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:	ARRDC4
Human P-Site:	S155
P-Site Sequence:	RPKVPDQSVKRELQV
UniProt:	Q8NCT1
Intern. Prot. ID:	IPI00339213

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	ARRDC4	Q8NCT1	S155	RPKVPDQSVKRELQV	100 / 9 AA	45
Phosphosite 1:	AKR1C1	Q04828	S73	RSKIADGSVKREDIF	66 / 9 AA	37
Phosphosite 2:	AKR1C2	P52895	S73	RSKIADGSVKREDIF	66 / 9 AA	37
Phosphosite 3:	AKR1C3	P42330	S73	RSKIADGSVKREDIF	66 / 9 AA	37
Phosphosite 4:	AKR1C4	P17516	S73	RSKIADGSVKREDIF	66 / 9 AA	37
Phosphosite 5:	PEG3	Q9GZU2	S671	ETFIPGQSLKRRQKT	62 / 8 AA	181
Phosphosite 6:	C2orf43	Q9H6V9	S39	TDLFHDQSVKRPKLL	100 / 6 AA	37
Phosphosite 7:	MLL2	O14686	S4155	PCALGAQSVKREANG	100 / 6 AA	564
Phosphosite 8:	HIVEP2	P31629	S1102	GEVGMDQSVKQEQLE	85 / 7 AA	269
Phosphosite 9:	C5	P01031	S140	PVYTPDQSVKVRVYS	100 / 6 AA	188
Phosphosite 10:	LRP12	Q9Y561	S633	DEVVPSQSTSREPER	66 / 9 AA	95
Phosphosite 11:	PCDHB18	Q96TA0	S145	PELVLDQSLDREKVS	66 / 9 AA	80
Phosphosite 12:	AKR1CL1	Q5T2L2	T76	WEKIADGTVKREEIF	55 / 9 AA	15
Phosphosite 13:	SMC1B	Q8NDV3	S250	EHVNRDLSVKRESLS	75 / 8 AA	144
Phosphosite 14:	FBXL17	Q9UF56	S507	NKLVTDQSVKAFAEH	85 / 7 AA	76
Phosphosite 15:	ZRSR2	Q15696	Y389	NPSPDHSYKRNGESE	62 / 8 AA	58
Phosphosite 16:	ZRSR2	Q15696	S388	RNPSPDHSYKRNGES	62 / 8 AA	58
Phosphosite 17:	USP44	Q9H0E7	S260	ISQKVSDSSVKRRPI	75 / 8 AA	81
Phosphosite 18:	USP44	Q9H0E7	S261	SQKVSDSSVKRRPIV	75 / 8 AA	81
Phosphosite 19:	CPAP	Q9HC77	T1251	EITFPDQTVKNLFPD	83 / 6 AA	153
Phosphosite 20:	CENPK	Q9BS16	S194	HFPLPDRSVKKKKKN	62 / 8 AA	32