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:	S181
P-Site Sequence:	PREEQYNSTYRVVSV
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	S181	PREEQYNSTYRVVSV	100 / 9 AA	36
Phosphosite 1:	IGHG4	P01861	S178	PREEQFNSTYRVVSV	88 / 9 AA	36
Phosphosite 2:	IGHG3	P01860	S228	PREEQYNSTFRVVSV	88 / 9 AA	41
Phosphosite 3:	IGHG2	P01859	S177	PREEQFNSTFRVVSV	77 / 9 AA	36
Phosphosite 4:	IGHG1	P01857	T182	REEQYNSTYRVVSVL	100 / 8 AA	36
Phosphosite 5:	IGHG4	P01861	T179	REEQFNSTYRVVSVL	87 / 8 AA	36
Phosphosite 6:	IGHG3	P01860	T229	REEQYNSTFRVVSVL	87 / 8 AA	41
Phosphosite 7:	IGHG2	P01859	T178	REEQFNSTFRVVSVL	75 / 8 AA	36
Phosphosite 8:	IGHG1	P01857	Y183	EEQYNSTYRVVSVLT	100 / 7 AA	36
Phosphosite 9:	IGHG4	P01861	Y180	EEQFNSTYRVVSVLT	85 / 7 AA	36
Phosphosite 10:	ABCA12	Q86UK0	Y651	LNIYNFTYKVFFPRK	71 / 7 AA	293
Phosphosite 11:	PABPC1L	Q4VXU2	Y516	SSAAHSTYRVQEPAV	83 / 6 AA	68
Phosphosite 12:	PABPC1L	Q4VXU2	S514	KCSSAAHSTYRVQEP	83 / 6 AA	68
Phosphosite 13:	CDC40	O60508	Y81	PAVKEVQYNPTYETM	83 / 6 AA	66
Phosphosite 14:	ERAP1	Q9NZ08	Y167	HGFYKSTYRTKEGEL	71 / 7 AA	107
Phosphosite 15:	KIAA0443	Q96D09	S560	FTFQYDPSYRSVREI	57 / 7 AA	94
Phosphosite 16:	GPRASP1	Q5JY77	S1118	FPFQYDPSYRSVQEI	57 / 7 AA	157
Phosphosite 17:	CDC40	O60508	T84	KEVQYNPTYETMFAP	83 / 6 AA	66
Phosphosite 18:	LIN9	Q5TKA1	T251	AVDTLNATYRVTFDR	83 / 6 AA	62
Phosphosite 19:	ERAP2	Q6P179	Y184	EGFYKSTYRTLGGET	71 / 7 AA	110
Phosphosite 20:	ERAP2	Q6P179	S182	GFEGFYKSTYRTLGG	71 / 7 AA	110