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:	S776
P-Site Sequence:	EDDIPVRSFFPENWL
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	S776	EDDIPVRSFFPENWL	100 / 9 AA	193
Phosphosite 1:	C4A	P0C0L4	S776	EDDIPVRSFFPENWL	100 / 9 AA	193
Phosphosite 2:	PZP	P20742	Y740	VPETVRSYFPETWIW	85 / 7 AA	164
Phosphosite 3:	PZP	P20742	S739	PVPETVRSYFPETWI	85 / 7 AA	164
Phosphosite 4:	NELF	Q6X4W1	T216	SDDIPIRTWFPKENL	55 / 9 AA	60
Phosphosite 5:	EOMES	O95936	S474	GGRYGVQSFFPEPFV	85 / 7 AA	73
Phosphosite 6:	C5	P01031	Y768	SKPEIRSYFPESWLW	71 / 7 AA	188
Phosphosite 7:	HAT1	O14929	T50	DLENDIRTFFPEYTH	71 / 7 AA	50
Phosphosite 8:	C5	P01031	S767	VSKPEIRSYFPESWL	71 / 7 AA	188
Phosphosite 9:	ARMC7	Q9H6L4	S131	HLSPPGRSFLPELTA	75 / 8 AA	22
Phosphosite 10:	TMEM135	Q86UB9	S196	KEEIPTHSFSPEAAY	66 / 9 AA	52
Phosphosite 11:	Tripartite motif-containing protein LOC642612	Q3C1W6	S439	SLNFPVRSFFYTGHR	85 / 7 AA	53
Phosphosite 12:	PLXNC1	O60486	T1025	YKHFALRTFFPESGG	55 / 9 AA	176
Phosphosite 13:	ALG1L	Q6GMV1	S177	DPCCPSRSFFSESQG	66 / 9 AA	21
Phosphosite 14:	Pyroglutamyl-peptidase 1-like protein	A6NFU8	S80	YRDADIRSFWPEGGV	71 / 7 AA	22
Phosphosite 15:	CXCR7	P25106	Y200	ETYCRSFYPEHSIKE	71 / 7 AA	41
Phosphosite 16:	ARHGAP17	Q68EM7	S850	RVSEPHRSIFPEMHS	75 / 8 AA	95
Phosphosite 17:	CILP	O75339	S607	ELEIPSRSFYRQNGE	55 / 9 AA	133
Phosphosite 18:	SNED1	Q8TER0	Y137	ATEDVRHYFPELLDF	71 / 7 AA	152
Phosphosite 19:	MSL1	Q68DK7	S553	ESEPEVTSFFPEPDD	85 / 7 AA	67
Phosphosite 20:	CPAMD8	Q8IZJ3	T745	RTEKRKRTFFPETWI	83 / 6 AA	207