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:	IGHG1
Human P-Site:	S323
P-Site Sequence:	HNHYTQKSLSLSPGK
UniProt:	P01857
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	IGHG1	P01857	S323	HNHYTQKSLSLSPGK	100 / 9 AA	36
Phosphosite 1:	IGHG4	P01861	S320	HNHYTQKSLSLSLGK	100 / 9 AA	36
Phosphosite 2:	IGHG2	P01859	S319	HNHYTQKSLSLSPGK	100 / 9 AA	36
Phosphosite 3:	IGHG3	P01860	S370	HNRFTQKSLSLSPGK	88 / 9 AA	41
Phosphosite 4:	USP29	Q9HBJ7	S534	EQVYIPKSLSLSSYC	77 / 9 AA	104
Phosphosite 5:	IGHG4	P01861	T317	EALHNHYTQKSLSLS	100 / 6 AA	36
Phosphosite 6:	IGHG2	P01859	T316	EALHNHYTQKSLSLS	100 / 6 AA	36
Phosphosite 7:	IGHG1	P01857	T320	EALHNHYTQKSLSLS	100 / 6 AA	36
Phosphosite 8:	SERPINB5	P36952	S97	KRLYVDKSLNLSTEF	66 / 9 AA	42
Phosphosite 9:	IGHG3	P01860	S372	RFTQKSLSLSPGK__	100 / 7 AA	41
Phosphosite 10:	IGHG2	P01859	S321	HYTQKSLSLSPGK__	100 / 7 AA	36
Phosphosite 11:	IGHG1	P01857	S325	HYTQKSLSLSPGK__	100 / 7 AA	36
Phosphosite 12:	TTC14	Q96N46	S432	LHKYMQKSLELREKQ	66 / 9 AA	88
Phosphosite 13:	IGHG4	P01861	S322	HYTQKSLSLSLGK__	100 / 7 AA	36
Phosphosite 14:	CIDEC	Q96AQ7	S7	_MEYAMKSLSLLYPK	75 / 8 AA	27
Phosphosite 15:	TMEM131	Q92545	S48	LSSYQQKSISLYRGN	75 / 8 AA	201
Phosphosite 16:	KIAA1543	Q9P1Y5	T1049	SKIYSQSTLSLSTVA	66 / 9 AA	135
Phosphosite 17:	IGHG3	P01860	T367	EALHNRFTQKSLSLS	83 / 6 AA	41
Phosphosite 18:	Cdc27	P30260	S143	ECYQKSLSLNPFLWS	85 / 7 AA	92
Phosphosite 19:	PPFIA2	O75334	S55	TLRETQESLSLAQQR	75 / 8 AA	143
Phosphosite 20:	Cdc27	P30260	S141	GSECYQKSLSLNPFL	85 / 7 AA	92