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:	PTBP1
Human P-Site:	S21
P-Site Sequence:	RGSDELFSTCVTNGP
UniProt:	P26599
Intern. Prot. ID:	IPI00179964

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	PTBP1	P26599	S21	RGSDELFSTCVTNGP	100 / 9 AA	57
Phosphosite 1:	PTBP1	P26599	T22	GSDELFSTCVTNGPF	100 / 8 AA	57
Phosphosite 2:	KIF21B	O75037	Y64	DTWQEQIYSTCVSKL	50 / 8 AA	183
Phosphosite 3:	ATM	Q13315	S2190	ESIGELFSRSVTHRQ	66 / 9 AA	351
Phosphosite 4:	DOK2	O60496	S140	MEENELYSSAVTVGP	55 / 9 AA	46
Phosphosite 5:	KIF27	Q86VH2	Y61	NSTQDEVYNTCIKPL	50 / 8 AA	160
Phosphosite 6:	WDR16	Q8N1V2	T350	GTAELFATCAKKDIR	62 / 8 AA	68
Phosphosite 7:	C9orf142	Q9BUH6	S49	TDAAELWSTCFTPDS	75 / 8 AA	22
Phosphosite 8:	C9orf142	Q9BUH6	T50	DAAELWSTCFTPDSL	75 / 8 AA	22
Phosphosite 9:	Ccr4	P51679	S176	SLPGFLFSTCYTERN	85 / 7 AA	41
Phosphosite 10:	FBXO40	Q9UH90	S461	GLHVELHSECVTRRH	75 / 8 AA	80
Phosphosite 11:	GPR176	Q14439	T408	QAKEIFSTCLEGEQG	71 / 7 AA	57
Phosphosite 12:	NOD2	Q9HC29	S283	LGLEELFSTPGHLND	83 / 6 AA	115
Phosphosite 13:	OR8H2	Q8N162	S239	SGKQKAFSTCVSHLL	83 / 6 AA	35
Phosphosite 14:	OR8H3	Q8N146	S239	SGKQKAFSTCVSHLL	83 / 6 AA	35
Phosphosite 15:	OR8H2	Q8N162	T240	GKQKAFSTCVSHLLG	83 / 6 AA	35
Phosphosite 16:	OR8H3	Q8N146	T240	GKQKAFSTCVSHLLG	83 / 6 AA	35
Phosphosite 17:	PAPD4	Q6PIY7	T166	QILELFETCQQQISD	83 / 6 AA	56
Phosphosite 18:	OR10H4	Q8NGA5	T242	GRHKTFSTCVSHLTV	83 / 6 AA	36
Phosphosite 19:	OR10H4	Q8NGA5	S241	EGRHKTFSTCVSHLT	83 / 6 AA	36
Phosphosite 20:	OR10H3	O60404	T242	GRHKTFSTCVSHLTV	83 / 6 AA	36