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:	S116
P-Site Sequence:	EARKIVASFSKRFFS
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	S116	EARKIVASFSKRFFS	100 / 9 AA	72
Phosphosite 1:	FBXO21	O94952	S118	RKIVASFSKRFFSEH	100 / 7 AA	72
Phosphosite 2:	SAP30BP	Q9UHR5	S104	DPQELVASFSERVRN	66 / 9 AA	34
Phosphosite 3:	RBBP5	Q15291	S158	SDLNVVASFDRRGEY	55 / 9 AA	59
Phosphosite 4:	STRN	O43815	S633	DPSHMVASFSKGYTS	85 / 7 AA	86
Phosphosite 5:	GPR63	Q9BZJ6	T338	TTYSLVATFSKHFYY	62 / 8 AA	48
Phosphosite 6:	ZFHX4	Q86UP3	S2178	EHYKSDASFSKRSSR	77 / 9 AA	394
Phosphosite 7:	SAP30L	Q9HAJ7	S48	PAGNASFSKRVQKSI	100 / 6 AA	21
Phosphosite 8:	SAP30	O75446	S86	AAGNASFSKRIQKSI	100 / 6 AA	23
Phosphosite 9:	SAP30L	Q9HAJ7	S46	VRPAGNASFSKRVQK	100 / 6 AA	21
Phosphosite 10:	SAP30	O75446	S84	GRAAGNASFSKRIQK	100 / 6 AA	23
Phosphosite 11:	SAP30BP	Q9UHR5	S106	QELVASFSERVRNMS	85 / 7 AA	34
Phosphosite 12:	HDAC9	Q9UKV0	S253	KDGNVVTSFKKRMFE	55 / 9 AA	111
Phosphosite 13:	ZFHX4	Q86UP3	S2180	YKSDASFSKRSSRTR	100 / 6 AA	394
Phosphosite 14:	ICA1L	Q8NDH6	T136	RLKQEVATFSQRAVS	55 / 9 AA	54
Phosphosite 15:	ARSE	P51690	S281	LILQEVASFLKRNKH	85 / 7 AA	66
Phosphosite 16:	KHS1	Q9Y4K4	T168	VAAKITATIAKRKSF	55 / 9 AA	95
Phosphosite 17:	KLHL20	Q9Y2M5	S352	WRMVASMSKRRCGVG	85 / 7 AA	68
Phosphosite 18:	TCTEX1D4	Q5JR98	S60	SMLGLAASFSRRNSL	62 / 8 AA	23
Phosphosite 19:	FLN29	O14545	S528	YPENIVPSFSPGPSG	71 / 7 AA	65
Phosphosite 20:	FLJ32110	A4D1E1	S323	DSIGIHASFSKSNIH	85 / 7 AA	153