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:	C9orf21
Human P-Site:	S140
P-Site Sequence:	RGEEIASSGQSPHIK
UniProt:	Q7RTV5
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	C9orf21	Q7RTV5	S140	RGEEIASSGQSPHIK	100 / 9 AA	25
Phosphosite 1:	C9orf21	Q7RTV5	S139	KRGEEIASSGQSPHI	100 / 8 AA	25
Phosphosite 2:	BCAN	Q96GW7	T287	RGAEIATTGQLYAAW	71 / 7 AA	99
Phosphosite 3:	UPF1	Q92900	S771	GQEEIASSGTSYLNR	87 / 8 AA	124
Phosphosite 4:	SACS	Q9NZJ4	S1798	ALFEMAKSGQSKKPS	75 / 8 AA	521
Phosphosite 5:	UPF1	Q92900	S770	QGQEEIASSGTSYLN	87 / 8 AA	124
Phosphosite 6:	NES	P48681	T456	GQRQEASTGQSPEDH	66 / 9 AA	177
Phosphosite 7:	KIAA0907	Q7Z7F0	S41	PGGEVTSSGGSPGGT	66 / 9 AA	65
Phosphosite 8:	HBP1	O60381	S120	ELANIATSPQSPLMQ	66 / 9 AA	58
Phosphosite 9:	BARHL2	Q9NY43	S221	GDREITSSRESPPVR	66 / 9 AA	42
Phosphosite 10:	KIAA0947	Q9Y2F5	S1499	PQEDVSSSGQSTNFD	62 / 8 AA	248
Phosphosite 11:	IGSF1	Q8N6C5	S820	DGSEIASSDRSWASP	75 / 8 AA	149
Phosphosite 12:	BIRC6	Q9NR09	S3589	LATLASSSQSPEAIK	75 / 8 AA	528
Phosphosite 13:	EHHADH	Q08426	S421	DVDEIASSTDRPHLV	66 / 9 AA	79
Phosphosite 14:	CREBBP	Q92793	S895	PSTPVSSSGQTPTPT	62 / 8 AA	265
Phosphosite 15:	IGSF1	Q8N6C5	S819	KDGSEIASSDRSWAS	75 / 8 AA	149
Phosphosite 16:	HRNR	Q86YZ3	S1356	YGRHGAGSGQSPSRG	85 / 7 AA	282
Phosphosite 17:	KIAA0947	Q9Y2F5	S1498	CPQEDVSSSGQSTNF	62 / 8 AA	248
Phosphosite 18:	C9orf21	Q7RTV5	S143	EIASSGQSPHIKSNL	100 / 6 AA	25
Phosphosite 19:	RSC1A1	Q92681	S20	PARSSGQSPDVGNPM	100 / 6 AA	67
Phosphosite 20:	C1orf92	Q8N4P6	S393	KKEEKLGSGQSPTQG	66 / 9 AA	62