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:	S322
P-Site Sequence:	HYTQKSLSLSLGK__
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	S322	HYTQKSLSLSLGK__	100 / 9 AA	36
Phosphosite 1:	IGHG3	P01860	S372	RFTQKSLSLSPGK__	88 / 9 AA	41
Phosphosite 2:	IGHG2	P01859	S321	HYTQKSLSLSPGK__	88 / 9 AA	36
Phosphosite 3:	IGHG1	P01857	S325	HYTQKSLSLSPGK__	88 / 9 AA	36
Phosphosite 4:	IGHG4	P01861	S320	HNHYTQKSLSLSLGK	100 / 7 AA	36
Phosphosite 5:	IGHG2	P01859	S319	HNHYTQKSLSLSPGK	100 / 7 AA	36
Phosphosite 6:	IGHG1	P01857	S323	HNHYTQKSLSLSPGK	100 / 7 AA	36
Phosphosite 7:	IGHG3	P01860	S370	HNRFTQKSLSLSPGK	100 / 7 AA	41
Phosphosite 8:	TOB2	Q14106	S234	LLKHKSLSLSMHSLN	75 / 8 AA	37
Phosphosite 9:	PDE4A	P27815	S13	VPSERSLSLSLPGPR	75 / 8 AA	98
Phosphosite 10:	IGHG4	P01861	S324	TQKSLSLSLGK____	100 / 7 AA	36
Phosphosite 11:	ORC2L	Q13416	S122	KTPQKSVSFSLKNDP	75 / 8 AA	66
Phosphosite 12:	Cdc27	P30260	S143	ECYQKSLSLNPFLWS	85 / 7 AA	92
Phosphosite 13:	Cdc27	P30260	S141	GSECYQKSLSLNPFL	85 / 7 AA	92
Phosphosite 14:	C15orf42	Q7Z2Z1	S1113	PKKSHQKSLSFSKTT	85 / 7 AA	211
Phosphosite 15:	C15orf42	Q7Z2Z1	S1115	KSHQKSLSFSKTTPR	85 / 7 AA	211
Phosphosite 16:	LRSAM1	Q6UWE0	S562	LLNQKPLSLKLQEEG	75 / 8 AA	84
Phosphosite 17:	TBC1D24	Q9ULP9	S322	GITVKQKSVSLSKRQ	85 / 7 AA	63
Phosphosite 18:	GPR125	Q8IWK6	S977	INHQDSMSLSLISTS	75 / 8 AA	146
Phosphosite 19:	PDRG1	Q9NUG6	S52	RALQKDLSLSEDVMV	85 / 7 AA	15
Phosphosite 20:	IGSF21	Q96ID5	S230	TKMQKSLSLLDAENR	100 / 6 AA	52