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:	C9orf4
Human P-Site:	S301
P-Site Sequence:	DIDSPPASERVVSIY
UniProt:	Q9P0K9
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	C9orf4	Q9P0K9	S301	DIDSPPASERVVSIY	100 / 9 AA	37
Phosphosite 1:	BC060632	Q765P7	S242	PHKLPPASEQVIKDL	75 / 8 AA	80
Phosphosite 2:	PHLDB1	Q86UU1	S412	PFREPPGSERVLTTS	75 / 8 AA	151
Phosphosite 3:	PDK1	Q15118	S38	DSGSSPASERGVPGQ	77 / 9 AA	49
Phosphosite 4:	Putative insulin-like growth factor 2-associated protein	P09565	S13	VHASPPQSQRVPRQA	75 / 8 AA	12
Phosphosite 5:	TJP1	Q07157	Y633	VQTKFPAYERVVLRE	85 / 7 AA	195
Phosphosite 6:	SYNGAP1	Q96PV0	S1151	LNPTMPASERTVAWV	85 / 7 AA	148
Phosphosite 7:	KIAA0947	Q9Y2F5	S1706	SPSAASASERVVPSP	66 / 9 AA	248
Phosphosite 8:	JMJD1A	Q9Y4C1	S105	ERKSPEISERIVQWP	66 / 9 AA	147
Phosphosite 9:	FAM123B	Q5JTC6	T250	PEPSPPATEKMACKD	55 / 9 AA	124
Phosphosite 10:	SPTLC1	O15269	S443	EKCLPPPSIRVVVTV	75 / 8 AA	53
Phosphosite 11:	MIB1	Q86YT6	S132	YRITTPGSERVLLES	55 / 9 AA	110
Phosphosite 12:	SLC7A10	Q9NS82	S31	PGTVPGASERVALKK	85 / 7 AA	57
Phosphosite 13:	C1orf110	Q86UF4	S267	RHRVPPESERLLSIG	62 / 8 AA	34
Phosphosite 14:	C1orf113	A4FU49	S427	PPPQPPSSERCLGEM	62 / 8 AA	71
Phosphosite 15:	AIM1	Q9Y4K1	S626	PQVIPPASEKTLPIQ	62 / 8 AA	189
Phosphosite 16:	PPP6C	O00743	S291	LFRAVPDSERVIPPR	71 / 7 AA	35
Phosphosite 17:	TTN	Q8WZ42	S31346	LSETSPASEPVVCKD	66 / 9 AA	3816
Phosphosite 18:	BNC2	Q6ZN30	S609	EQHPPPPSEPVVPAV	66 / 9 AA	122
Phosphosite 19:	PHRF1	Q9P1Y6	S1375	KEDSPSASGRVQEAA	75 / 8 AA	179
Phosphosite 20:	NTSR1	P30989	S43	GNASGNASERVLAAP	66 / 9 AA	46