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:	S204
P-Site Sequence:	KEYKCKVSNKGLPSS
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	S204	KEYKCKVSNKGLPSS	100 / 9 AA	36
Phosphosite 1:	MYST3	Q92794	S64	DGTILKVSNKGLNSY	100 / 7 AA	225
Phosphosite 2:	SYNE2	Q8WXH0	T2771	QIRKCKVTHDGILAR	55 / 9 AA	796
Phosphosite 3:	EphB1	P54762	S761	SNLVCKVSDFGLSRY	75 / 8 AA	110
Phosphosite 4:	SIAT1 (Glycosyltransferase)	P15907	S125	SMNKYKVSYKGPGPG	75 / 8 AA	47
Phosphosite 5:	2600011E07Rik	Q8N7J2	S650	KVLVRRVSNRGLAGT	71 / 7 AA	70
Phosphosite 6:	AFF4	Q9UHB7	S761	KQASEKVSNKGKRKH	100 / 6 AA	127
Phosphosite 7:	Uncharacterized protein LOC113230	Q96FF7	S350	WPPRRKVSENGLEQE	55 / 9 AA	39
Phosphosite 8:	LHR	P22888	S312	ESTVRKVSNKTLYSS	85 / 7 AA	79
Phosphosite 9:	INA	Q16352	S440	SATTSKVSSTGLSLK	55 / 9 AA	55
Phosphosite 10:	INA	Q16352	S441	ATTSKVSSTGLSLKK	62 / 8 AA	55
Phosphosite 11:	PMS1	P54277	S529	KSLPCKVSNNNYPIP	83 / 6 AA	106
Phosphosite 12:	TTN	Q8WZ42	S5208	GTYTCKVSNVAGGVE	83 / 6 AA	3816
Phosphosite 13:	FOXO3	O43524	S555	RALSNSVSNMGLSES	83 / 6 AA	71
Phosphosite 14:	ZNF714	Q96N38	Y98	NVVECKVYKKGYNEL	62 / 8 AA	64
Phosphosite 15:	DSCAM	O60469	S769	GYYLCKVSNDVGADV	100 / 5 AA	222
Phosphosite 16:	GAL3ST4	Q96RP7	S344	KQGLSTVSNSGLTAE	62 / 8 AA	54
Phosphosite 17:	C5orf34	Q96MH7	S152	VHFLCKVSQKSDSSA	71 / 7 AA	73
Phosphosite 18:	TTN	Q8WZ42	S4553	GVYSCKASNKFGADI	83 / 6 AA	3816
Phosphosite 19:	BCLAF1	Q9NYF8	S443	LKYKSKVSLKGNRES	75 / 8 AA	106
Phosphosite 20:	EP400	Q96L91	S1329	HVLKCRLSNRQKALY	57 / 7 AA	344