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:	IGHG3
Human P-Site:	Y81
P-Site Sequence:	SSLGTQTYTCNVNHK
UniProt:	P01860
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	IGHG3	P01860	Y81	SSLGTQTYTCNVNHK	100 / 9 AA	41
Phosphosite 1:	IGHG2	P01859	Y81	SNFGTQTYTCNVDHK	100 / 9 AA	36
Phosphosite 2:	IGHG1	P01857	Y81	SSLGTQTYICNVNHK	88 / 9 AA	36
Phosphosite 3:	IGHG4	P01861	Y81	SSLGTKTYTCNVDHK	88 / 9 AA	36
Phosphosite 4:	IGHG4	P01861	T80	SSSLGTKTYTCNVDH	87 / 8 AA	36
Phosphosite 5:	TAS1R2	Q8TE23	T358	SRTSQSYTCNQECDN	71 / 7 AA	95
Phosphosite 6:	OBSCN	Q5VST9	Y2985	EKADSDTYTCDIGQA	44 / 9 AA	868
Phosphosite 7:	TAS1R2	Q8TE23	Y357	LSRTSQSYTCNQECD	71 / 7 AA	95
Phosphosite 8:	OBSCN	Q5VST9	T2986	KADSDTYTCDIGQAQ	50 / 8 AA	868
Phosphosite 9:	RDH10	Q8IZV5	Y115	CNLQVFTYTCDVGKR	83 / 6 AA	38
Phosphosite 10:	IGHG3	P01860	T78	VPSSSLGTQTYTCNV	100 / 6 AA	41
Phosphosite 11:	IGHG2	P01859	T78	VPSSNFGTQTYTCNV	100 / 6 AA	36
Phosphosite 12:	C4BPA	P04003	T95	SHSTQTLTCNSDGEW	85 / 7 AA	67
Phosphosite 13:	ZNF642	Q49AA0	Y271	SYIRTKTYECNICEK	62 / 8 AA	61
Phosphosite 14:	WDR65	Q96MR6	S654	ALSPGTQSHTCLLRA	71 / 7 AA	78
Phosphosite 15:	TTN	Q8WZ42	T5204	TSDSGTYTCKVSNVA	83 / 6 AA	3816
Phosphosite 16:	ZNF320	A2RRD8	Y385	VHTGERPYTCNECGK	62 / 8 AA	59
Phosphosite 17:	IGHE	P01854	Y191	HWLSDRTYTCQVTYQ	71 / 7 AA	47
Phosphosite 18:	GNPTAB	Q3T906	Y11	KLLQRQTYTCLSHRY	100 / 5 AA	144
Phosphosite 19:	GNPTAB	Q3T906	T10	FKLLQRQTYTCLSHR	100 / 5 AA	144
Phosphosite 20:	IGHE	P01854	T192	WLSDRTYTCQVTYQG	71 / 7 AA	47