA	110
Phosphosite 1:	STX3	Q13277	S192	QISKQALSEIEGRHK	77 / 9 AA	33
Phosphosite 2:	STX19	Q8N4C7	S210	NITKAQLSEIEQRHK	87 / 8 AA	34
Phosphosite 3:	SYNGR1	O43759	S107	DRKKAVLSDIGVSAF	85 / 7 AA	25
Phosphosite 4:	NKCC2	Q13621	T791	NWRKAPLTEIENYVG	66 / 9 AA	121
Phosphosite 5:	Kv3.4	Q03721	S551	GDANAVLSDEEGAGL	66 / 9 AA	64
Phosphosite 6:	PRTFDC1	Q9NRG1	S155	RTMKALLSNIEKYKP	75 / 8 AA	26
Phosphosite 7:	STX1A	Q16623	S193	SISKQALSEIETRHS	75 / 8 AA	33
Phosphosite 8:	HAP95	Q9ULX6	S135	CDSRAVLSERDLYRS	62 / 8 AA	72
Phosphosite 9:	KIAA1586	Q9HCI6	S264	VKHNRPLSDIEGARE	83 / 6 AA	90
Phosphosite 10:	USP4	Q13107	S675	EEGKEQLSETEGSGE	66 / 9 AA	109
Phosphosite 11:	ATF6	P18850	S343	ARLKAALSENEQLKK	75 / 8 AA	75
Phosphosite 12:	KIAA1239	Q9ULI1	S875	GQFDKVLSDIELAYN	83 / 6 AA	197
Phosphosite 13:	CMYA5	Q8N3K9	S1461	IAEHSVLSEVEAKEV	62 / 8 AA	449
Phosphosite 14:	SGEF	Q96DR7	S558	PSFKEVLSRIESHED	66 / 9 AA	97
Phosphosite 15:	C3orf59	Q8IYB1	S197	DSISIVLSEIQKKPQ	83 / 6 AA	56
Phosphosite 16:	TTN	Q8WZ42	S3862	PETQAVLSDTEKIFP	71 / 7 AA	3816
Phosphosite 17:	ZNF746	Q6NUN9	S146	ISKPEVLSQIEQGKE	83 / 6 AA	69
Phosphosite 18:	SLA2	Q9H6Q3	S73	GDWWTVLSEVSGREY	62 / 8 AA	29
Phosphosite 19:	TRPS1	Q9UHF7	S81	DLKSAVLSEKAGFNY	75 / 8 AA	142
Phosphosite 20:	DNA2	P51530	S143	CMRRAVLSETFRSSD	71 / 7 AA	120