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:	C9orf140
Human P-Site:	S276
P-Site Sequence:	RLGQSRASADFGAAG
UniProt:	Q86UD0
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	C9orf140	Q86UD0	S276	RLGQSRASADFGAAG	100 / 9 AA	43
Phosphosite 1:	MKX	Q8IYA7	S209	VRPESRASEDYVAPP	62 / 8 AA	39
Phosphosite 2:	USP53	Q70EK8	S528	VVPQSRASAQIISSS	75 / 8 AA	121
Phosphosite 3:	SLC7A6OS	Q96CW6	S268	GDEDSRGSADYNSLS	62 / 8 AA	35
Phosphosite 4:	TET2	Q6N021	S75	GSQNSRVSPDFTQES	71 / 7 AA	224
Phosphosite 5:	CPNE9	Q8IYJ1	S47	LYTQSRASQEWREFG	62 / 8 AA	56
Phosphosite 6:	NUDT22	Q9BRQ3	S220	ETSAGRASAEFYVQC	83 / 6 AA	33
Phosphosite 7:	DIDO1	Q9BTC0	S2067	EADGQWASADFREGK	83 / 6 AA	244
Phosphosite 8:	USP53	Q70EK8	S525	HDRVVPQSRASAQII	100 / 6 AA	121
Phosphosite 9:	CCDC74B	Q96LY2	S110	GNHLSRASAPLGARW	66 / 9 AA	42
Phosphosite 10:	CCDC74A	Q96AQ1	S110	GNHLSRASAPLGARW	66 / 9 AA	42
Phosphosite 11:	MGA	Q8IWI9	S2254	EKKGGRSSADFTVLD	83 / 6 AA	332
Phosphosite 12:	MGA	Q8IWI9	S2253	QEKKGGRSSADFTVL	83 / 6 AA	332
Phosphosite 13:	PDCD7	Q8N8D1	S67	LALQPRASAEASRGG	71 / 7 AA	55
Phosphosite 14:	SECTM1	Q8WVN6	S206	QQGLSRASAELWTPD	71 / 7 AA	27
Phosphosite 15:	C9orf140	Q86UD0	S273	RQRRLGQSRASADFG	100 / 6 AA	43
Phosphosite 16:	UBE1L	P41226	S779	NLELASASAEFGPEQ	83 / 6 AA	112
Phosphosite 17:	HSPA12B	Q96MM6	S680	TNRSVRASIDFLSN_	83 / 6 AA	76
Phosphosite 18:	AGFG1	P52594	S293	DNFPKSSSADFGTFN	83 / 6 AA	58
Phosphosite 19:	DMXL1	Q9Y485	S1071	PASNSRSSQDFVMHV	71 / 7 AA	338
Phosphosite 20:	CABC1	Q8NI60	S303	IFERVRQSADFMPLK	83 / 6 AA	72