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:	IGHG4
Human P-Site:	Y229
P-Site Sequence:	QPREPQVYTLPPSQE
UniProt:	P01861
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	IGHG4	P01861	Y229	QPREPQVYTLPPSQE	100 / 9 AA	36
Phosphosite 1:	IGHG3	P01860	Y279	QPREPQVYTLPPSRE	100 / 9 AA	41
Phosphosite 2:	IGHG2	P01859	Y228	QPREPQVYTLPPSRE	100 / 9 AA	36
Phosphosite 3:	IGHG1	P01857	Y232	QPREPQVYTLPPSRD	100 / 9 AA	36
Phosphosite 4:	IGHG4	P01861	T230	PREPQVYTLPPSQEE	100 / 8 AA	36
Phosphosite 5:	IGHG3	P01860	T280	PREPQVYTLPPSREE	100 / 8 AA	41
Phosphosite 6:	IGHG2	P01859	T229	PREPQVYTLPPSREE	100 / 8 AA	36
Phosphosite 7:	IGHG1	P01857	T233	PREPQVYTLPPSRDE	100 / 8 AA	36
Phosphosite 8:	STXBP3	O00186	Y148	IPHESQVYTLDVPDA	85 / 7 AA	68
Phosphosite 9:	TMEPAI	Q969W9	Y110	GIPEPQVYAPPRPTD	75 / 8 AA	32
Phosphosite 10:	ABCA6	Q8N139	Y746	ENKEKLVYTLPLERT	75 / 8 AA	184
Phosphosite 11:	ITGB1	P05556	T130	LRSGEPQTFTLKFKR	71 / 7 AA	88
Phosphosite 12:	RNF183	Q96D59	Y116	FLRQPRVYTLDLGPQ	71 / 7 AA	22
Phosphosite 13:	ZFC3H1	O60293	S576	PPPPQVSSLPPLSQP	75 / 8 AA	226
Phosphosite 14:	ZFC3H1	O60293	S575	LPPPPQVSSLPPLSQ	75 / 8 AA	226
Phosphosite 15:	Ig mu heavy chain disease protein	P04220	Y270	ALHRPDVYLLPPARE	75 / 8 AA	43
Phosphosite 16:	IGHM	P01871	Y332	ALHRPDVYLLPPARE	75 / 8 AA	49
Phosphosite 17:	C15orf33	Q96M60	Y353	ILNNPRAYTLPISKE	62 / 8 AA	60
Phosphosite 18:	ODF3L2	Q3SX64	Y164	SAPAPNAYTMPPLWG	55 / 9 AA	31
Phosphosite 19:	TACC2	O95359	S1982	VIPEPEVSTQPPPEE	66 / 9 AA	309
Phosphosite 20:	ADAM28	Q9UKQ2	Y735	SQMKPHVYDLPVEGN	71 / 7 AA	87