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:	S741
P-Site Sequence:	SCCQFAESLRKKSRD
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	S741	SCCQFAESLRKKSRD	100 / 9 AA	193
Phosphosite 1:	C4B	P0C0L5	S741	SCCQFAESLRKKSRD	100 / 9 AA	193
Phosphosite 2:	HRI	Q9BQI3	S548	RTGQLPESLRKRCPV	66 / 9 AA	71
Phosphosite 3:	PANK2	Q9BZ23	S203	VSRQRVESLRKKRPL	77 / 9 AA	63
Phosphosite 4:	ERC1	Q8IUD2	S831	SSQQLQDSLRKKDDR	66 / 9 AA	128
Phosphosite 5:	NUP205	Q92621	S1974	AINAFGESLQKKLLD	75 / 8 AA	228
Phosphosite 6:	TSHZ3	Q63HK5	S913	LQAQFAASLRQTSEG	66 / 9 AA	119
Phosphosite 7:	KBTBD4	Q9NVX7	S226	EREAFAESLRTSLKE	85 / 7 AA	58
Phosphosite 8:	HPS1	Q92902	S25	TDQEFEESLRLKFGQ	66 / 9 AA	79
Phosphosite 9:	MEF2C	Q06413	T87	TNSDIVETLRKKGLN	55 / 9 AA	51
Phosphosite 10:	CHTF18	Q8WVB6	S497	CNDQFAPSLRQLKQQ	75 / 8 AA	107
Phosphosite 11:	TSHZ1	Q6ZSZ6	S907	LQAQFASSLRETTEG	85 / 7 AA	118
Phosphosite 12:	EGFLAM	Q63HQ2	S615	TIPQFRESLRSYAAT	85 / 7 AA	111
Phosphosite 13:	GNPTAB	Q3T906	S934	LKDTFADSLRYVNKI	83 / 6 AA	144
Phosphosite 14:	KIAA1529	Q9P1Z9	S134	CLNQSAESLRICAMR	85 / 7 AA	198
Phosphosite 15:	MEF2D	Q14814	T87	TNADIIETLRKKGFN	55 / 9 AA	56
Phosphosite 16:	SLC25A3	Q00325	S353	PPPEMPESLKKKLGL	55 / 9 AA	40
Phosphosite 17:	PPP1R12B	O60237	S630	VRDEEAESLRKARSR	100 / 6 AA	110
Phosphosite 18:	KIF13B	Q9NQT8	S1284	GRQGFAQSLLKKMSH	75 / 8 AA	203
Phosphosite 19:	MANSC1	Q9H8J5	S411	LGRILSESLRRKRYS	62 / 8 AA	47
Phosphosite 20:	ATP8B2	P98198	S1187	SSSSWIESLRRKKSD	62 / 8 AA	137