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:	IGHA1
Human P-Site:	T161
P-Site Sequence:	DASGVTFTWTPSSGK
UniProt:	P01876
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	IGHA1	P01876	T161	DASGVTFTWTPSSGK	100 / 9 AA	38
Phosphosite 1:	IGHA2	P01877	T148	DASGATFTWTPSSGK	88 / 9 AA	37
Phosphosite 2:	IGHA1	P01876	T159	LRDASGVTFTWTPSS	100 / 7 AA	38
Phosphosite 3:	IGHA2	P01877	T150	SGATFTWTPSSGKSA	100 / 7 AA	37
Phosphosite 4:	IGHA1	P01876	T163	SGVTFTWTPSSGKSA	100 / 7 AA	38
Phosphosite 5:	STAT3	P40763	T620	SSKEGGVTFTWVEKD	100 / 6 AA	88
Phosphosite 6:	ZNF692	Q9BU19	S121	CSAGHTFSWGPSLSP	66 / 9 AA	57
Phosphosite 7:	IGHA2	P01877	T146	LRDASGATFTWTPSS	85 / 7 AA	37
Phosphosite 8:	STAT4	Q14765	T610	HLGGITFTWVDHSES	83 / 6 AA	86
Phosphosite 9:	STAT4	Q14765	T608	ESHLGGITFTWVDHS	83 / 6 AA	86
Phosphosite 10:	MYBPC1	Q00872	T951	WGENVALTWTPPKDD	55 / 9 AA	128
Phosphosite 11:	SPEG	Q15772	T1302	TGRMVTLTWNPPRSL	62 / 8 AA	354
Phosphosite 12:	Putative rhophilin-2-like protein	A8MT19	T179	NYLKETFTHTPSYDM	85 / 7 AA	66
Phosphosite 13:	RHPN2	Q8IUC4	T264	NYLKDTFTHTPSYDM	85 / 7 AA	77
Phosphosite 14:	ZNF506	Q5JVG8	T351	DECGKTFTWYSSLSK	66 / 9 AA	52
Phosphosite 15:	ARNT	P27540	T638	PTQGATPTWTPTTRS	66 / 9 AA	87
Phosphosite 16:	TTN	Q8WZ42	T17663	TKNTVTLTWNPPKYD	62 / 8 AA	3816
Phosphosite 17:	RHPN2	Q8IUC4	T266	LKDTFTHTPSYDMSP	85 / 7 AA	77
Phosphosite 18:	ABCC1	P33527	T652	TVRNATFTWARSDPP	55 / 9 AA	172
Phosphosite 19:	Putative rhophilin-2-like protein	A8MT19	T181	LKETFTHTPSYDMSP	85 / 7 AA	66
Phosphosite 20:	C1orf86	Q6NZ36	S86	TVGPKTFSWTPFPPD	83 / 6 AA	20