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:	BTBD9
Human P-Site:	S522
P-Site Sequence:	RTKVSCKSWQSVTFE
UniProt:	Q96Q07
Intern. Prot. ID:	IPI00396190

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	BTBD9	Q96Q07	S522	RTKVSCKSWQSVTFE	100 / 9 AA	69
Phosphosite 1:	Ig kappa chain V-IV region JI	P06313	S45	RATINCKSSQSVLYS	66 / 9 AA	15
Phosphosite 2:	IGKV4-1	P06312	S45	RATINCKSSQSVLYS	66 / 9 AA	13
Phosphosite 3:	Ig kappa chain V-IV region Len	P01625	S25	RATINCKSSQSVLYS	66 / 9 AA	13
Phosphosite 4:	BTBD9	Q96Q07	S519	VADRTKVSCKSWQSV	100 / 6 AA	69
Phosphosite 5:	Ig kappa chain V-IV region B17	P06314	S45	RATINCKSSQSILYS	55 / 9 AA	15
Phosphosite 6:	BTBD9	Q96Q07	S525	VSCKSWQSVTFERQP	100 / 6 AA	69
Phosphosite 7:	Ig kappa chain V-IV region JI	P06313	S46	ATINCKSSQSVLYSS	75 / 8 AA	15
Phosphosite 8:	IGKV4-1	P06312	S46	ATINCKSSQSVLYSS	75 / 8 AA	13
Phosphosite 9:	Ig kappa chain V-IV region Len	P01625	S26	ATINCKSSQSVLYSS	75 / 8 AA	13
Phosphosite 10:	REG1B	P48304	S123	GSLVSYKSWDTGSPS	62 / 8 AA	19
Phosphosite 11:	CYTIP	O60759	S248	SSESSCKSWLSSMTM	85 / 7 AA	40
Phosphosite 12:	Ig kappa chain V-II region RPMI 6410	P06310	S45	PASISCRSSQSLVYS	55 / 9 AA	15
Phosphosite 13:	Ig kappa chain V-II region GM607	P06309	S29	PASISCRSSQSLLHS	55 / 9 AA	13
Phosphosite 14:	Ig kappa chain V-II region TEW	P01617	S25	PASISCRSSQSLLHS	55 / 9 AA	12
Phosphosite 15:	Ig kappa chain V-II region Cum	P01614	S26	PASISCRSSQSLLDS	55 / 9 AA	13
Phosphosite 16:	Ig kappa chain V-IV region B17	P06314	S46	ATINCKSSQSILYSS	62 / 8 AA	15
Phosphosite 17:	REG1B	P48304	Y121	SSGSLVSYKSWDTGS	71 / 7 AA	19
Phosphosite 18:	MKI67	P46013	S2466	ITEVSCKSPQPESFK	75 / 8 AA	359
Phosphosite 19:	MKI67	P46013	S1983	ITEVSCKSPQPDPVK	75 / 8 AA	359
Phosphosite 20:	REG1A	P05451	S123	GSLVSYKSWGIGAPS	83 / 6 AA	19