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:	USP33
Human P-Site:	S439
P-Site Sequence:	VNPRLSASPPKSGNL
UniProt:	Q8TEY7
Intern. Prot. ID:	IPI00236901

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	USP33	Q8TEY7	S439	VNPRLSASPPKSGNL	100 / 9 AA	107
Phosphosite 1:	UTF1	Q5T230	S207	WTLRFSPSPPKSADA	77 / 9 AA	36
Phosphosite 2:	ERK4	P31152	S519	DDPERRLSASPPGRP	100 / 7 AA	63
Phosphosite 3:	ERK4	P31152	S521	PERRLSASPPGRPAP	100 / 7 AA	63
Phosphosite 4:	USP33	Q8TEY7	S437	EGVNPRLSASPPKSG	100 / 7 AA	107
Phosphosite 5:	DSCAML1	Q8TD84	S1872	GICRFTASPPKPQDA	75 / 8 AA	224
Phosphosite 6:	DSCAM	O60469	S1874	GICRFTASPPKPQDG	75 / 8 AA	222
Phosphosite 7:	SIPA1L3	O60292	S1440	SPFQLSASVPKSFFS	77 / 9 AA	195
Phosphosite 8:	UBR4	Q5T4S7	T1473	AWLTRMTTSPPKDSD	62 / 8 AA	574
Phosphosite 9:	UBR4	Q5T4S7	S1474	WLTRMTTSPPKDSDQ	62 / 8 AA	574
Phosphosite 10:	VENTX	O95231	S6	__MRLSSSPPRGPQQ	66 / 9 AA	28
Phosphosite 11:	VENTX	O95231	S5	___MRLSSSPPRGPQ	75 / 8 AA	28
Phosphosite 12:	CXorf49	A8MYA2	S345	PACGERLSAAPPEPA	85 / 7 AA	54
Phosphosite 13:	TBC1D19	Q8N5T2	S339	HFAFNSASPPKSYIR	100 / 7 AA	60
Phosphosite 14:	HERC1	Q15751	S2745	SDPSSRLSTSPPPPA	85 / 7 AA	532
Phosphosite 15:	Cbl-c	Q9ULV8	S40	VDPRLSVSPPSLRDL	85 / 7 AA	52
Phosphosite 16:	KIAA0947	Q9Y2F5	S516	CIERLSASPAQEKEA	75 / 8 AA	248
Phosphosite 17:	TBX15	Q96SF7	S531	TSPRLAASPEKLSAS	75 / 8 AA	66
Phosphosite 18:	RGS3	P49796	S674	KQQQLAASPPDSKMF	66 / 9 AA	132
Phosphosite 19:	piccolo	Q9Y6V0	S3546	STVQLAPSPPKSPKV	66 / 9 AA	567
Phosphosite 20:	HERC1	Q15751	T2746	DPSSRLSTSPPPPAI	85 / 7 AA	532