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:	C4B
Human P-Site:	S842
P-Site Sequence:	LHLRLPMSVRRFEQL
UniProt:	P0C0L5
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	C4B	P0C0L5	S842	LHLRLPMSVRRFEQL	100 / 9 AA	193
Phosphosite 1:	C4A	P0C0L4	S842	LHLRLPMSVRRFEQL	100 / 9 AA	193
Phosphosite 2:	ASPM	Q8IZT6	S240	GATCLPLSVRRSTTY	85 / 7 AA	410
Phosphosite 3:	RPA1	P27694	S609	YGRRLVMSIRRSALM	75 / 8 AA	68
Phosphosite 4:	Bright	Q99856	S492	MAAQLPMSIRINSQA	71 / 7 AA	63
Phosphosite 5:	MRPL9	Q9BYD2	S236	DTVRVPMSVVNFEKP	66 / 9 AA	30
Phosphosite 6:	MASTL	Q96GX5	S725	TPYRTPKSVRRGVAP	75 / 8 AA	97
Phosphosite 7:	CPNE7	Q9UBL6	S541	RASRLPMSIIIVGVG	83 / 6 AA	70
Phosphosite 8:	PHYHIPL	Q96FC7	T117	KAVPLPMTVRGHWFL	83 / 6 AA	42
Phosphosite 9:	PHYHIP	Q92561	T71	KAVPLPMTVRGHWFL	83 / 6 AA	38
Phosphosite 10:	LRPPRC	P42704	S93	ALMRLDLSVRRTGRI	75 / 8 AA	158
Phosphosite 11:	ANO5	Q75V66	S178	GPVRLPLSVKYPHPE	71 / 7 AA	107
Phosphosite 12:	C1orf174	Q8IYL3	S196	SNQPMPVSRFFGNVE	71 / 7 AA	26
Phosphosite 13:	LRRC66	Q68CR7	S355	KQRRLPRSVRSTRDV	85 / 7 AA	98
Phosphosite 14:	TDRKH	Q9Y2W6	S219	VPRKQPISVRREDMT	62 / 8 AA	67
Phosphosite 15:	MAST2	Q6P0Q8	T925	SDSSPPMTVRRRCSG	83 / 6 AA	196
Phosphosite 16:	CAMTA2	O94983	S795	SLGRLPLSVAHSRGH	83 / 6 AA	132
Phosphosite 17:	PTPN12	Q05209	S649	TRKVLPMSIARHNIA	71 / 7 AA	88
Phosphosite 18:	DEPDC2	Q70Z35	S1147	SGDELPLSVRISHDK	83 / 6 AA	183
Phosphosite 19:	Tyk2	P29597	S446	APPRLVMSIRDGIHG	71 / 7 AA	134
Phosphosite 20:	NFAT2	O95644	T881	RPQHLPSTVRRDESP	62 / 8 AA	101