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:	T277
P-Site Sequence:	PENNYKTTPPVLDSD
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	T277	PENNYKTTPPVLDSD	100 / 9 AA	36
Phosphosite 1:	IGHG4	P01861	T274	PENNYKTTPPVLDSD	100 / 9 AA	36
Phosphosite 2:	IGHG2	P01859	T273	PENNYKTTPPMLDSD	88 / 9 AA	36
Phosphosite 3:	IGHG4	P01861	T273	QPENNYKTTPPVLDS	100 / 8 AA	36
Phosphosite 4:	IGHG1	P01857	T276	QPENNYKTTPPVLDS	100 / 8 AA	36
Phosphosite 5:	IGHG3	P01860	T324	PENNYNTTPPMLDSD	77 / 9 AA	41
Phosphosite 6:	RTN3	O95197	T687	KMTDFKTTPPVEVLH	75 / 8 AA	113
Phosphosite 7:	RTN3	O95197	T686	EKMTDFKTTPPVEVL	75 / 8 AA	113
Phosphosite 8:	Cdc27	P30260	T304	YLQNYTNTPPVIDVP	66 / 9 AA	92
Phosphosite 9:	KIAA0947	Q9Y2F5	T850	NPVEFKTTASVLPNQ	55 / 9 AA	248
Phosphosite 10:	C2orf81	A6NN90	T512	PGRWPRTTPPVLEAT	85 / 7 AA	85
Phosphosite 11:	WDR87	Q6ZQQ6	T1207	KVINEETTPPVMEQP	66 / 9 AA	333
Phosphosite 12:	SAPAP2	Q9P1A6	T612	SYTNYKKTPPPVPPR	85 / 7 AA	118
Phosphosite 13:	IGHG4	P01861	Y271	NGQPENNYKTTPPVL	100 / 6 AA	36
Phosphosite 14:	IGHG2	P01859	Y270	NGQPENNYKTTPPML	100 / 6 AA	36
Phosphosite 15:	IGHG1	P01857	Y274	NGQPENNYKTTPPVL	100 / 6 AA	36
Phosphosite 16:	NSUN7	Q8NE18	S469	KGQPYRLSPPVLPLC	62 / 8 AA	81
Phosphosite 17:	ZNF142	P52746	T786	WVGTFKTTPPAETAP	71 / 7 AA	188
Phosphosite 18:	ZNF142	P52746	T785	NWVGTFKTTPPAETA	71 / 7 AA	188
Phosphosite 19:	CCDC108	Q6ZU64	T1574	EPARKYKTLPPIKNQ	62 / 8 AA	217
Phosphosite 20:	PDHK3	Q15120	Y380	NKSAWRHYKTTPEAD	83 / 6 AA	47