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:	T981
P-Site Sequence:	FNSYVRVTASDPLDT
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	T981	FNSYVRVTASDPLDT	100 / 9 AA	193
Phosphosite 1:	C4A	P0C0L4	T981	FNSYVRVTASDPLDT	100 / 9 AA	193
Phosphosite 2:	EREG	O14944	T160	KKEYERVTSGDPELP	66 / 9 AA	19
Phosphosite 3:	UBXN4	Q92575	T447	TQTSVRVTSSEPPNP	75 / 8 AA	57
Phosphosite 4:	UBXN4	Q92575	S448	QTSVRVTSSEPPNPA	75 / 8 AA	57
Phosphosite 5:	CELSR3	Q9NYQ7	T404	ERHYLRVTAQDHGSP	66 / 9 AA	358
Phosphosite 6:	CELSR2	Q9HCU4	T944	GLAVARVTATDPDEG	85 / 7 AA	317
Phosphosite 7:	GEMIN6	Q8WXD5	T23	IYKEVRVTASEKNEY	85 / 7 AA	19
Phosphosite 8:	FOX1	Q9NWB1	Y337	SDSYGRVYAADPYHH	66 / 9 AA	43
Phosphosite 9:	RbBP2	P29375	T910	WLDEVRLTLSDPQQV	75 / 8 AA	192
Phosphosite 10:	WFS1	O76024	T710	RFKYVRVTDIDNSAE	75 / 8 AA	100
Phosphosite 11:	PCYT1A	P49585	T63	SKPYVRVTMEEASRG	55 / 9 AA	42
Phosphosite 12:	GDE	P35573	S327	ENRRVTKSDPNQHLT	85 / 7 AA	175
Phosphosite 13:	CELSR2	Q9HCU4	T422	GAPVLRVTASDRDKG	75 / 8 AA	317
Phosphosite 14:	RANBP3L	Q86VV4	T374	NHKNVRITATDLEDY	62 / 8 AA	52
Phosphosite 15:	GDE	P35573	T325	TQENRRVTKSDPNQH	85 / 7 AA	175
Phosphosite 16:	ABCB6	Q9NP58	T690	NIRYGRVTAGNDEVE	62 / 8 AA	94
Phosphosite 17:	CELSR2	Q9HCU4	S424	PVLRVTASDRDKGSN	85 / 7 AA	317
Phosphosite 18:	XRCC1	P18887	S204	KTSPVTASDPAGPSY	85 / 7 AA	70
Phosphosite 19:	MRPL19	P49406	T121	GSILRVTTADPYASG	62 / 8 AA	34
Phosphosite 20:	Proline-rich protein 35	P0CG20	T316	LGPWPRVTPRDPGQE	55 / 9 AA