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:	S173
P-Site Sequence:	ARPVPQGSCQSELHR
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	S173	ARPVPQGSCQSELHR	100 / 9 AA	28
Phosphosite 1:	ATE1	O95260	S110	KGEVPKGSCEDEPMD	66 / 9 AA	59
Phosphosite 2:	CILP	O75339	S1032	VKVIPQGSCRRASVN	55 / 9 AA	133
Phosphosite 3:	SSH2	Q76I76	S637	ESPSPQPSCQTEISD	75 / 8 AA	158
Phosphosite 4:	SOLH	O75808	S100	ILGEPKGSCQEEAGP	75 / 8 AA	117
Phosphosite 5:	KIAA0100	Q14667	S1977	KVVLRPQSSCQSGRQ	85 / 7 AA	254
Phosphosite 6:	C9orf144B	Q6ZU69	S988	SKAVPQGSAHSVSKI	75 / 8 AA	148
Phosphosite 7:	SELE	P16581	S592	AKKFVPASSCQSLES	75 / 8 AA	67
Phosphosite 8:	SELE	P16581	S593	KKFVPASSCQSLESD	75 / 8 AA	67
Phosphosite 9:	KIAA0100	Q14667	S1978	VVLRPQSSCQSGRQL	85 / 7 AA	254
Phosphosite 10:	TMC2	Q8TDI7	S573	PADVPRGSCWETAVG	83 / 6 AA	103
Phosphosite 11:	CSTF2	P33240	S498	GAVVPQGSRQVPVMQ	85 / 7 AA	61
Phosphosite 12:	PLEKHN1	Q494U1	S246	HSAPPQGSCGDELPW	75 / 8 AA	72
Phosphosite 13:	4432412L15Rik	A6NDB9	S325	GEDVPQGSPEGDGQG	55 / 9 AA	72
Phosphosite 14:	ZC3H12D	A2A288	S63	PRLVPRGSCGVPDSA	83 / 6 AA	58
Phosphosite 15:	SLC30A5	Q8TAD4	S554	AHGASQGSCHSSDHS	62 / 8 AA	84
Phosphosite 16:	TNXB	P22105	S1485	FWTVPQGSFDSFTVQ	75 / 8 AA	464
Phosphosite 17:	BF	P00751	S36	SLARPQGSCSLEGVE	100 / 5 AA	86
Phosphosite 18:	CTDP1	Q9Y5B0	S428	GAPEPQGSCAQGGRV	100 / 5 AA	104
Phosphosite 19:	SPT5	O00267	S901	AAPSPQGSYQPSPSP	83 / 6 AA	121
Phosphosite 20:	NAV1	Q8NEY1	S339	SVGGSCRSEGTPAWY	83 / 6 AA	202