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:	Ig heavy chain V-I region SIE
Human P-Site:	T28
P-Site Sequence:	TCKTSGGTFSGYTIS
UniProt:	P01761
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	Ig heavy chain V-I region SIE	P01761	T28	TCKTSGGTFSGYTIS	100 / 9 AA	14
Phosphosite 1:	Ig heavy chain V-I region SIE	P01761	S30	KTSGGTFSGYTISWV	100 / 7 AA	14
Phosphosite 2:	Ig heavy chain V-I region WOL	P01760	T28	SCKTSGGTFVDYKGL	77 / 9 AA	14
Phosphosite 3:	LTBP4	Q8N2S1	T1141	PPRTSAGTFPGSQPQ	75 / 8 AA	173
Phosphosite 4:	Ig heavy chain V-I region WOL	P01760	S25	VRVSCKTSGGTFVDY	100 / 6 AA	14
Phosphosite 5:	Ig heavy chain V-I region SIE	P01761	S25	VRVTCKTSGGTFSGY	100 / 6 AA	14
Phosphosite 6:	C4B	P0C0L5	T501	RAVGSGATFSHYYYM	75 / 8 AA	193
Phosphosite 7:	C4A	P0C0L4	T501	RAVGSGATFSHYYYM	75 / 8 AA	193
Phosphosite 8:	MKRN3	Q13064	S439	GPGGGSFSAYWHQLV	71 / 7 AA	56
Phosphosite 9:	Protein FAM75D1	Q6ZQQ2	T75	KRRRKGGTFKGFPDW	71 / 7 AA	176
Phosphosite 10:	PSD3	Q9NYI0	T378	RPGTSSGTFSPVRLD	85 / 7 AA	116
Phosphosite 11:	FREM1	Q5H8C1	T837	FPLNSGGTFSWGDLH	85 / 7 AA	244
Phosphosite 12:	E4BP4	Q16649	S253	NYMGNSFSGYSHSPP	71 / 7 AA	51
Phosphosite 13:	CTPS2	Q9NRF8	S51	NIDAGTFSPYEHGEV	71 / 7 AA	66
Phosphosite 14:	CTPS	P17812	S51	NIDAGTFSPYEHGEV	71 / 7 AA	67
Phosphosite 15:	MKRN3	Q13064	S437	PPGPGGGSFSAYWHQ	71 / 7 AA	56
Phosphosite 16:	CTPS2	Q9NRF8	T49	YINIDAGTFSPYEHG	71 / 7 AA	66
Phosphosite 17:	CTPS	P17812	T49	YINIDAGTFSPYEHG	71 / 7 AA	67
Phosphosite 18:	PSD3	Q9NYI0	S376	SERPGTSSGTFSPVR	85 / 7 AA	116
Phosphosite 19:	Ig heavy chain V-I region SIE	P01761	Y32	SGGTFSGYTISWVRQ	100 / 5 AA	14
Phosphosite 20:	CAPRIN2	Q6IMN6	Y1122	KYSTFSGYLLYQD__	100 / 5 AA	126