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:	USP4
Human P-Site:	S72
P-Site Sequence:	FPGPIDNSGLFSDPE
UniProt:	Q13107
Intern. Prot. ID:	IPI00011836

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	USP4	Q13107	S72	FPGPIDNSGLFSDPE	100 / 9 AA	109
Phosphosite 1:	DSG1	Q02413	S630	IIECIDNSGVYTNEY	62 / 8 AA	114
Phosphosite 2:	MED27	Q6P2C8	S89	ENHPLHNSGLLSLDP	66 / 9 AA	35
Phosphosite 3:	TRBV12-3	P01733	S77	NNVPIDDSGMPEDRF	71 / 7 AA	15
Phosphosite 4:	FSTL5	Q8N475	S803	KNRQIQDSGLFGQYL	55 / 9 AA	96
Phosphosite 5:	ECE2	O60344	S372	NVIQVDQSGLFLPSR	62 / 8 AA	100
Phosphosite 6:	ZNF101	Q8IZC7	Y236	YCGKPIDYPSLFQIH	62 / 8 AA	50
Phosphosite 7:	LAMA4	Q16363	S1407	YECPIESSPLFLLHK	62 / 8 AA	203
Phosphosite 8:	AKAP11	Q9UKA4	S444	VKASREDSGLFSPIR	55 / 9 AA	211
Phosphosite 9:	CCDC89	Q8N998	S162	EKLRLENSSLFSQAL	55 / 9 AA	44
Phosphosite 10:	SIPA1L1	O43166	S829	TNTPIDPSGKFPFIS	66 / 9 AA	200
Phosphosite 11:	C6orf142	Q5VWP3	S365	SKYLEDNSDLFSEQD	85 / 7 AA	50
Phosphosite 12:	NFE2L3	Q9Y4A8	S409	NFDPIDVSQLFDEPD	75 / 8 AA	76
Phosphosite 13:	CCDC89	Q8N998	S163	KLRLENSSLFSQALK	62 / 8 AA	44
Phosphosite 14:	SYTL4	Q96C24	S221	RRDSLDKSGLFPEWK	71 / 7 AA	76
Phosphosite 15:	RNF180	Q86T96	S267	ETQPIDLSGLPLQSS	85 / 7 AA	68
Phosphosite 16:	Ataxin-3	P54252	S72	PSGNMDDSGFFSIQV	62 / 8 AA	42
Phosphosite 17:	STAU1	O95793	S54	AGRPIQNSALPSASI	66 / 9 AA	63
Phosphosite 18:	LRIT2	A6NDA9	S65	KQVRIENSPLFEMPQ	62 / 8 AA	60
Phosphosite 19:	DMXL1	Q9Y485	S1309	PSVDMEDSGLFEAAH	57 / 7 AA	338
Phosphosite 20:	NID2	Q14112	S1183	EPETIVNSGLISPEG	75 / 8 AA	151