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:	S1173
P-Site Sequence:	QRVEASISKANSFLG
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	S1173	QRVEASISKANSFLG	100 / 9 AA	193
Phosphosite 1:	C4B	P0C0L5	S1173	QRVEASISKANSFLG	100 / 9 AA	193
Phosphosite 2:	C4B	P0C0L5	S1171	LKQRVEASISKANSF	100 / 7 AA	193
Phosphosite 3:	C4A	P0C0L4	S1171	LKQRVEASISKANSF	100 / 7 AA	193
Phosphosite 4:	ARHGAP12	Q8IWW6	S305	WTRDASISKGDFQNP	62 / 8 AA	96
Phosphosite 5:	RRP12	Q5JTH9	S770	CADEAAISKLYSTIR	66 / 9 AA	144
Phosphosite 6:	ARHGAP12	Q8IWW6	S303	PRWTRDASISKGDFQ	71 / 7 AA	96
Phosphosite 7:	TEX15	Q9BXT5	S1970	PINEATISIENSKFN	66 / 9 AA	315
Phosphosite 8:	VWF	P04275	S1719	SFAKAFISKANIGPR	85 / 7 AA	309
Phosphosite 9:	AlphaK2	Q86TB3	S744	LKYEQSISEANDETM	75 / 8 AA	237
Phosphosite 10:	LAMC2	Q13753	S635	QRMEALISKAQGGDG	66 / 9 AA	131
Phosphosite 11:	USP50	Q70EL3	S259	QETAVRASISKAPKI	100 / 6 AA	39
Phosphosite 12:	HMCN1	Q96RW7	S5084	FKIHASISKGDRSNQ	71 / 7 AA	613
Phosphosite 13:	C10orf18	Q5VWN6	S426	KNQEAPISKDVPVPT	83 / 6 AA	269
Phosphosite 14:	CCDC38	Q502W7	S246	KRAQASKSKANIILP	75 / 8 AA	65
Phosphosite 15:	CWF19L1	Q69YN2	S274	RKSGQEASIGKQILA	83 / 6 AA	61
Phosphosite 16:	EEF1AL3	Q5VTE0	S128	GEFEAGISKNGQTRE	83 / 6 AA	50
Phosphosite 17:	EEF1A2	Q05639	S128	GEFEAGISKNGQTRE	83 / 6 AA	50
Phosphosite 18:	EEF1A1	P68104	S128	GEFEAGISKNGQTRE	83 / 6 AA	50
Phosphosite 19:	LUZP1	Q86V48	S386	HGSEASVSKHTAREL	83 / 6 AA	120
Phosphosite 20:	GRIN3	Q6ZVF9	S519	SDSCGSISKADHSGS	71 / 7 AA	82