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:	S394
P-Site Sequence:	QALVREMSGSPASGI
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	S394	QALVREMSGSPASGI	100 / 9 AA	193
Phosphosite 1:	C4B	P0C0L5	S394	QALVREMSGSPASGI	100 / 9 AA	193
Phosphosite 2:	Rad18	Q9NS91	S142	NFLIREMSGSTSELL	66 / 9 AA	56
Phosphosite 3:	B3GNT8	Q7Z7M8	T170	ERQAVRETWGSPAPG	75 / 8 AA	43
Phosphosite 4:	PRDM7	Q9NQW5	S134	ESSLRELSGTPNLLN	62 / 8 AA	56
Phosphosite 5:	TRIM71	Q2Q1W2	S21	LCKEMCGSPAPLSSN	85 / 7 AA	93
Phosphosite 6:	Gramd2	Q8IUY3	S194	SLSVREFSGEPESLE	66 / 9 AA	40
Phosphosite 7:	CARD11	Q9BXL7	S923	NERVRIISGSPLGSL	75 / 8 AA	133
Phosphosite 8:	AQP6	Q13520	S169	STDSRQTSGSPATMI	75 / 8 AA	29
Phosphosite 9:	INSM2	Q96T92	S73	AEAAREQSGSPCRAA	75 / 8 AA	59
Phosphosite 10:	SLC25A27	O95847	S318	YEKIREMSGVSPF__	83 / 6 AA	36
Phosphosite 11:	FAM105A	Q9NUU6	S16	RARERERSGAPAAGS	75 / 8 AA	42
Phosphosite 12:	C4orf38	Q96NR7	S162	AGPGRQASGSPAPQS	75 / 8 AA	21
Phosphosite 13:	DOCK6	Q96HP0	S30	KQVSRERSGSPHSSR	85 / 7 AA	230
Phosphosite 14:	COG8	Q96MW5	S54	GRYLRELSGSGLERL	71 / 7 AA	68
Phosphosite 15:	KHS2	Q8IVH8	S465	TIKRCPMSGSPAKPS	100 / 6 AA	101
Phosphosite 16:	B4GALNT1	Q00973	S390	GGAVREISGFATTYR	55 / 9 AA	59
Phosphosite 17:	KHS2	Q8IVH8	S467	KRCPMSGSPAKPSQV	100 / 6 AA	101
Phosphosite 18:	CACNB2	Q08289	S7	_MVQRDMSKSPPTAA	62 / 8 AA	74
Phosphosite 19:	SRRM2	Q9UQ35	S454	PGSHREISSSPTSKN	62 / 8 AA	300
Phosphosite 20:	FAR1	Q8WVX9	S451	YVLNEEMSGLPAARK	85 / 7 AA	59