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:	T317
P-Site Sequence:	EALHNHYTQKSLSLS
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	T317	EALHNHYTQKSLSLS	100 / 9 AA	36
Phosphosite 1:	IGHG2	P01859	T316	EALHNHYTQKSLSLS	100 / 9 AA	36
Phosphosite 2:	IGHG1	P01857	T320	EALHNHYTQKSLSLS	100 / 9 AA	36
Phosphosite 3:	IGHG4	P01861	Y316	HEALHNHYTQKSLSL	100 / 8 AA	36
Phosphosite 4:	IGHG2	P01859	Y315	HEALHNHYTQKSLSL	100 / 8 AA	36
Phosphosite 5:	IGHG1	P01857	Y319	HEALHNHYTQKSLSL	100 / 8 AA	36
Phosphosite 6:	IGHG3	P01860	T367	EALHNRFTQKSLSLS	77 / 9 AA	41
Phosphosite 7:	FUT8	Q9BYC5	T443	AGLHNRYTENSLRGV	66 / 9 AA	67
Phosphosite 8:	IGHG4	P01861	S320	HNHYTQKSLSLSLGK	100 / 6 AA	36
Phosphosite 9:	IGHG2	P01859	S319	HNHYTQKSLSLSPGK	100 / 6 AA	36
Phosphosite 10:	IGHG1	P01857	S323	HNHYTQKSLSLSPGK	100 / 6 AA	36
Phosphosite 11:	RAD54B	Q9Y620	T259	KPRHDPYTPNSLVMP	55 / 9 AA	103
Phosphosite 12:	MLTK	Q9NYL2	T162	SRFHNHTTHMSLVGT	66 / 9 AA	91
Phosphosite 13:	FUT8	Q9BYC5	Y442	SAGLHNRYTENSLRG	62 / 8 AA	67
Phosphosite 14:	UHRF1BP1	Q6BDS2	T699	DLWSVHFTQISLDFE	71 / 7 AA	159
Phosphosite 15:	IGHG3	P01860	S370	HNRFTQKSLSLSPGK	83 / 6 AA	41
Phosphosite 16:	RYR2	Q92736	Y4056	AMESHKHYTQSETEF	83 / 6 AA	565
Phosphosite 17:	ALKBH8	Q96BT7	S167	EDTDNQNSQKSLKHR	55 / 9 AA	75
Phosphosite 18:	ZMYM4	Q5VZL5	Y1112	WEEELNHYALKSNAV	71 / 7 AA	173
Phosphosite 19:	TTC14	Q96N46	S432	LHKYMQKSLELREKQ	83 / 6 AA	88
Phosphosite 20:	KIAA1383	Q9P2G4	Y740	ENPKHSQYTSKSSDT	62 / 8 AA	100