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:	CUL1
Human P-Site:	S231
P-Site Sequence:	TLTVYKESFESQFLA
UniProt:	Q13616
Intern. Prot. ID:	IPI00014310

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	CUL1	Q13616	S231	TLTVYKESFESQFLA	100 / 9 AA	90
Phosphosite 1:	CUL4A	Q13619	S230	DLQVYKDSFELKFLE	85 / 7 AA	88
Phosphosite 2:	CUL1	Q13616	Y228	KGPTLTVYKESFESQ	100 / 6 AA	90
Phosphosite 3:	PSMA2	P25787	S198	AILTLKESFEGQMTE	66 / 9 AA	26
Phosphosite 4:	NEK3	P51956	S68	NIVAFKESFEAEGHL	55 / 9 AA	58
Phosphosite 5:	CUL4A	Q13619	Y227	MLSDLQVYKDSFELK	83 / 6 AA	88
Phosphosite 6:	SYT14	Q8NB59	Y483	RGQPNPVYKETFVFQ	83 / 6 AA	62
Phosphosite 7:	SYT14L	Q58G82	Y117	RGRPNPVYKETFVFK	83 / 6 AA	21
Phosphosite 8:	SYT16	Q17RD7	Y573	RGQPNPVYKETFVFQ	83 / 6 AA	72
Phosphosite 9:	CLIC2	O15247	S109	LSPKYKESFDVGCNL	83 / 6 AA	28
Phosphosite 10:	NEK4	P51957	S71	NIVTYKESWEGGDGL	62 / 8 AA	95
Phosphosite 11:	TCF20	Q9UGU0	S712	LRYSYKDSFGSAVPR	71 / 7 AA	212
Phosphosite 12:	MAST1	Q9Y2H9	Y182	IVMMNHVYKERFPKA	83 / 6 AA	171
Phosphosite 13:	MAST2	Q6P0Q8	Y320	IIMMNHVYKERFPKA	83 / 6 AA	196
Phosphosite 14:	EphB3	P54753	S945	KMGRYKESFVSAGFA	85 / 7 AA	110
Phosphosite 15:	MAST4	O15021	Y379	IIMMNHVYKERFPKA	83 / 6 AA	284
Phosphosite 16:	PRAMEF18	Q5VWM3	S248	DGCGYLPSFESQGQL	75 / 8 AA	55
Phosphosite 17:	PRAMEF19	Q5SWL8	S179	DGCGYLPSFESQGQL	75 / 8 AA	47
Phosphosite 18:	MPDZ	O75970	S1004	LQNVSKESFERTINI	85 / 7 AA	219
Phosphosite 19:	NEK1	Q96PY6	S69	NIVQYRESFEENGSL	83 / 6 AA	143
Phosphosite 20:	NCM	Q9HCG8	S524	LKKEYMESFEGIFKE	71 / 7 AA	106