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:	STEAP4
Human P-Site:	S338
P-Site Sequence:	LKKENPFSTSSAWLS
UniProt:	Q687X5
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	STEAP4	Q687X5	S338	LKKENPFSTSSAWLS	100 / 9 AA	52
Phosphosite 1:	STEAP4	Q687X5	T339	KKENPFSTSSAWLSD	100 / 8 AA	52
Phosphosite 2:	MEI1	Q5TIA1	T530	SAQENPFTAPSAKKE	66 / 9 AA	141
Phosphosite 3:	STEAP4	Q687X5	S340	KENPFSTSSAWLSDS	100 / 7 AA	52
Phosphosite 4:	XPO1	O14980	S387	LYRESPFSTSASPLL	85 / 7 AA	123
Phosphosite 5:	SOCS6	O14544	S105	SADEDTFSSSSAPIV	66 / 9 AA	60
Phosphosite 6:	TAF2	Q6P1X5	S1038	VGFQNPFSSSQDEEE	71 / 7 AA	137
Phosphosite 7:	DLC1	Q96QB1	S374	QDIENALSTSSSPSG	75 / 8 AA	171
Phosphosite 8:	PPP1R12B	O60237	S412	APAQNTFSASSARRF	66 / 9 AA	110
Phosphosite 9:	C13orf23	Q86XN7	S411	TSLPFSTSSSAASTS	100 / 6 AA	96
Phosphosite 10:	IMPG2	Q9BZV3	S1141	SERESPFSGSSRQPD	75 / 8 AA	139
Phosphosite 11:	XPO1	O14980	S384	AAELYRESPFSTSAS	83 / 6 AA	123
Phosphosite 12:	C13orf23	Q86XN7	S409	PFTSLPFSTSSSAAS	85 / 7 AA	96
Phosphosite 13:	C3orf23	Q8N3R3	S104	SDGQEPFSTSGFRAV	62 / 8 AA	58
Phosphosite 14:	ZBTB5	O15062	S471	SHVENPFSEPADSHF	100 / 5 AA	74
Phosphosite 15:	PLA2G4A	P47712	S676	DIFDDPESPFSTFNF	83 / 6 AA	85
Phosphosite 16:	ATF7IP	Q6VMQ6	S917	KIPISAFSTSSAAEQ	75 / 8 AA	136
Phosphosite 17:	HAP95	Q9ULX6	T550	LKGENPFTDSPEEEK	55 / 9 AA	72
Phosphosite 18:	RAB23	Q9ULC3	S232	KKNRNPFSSCSIP__	71 / 7 AA	27
Phosphosite 19:	HIF1A	Q16665	S551	TEAKNPFSTQDTDLD	100 / 5 AA	93
Phosphosite 20:	ATF7IP	Q6VMQ6	T918	IPISAFSTSSAAEQN	75 / 8 AA	136