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:	Y180
P-Site Sequence:	EEQFNSTYRVVSVLT
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	Y180	EEQFNSTYRVVSVLT	100 / 9 AA	36
Phosphosite 1:	IGHG4	P01861	T179	REEQFNSTYRVVSVL	100 / 8 AA	36
Phosphosite 2:	IGHG1	P01857	Y183	EEQYNSTYRVVSVLT	88 / 9 AA	36
Phosphosite 3:	IGHG1	P01857	T182	REEQYNSTYRVVSVL	87 / 8 AA	36
Phosphosite 4:	IGHG2	P01859	T178	REEQFNSTFRVVSVL	87 / 8 AA	36
Phosphosite 5:	IGHG4	P01861	S178	PREEQFNSTYRVVSV	100 / 7 AA	36
Phosphosite 6:	MMP23A	O75900	Y95	WDHFNLTYRILSFPR	66 / 9 AA	44
Phosphosite 7:	IGHG1	P01857	S181	PREEQYNSTYRVVSV	85 / 7 AA	36
Phosphosite 8:	IGHG2	P01859	S177	PREEQFNSTFRVVSV	85 / 7 AA	36
Phosphosite 9:	IGHG3	P01860	T229	REEQYNSTFRVVSVL	75 / 8 AA	41
Phosphosite 10:	EPHX4	Q8IUS5	Y120	LREFKSEYRVVALDL	66 / 9 AA	42
Phosphosite 11:	NRD1	O43847	Y428	TPAFNKLYRVVPIRK	66 / 9 AA	132
Phosphosite 12:	p37 adaptor	Q14CS0	T276	LIQRFNSTHRILDVR	62 / 8 AA	37
Phosphosite 13:	C10orf78	Q86XK3	S127	TRFSFNSSYNVVKRL	75 / 8 AA	36
Phosphosite 14:	C10orf78	Q86XK3	Y128	RFSFNSSYNVVKRLK	75 / 8 AA	36
Phosphosite 15:	p37 adaptor	Q14CS0	S275	RLIQRFNSTHRILDV	71 / 7 AA	37
Phosphosite 16:	ENTPD5	O75356	T234	SFEMFNSTYKLYTHS	71 / 7 AA	48
Phosphosite 17:	KIAA1632	Q9HCE0	T2054	ILYAFHSTYRKLPWK	83 / 6 AA	292
Phosphosite 18:	LIN9	Q5TKA1	T251	AVDTLNATYRVTFDR	71 / 7 AA	62
Phosphosite 19:	ENTPD5	O75356	Y235	FEMFNSTYKLYTHSY	71 / 7 AA	48
Phosphosite 20:	SLC29A3	Q9BZD2	Y17	QHSSNSTYRTTSSSL	75 / 8 AA	52