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:	S105
P-Site Sequence:	GKILVDISNNLKINQ
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	S105	GKILVDISNNLKINQ	100 / 9 AA	52
Phosphosite 1:	RPP38	P78345	S87	CSIAVDISENLKEKK	87 / 8 AA	32
Phosphosite 2:	USP16	Q9Y5T5	S573	SNGEVDISNGFKNLN	75 / 8 AA	94
Phosphosite 3:	RBM44	Q6ZP01	S727	AHDVDVSSNLKKTLS	75 / 8 AA	118
Phosphosite 4:	RBM44	Q6ZP01	S726	RAHDVDVSSNLKKTL	75 / 8 AA	118
Phosphosite 5:	ATAD2B	Q9ULI0	S1412	LDLLVDKSNNLAVDQ	87 / 8 AA	165
Phosphosite 6:	NOT1	A5YKK6	S1466	EPLLMSISTNLKNSF	66 / 9 AA	241
Phosphosite 7:	ATXN1	P54253	S605	FIQSAEISNDLKIDS	62 / 8 AA	87
Phosphosite 8:	ERAP2	Q6P179	S719	RRNISDISENLKRYL	85 / 7 AA	110
Phosphosite 9:	GPI	P06744	Y55	HGHILVDYSKNLVTE	75 / 8 AA	63
Phosphosite 10:	SLIT1	O75093	S792	YLQLVDLSNNKISSL	85 / 7 AA	168
Phosphosite 11:	RB1CC1	Q8TDY2	S834	QKEQCDFSNSLKCTA	62 / 8 AA	183
Phosphosite 12:	TOM1L1	O75674	T354	SLPSSDVTNNLKPSL	71 / 7 AA	53
Phosphosite 13:	EPYC	Q99645	S219	TLTFIDISNNRLGRK	71 / 7 AA	37
Phosphosite 14:	CAPZA3	Q96KX2	S206	VNLHIEISKDLKESL	50 / 8 AA	35
Phosphosite 15:	CRISPLD2	Q9H0B8	T351	KGGLVDITRNGKVPF	66 / 9 AA	56
Phosphosite 16:	HIF2A	Q99814	S703	SPAMVALSNKLKLKR	55 / 9 AA	96
Phosphosite 17:	STEAP3	Q658P3	S115	GKILVDVSNPTEQEH	83 / 6 AA	55
Phosphosite 18:	KIAA1409	Q9P2D8	T38	SGTDIANTLKYFSQT	71 / 7 AA	295
Phosphosite 19:	ARHGAP23	Q9P227	S766	GSCLVDISYSETKRR	71 / 7 AA	162
Phosphosite 20:	RB1CC1	Q8TDY2	S836	EQCDFSNSLKCTAVE	71 / 7 AA	183