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:	S17
P-Site Sequence:	PLAPCSRSTSESTAA
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	S17	PLAPCSRSTSESTAA	100 / 9 AA	36
Phosphosite 1:	IGHG2	P01859	S17	PLAPCSRSTSESTAA	100 / 9 AA	36
Phosphosite 2:	IGHG4	P01861	T18	LAPCSRSTSESTAAL	100 / 8 AA	36
Phosphosite 3:	IGHG2	P01859	T18	LAPCSRSTSESTAAL	100 / 8 AA	36
Phosphosite 4:	IGHG3	P01860	S17	PLAPCSRSTSGGTAA	77 / 9 AA	41
Phosphosite 5:	IGHG4	P01861	S15	VFPLAPCSRSTSEST	100 / 7 AA	36
Phosphosite 6:	IGHG3	P01860	S15	VFPLAPCSRSTSGGT	100 / 7 AA	41
Phosphosite 7:	IGHG2	P01859	S15	VFPLAPCSRSTSEST	100 / 7 AA	36
Phosphosite 8:	PLCE1	Q9P212	S1247	YAVPCNRSGSESAPL	77 / 9 AA	259
Phosphosite 9:	LHB	P01229	S116	RCGPCRRSTSDCGGP	66 / 9 AA	15
Phosphosite 10:	Wnk3	Q9BYP7	S112	KYEQCSKSTSEISKD	75 / 8 AA	192
Phosphosite 11:	ZNF490	Q9ULM2	S136	EDCPCGKSTSQIPDL	62 / 8 AA	61
Phosphosite 12:	ACIN1	Q9UKV3	S633	RPKMGSRSTSESRSR	100 / 7 AA	152
Phosphosite 13:	IGHG4	P01861	S19	APCSRSTSESTAALG	100 / 7 AA	36
Phosphosite 14:	IGHG2	P01859	S19	APCSRSTSESTAALG	100 / 7 AA	36
Phosphosite 15:	ACIN1	Q9UKV3	T634	PKMGSRSTSESRSRS	100 / 7 AA	152
Phosphosite 16:	ACIN1	Q9UKV3	S635	KMGSRSTSESRSRSR	100 / 7 AA	152
Phosphosite 17:	MAPK8IP1	Q9UQF2	S240	TDSPCRRSTATQMAP	71 / 7 AA	78
Phosphosite 18:	ARHGEF6	Q15052	S122	SERPCGRSSSLSAAN	66 / 9 AA	87
Phosphosite 19:	SSPO	A2VEC9	S3895	SWSPCSRSCTDPARP	62 / 8 AA	548
Phosphosite 20:	LHB	P01229	T117	CGPCRRSTSDCGGPK	62 / 8 AA	15