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:	C4A
Human P-Site:	T957
P-Site Sequence:	PLDHRGRTLEIPGNS
UniProt:	P0C0L4
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	C4A	P0C0L4	T957	PLDHRGRTLEIPGNS	100 / 9 AA	193
Phosphosite 1:	C4B	P0C0L5	T957	PLDHRGRTLEIPGNS	100 / 9 AA	193
Phosphosite 2:	NMDAR2C	Q14957	T1194	PLGHRGRTLGLGTGY	75 / 8 AA	135
Phosphosite 3:	C11orf20	Q9NTU4	S101	LELHRGSSMEINLGE	62 / 8 AA	23
Phosphosite 4:	TOP3A	Q13472	T957	WTGDRGRTLESEARS	85 / 7 AA	112
Phosphosite 5:	C11orf20	Q9NTU4	S100	ELELHRGSSMEINLG	62 / 8 AA	23
Phosphosite 6:	LAX1	Q8IWV1	T15	LSTIRGRTLESSTLH	100 / 6 AA	44
Phosphosite 7:	A2LD1	Q9BVM4	T36	AFRARGRTLEPYPLV	100 / 6 AA	17
Phosphosite 8:	SLC16A6	O15403	T496	VVSHRGKTLQDIPED	71 / 7 AA	58
Phosphosite 9:	SEC63D1	A2PYH4	T424	KDENRGPTLEVVVSR	62 / 8 AA	163
Phosphosite 10:	SAC3D1	A6NKF1	T383	ESKLRGRTLEEVVMA	100 / 6 AA	43
Phosphosite 11:	NPHS2	Q9NP85	T171	KVDLRLQTLEIPFHE	75 / 8 AA	42
Phosphosite 12:	HIF1A	Q16665	T181	TLTSRGRTMNIKSAT	71 / 7 AA	93
Phosphosite 13:	FBXO31	Q5XUX0	T257	LREEWGRTLEDIFHE	83 / 6 AA	61
Phosphosite 14:	MSL3L2	P0C860	T98	EMEERTVTLEIPEVL	75 / 8 AA	51
Phosphosite 15:	FRG2C	A6NGY1	S162	GRSKRHRSRALEVQT	71 / 7 AA	31
Phosphosite 16:	MYOF	Q9NZM1	T1174	CFLHRSKTTEIIHST	62 / 8 AA	235
Phosphosite 17:	HMCN1	Q96RW7	T2630	RILPGGRTLQILNAQ	83 / 6 AA	613
Phosphosite 18:	MPV17	P39210	T51	QEHQRGRTLTMVSLG	62 / 8 AA	20
Phosphosite 19:	InsR	P06213	T419	LRLIRGETLEIGNYS	85 / 7 AA	156
Phosphosite 20:	RAB3GAP2	Q9H2M9	Y193	LQLKCRTYEIPRHPG	62 / 8 AA	156