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:	FBXO21
Human P-Site:	S68
P-Site Sequence:	RLRELCQSSGKVWKE
UniProt:	O94952
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	FBXO21	O94952	S68	RLRELCQSSGKVWKE	100 / 9 AA	72
Phosphosite 1:	ATG4D	Q86TL0	S238	RLVELGQSSGKKAGD	87 / 8 AA	53
Phosphosite 2:	SCYL1	Q96KG9	S192	DPPELADSSGRVVRE	66 / 9 AA	90
Phosphosite 3:	ATXN1L	P0C7T5	S621	GSRELCDSEGKSQPA	75 / 8 AA	73
Phosphosite 4:	AGC1	P16112	S1954	HTPQLFESSGKVSTA	66 / 9 AA	250
Phosphosite 5:	MNK1	Q9BUB5	S221	PENILCESPEKVSPV	62 / 8 AA	51
Phosphosite 6:	SGOL2	Q562F6	S509	ETYSLSQSSGKFHQE	85 / 7 AA	145
Phosphosite 7:	FANCI	Q9NVI1	S1186	YYLQVCQSSGGIPKN	55 / 9 AA	149
Phosphosite 8:	TECTA	O75443	S946	CLFRLCQSGGNESEL	71 / 7 AA	240
Phosphosite 9:	NOP14	P78316	S738	ELQELCQSTLTEMES	83 / 6 AA	98
Phosphosite 10:	AGC1	P16112	S1955	TPQLFESSGKVSTAG	75 / 8 AA	250
Phosphosite 11:	ZC3H6	P61129	S1120	PQADVPRSSGKVQVP	55 / 9 AA	132
Phosphosite 12:	FNTB	P49356	S135	QFLELCQSPEGGFGG	83 / 6 AA	49
Phosphosite 13:	ATRX	P46100	S1245	HTGFCQSSGDEALSK	71 / 7 AA	283
Phosphosite 14:	ZBTB48	P10074	S113	EAVELCQSFKPKTSV	100 / 5 AA	77
Phosphosite 15:	HECTD3	Q5T447	S558	MSEELCPSSADTPVP	55 / 9 AA	97
Phosphosite 16:	ATRX	P46100	S1244	SHTGFCQSSGDEALS	71 / 7 AA	283
Phosphosite 17:	CDSN	Q15517	S440	SSSSSQSSGKIILQP	71 / 7 AA	52
Phosphosite 18:	SGOL1	Q5FBB7	S372	EVSLCESSGSGDDSD	83 / 6 AA	64
Phosphosite 19:	ZNF18	P17022	S316	LHASCQASGEVPSQA	71 / 7 AA	62
Phosphosite 20:	CARD10	Q9BWT7	S889	SGEELCPSSAPGAPK	71 / 7 AA	116