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:	IGFBP4
Human P-Site:	S150
P-Site Sequence:	FAKIRDRSTSGGKMK
UniProt:	P22692
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	IGFBP4	P22692	S150	FAKIRDRSTSGGKMK	100 / 9 AA	28
Phosphosite 1:	IGFBP4	P22692	T151	AKIRDRSTSGGKMKV	100 / 8 AA	28
Phosphosite 2:	IGFBP4	P22692	S152	KIRDRSTSGGKMKVN	100 / 7 AA	28
Phosphosite 3:	RGAG4	Q5HYW3	S112	INVIQDRSTPDGPAD	66 / 9 AA	65
Phosphosite 4:	CFL2	Q9Y281	S147	LDDIKDRSTLGEKLG	75 / 8 AA	19
Phosphosite 5:	Crk	P46108	S41	VFLVRDSSTSPGDYV	66 / 9 AA	34
Phosphosite 6:	BAT2	P48634	S759	GLVPRERSDSGGSSS	75 / 8 AA	229
Phosphosite 7:	PADI3	Q9ULW8	S400	TREPRDRSVSGLDSF	85 / 7 AA	75
Phosphosite 8:	KIAA0649	Q5T8A7	S941	GDPVPPRSTSGGVSA	66 / 9 AA	127
Phosphosite 9:	PDE3A	Q14432	T464	PVRRDRSTSIKLQEA	100 / 6 AA	125
Phosphosite 10:	GRIP1	Q9Y3R0	T871	YEDWDRSTASGFAGA	62 / 8 AA	122
Phosphosite 11:	ZNF282	Q9UDV7	T472	PPGGDRSTGGGGGDG	85 / 7 AA	74
Phosphosite 12:	ZNF282	Q9UDV7	S471	APPGGDRSTGGGGGD	85 / 7 AA	74
Phosphosite 13:	PDE3A	Q14432	S463	APVRRDRSTSIKLQE	100 / 6 AA	125
Phosphosite 14:	GRIP1	Q9Y3R0	S870	SYEDWDRSTASGFAG	62 / 8 AA	122
Phosphosite 15:	LAMA4	Q16363	S1717	NNGIRDFSTSVTPKQ	85 / 7 AA	203
Phosphosite 16:	USP42	Q9H9J4	S961	RSRRERSSSGEPARE	71 / 7 AA	146
Phosphosite 17:	KIAA0649	Q5T8A7	T942	DPVPPRSTSGGVSAK	100 / 6 AA	127
Phosphosite 18:	NOTCH3	Q9UM47	S1896	QILIRNRSTDLDARM	83 / 6 AA	244
Phosphosite 19:	DDX50	Q9BQ39	S727	RSGNRNRSRSGGHKR	75 / 8 AA	83
Phosphosite 20:	FXR1	P51114	S448	RPGGRGRSVSGGRGR	75 / 8 AA	70