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:	S630
P-Site Sequence:	KVFEAMNSYDLGCGP
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	S630	KVFEAMNSYDLGCGP	100 / 9 AA	193
Phosphosite 1:	C4A	P0C0L4	S630	KVFEAMNSYDLGCGP	100 / 9 AA	193
Phosphosite 2:	ENPP5	Q9UJA9	S370	FSKEAMNSTDLYPLL	87 / 8 AA	55
Phosphosite 3:	DLX2	Q07687	S107	VPYSAKSSYDLGYTA	75 / 8 AA	34
Phosphosite 4:	CAPN12	Q6ZSI9	S642	DTSGTMNSYELRLAL	71 / 7 AA	81
Phosphosite 5:	IDH1	O75874	Y42	VELDLHSYDLGIENR	71 / 7 AA	47
Phosphosite 6:	IDH1	O75874	S41	YVELDLHSYDLGIEN	71 / 7 AA	47
Phosphosite 7:	C1orf173	Q5RHP9	S221	GNSQRMNSYQLPNIN	62 / 8 AA	168
Phosphosite 8:	CACNA1G	O43497	S1170	SLEREAKSSFDLPDT	62 / 8 AA	262
Phosphosite 9:	CACNA1G	O43497	S1171	LEREAKSSFDLPDTL	62 / 8 AA	262
Phosphosite 10:	FKBP8	Q14318	Y244	FVLAANSYDLAIKAI	75 / 8 AA	38
Phosphosite 11:	MYEF2	Q9P2K5	Y164	ALETMNKYDLSGRPL	62 / 8 AA	64
Phosphosite 12:	ZDHHC24	Q6UX98	Y237	WARGQHSYDLGPCHN	62 / 8 AA	30
Phosphosite 13:	HECW2	Q9P2P5	S300	AIGDQMLSYNLGRRL	55 / 9 AA	176
Phosphosite 14:	CLTCL1	P53675	S1127	LVKEAINSYIRGDDP	66 / 9 AA	187
Phosphosite 15:	C1orf173	Q5RHP9	Y222	NSQRMNSYQLPNINS	83 / 6 AA	168
Phosphosite 16:	NEB	P20929	S4625	QILHAKKSYDLQSQL	71 / 7 AA	773
Phosphosite 17:	DDX1	Q92499	Y96	NKWQMNPYDRGSAFA	71 / 7 AA	82
Phosphosite 18:	CAPN2	P17655	Y625	RSGTMNSYEMRKALE	57 / 7 AA	80
Phosphosite 19:	CAPN2	P17655	S624	DRSGTMNSYEMRKAL	57 / 7 AA	80
Phosphosite 20:	HECW2	Q9P2P5	Y301	IGDQMLSYNLGRRLP	71 / 7 AA	176