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:	C1s
Human P-Site:	Y338
P-Site Sequence:	RVGATSFYSTCQSNG
UniProt:	P09871
Intern. Prot. ID:	IPI00017696

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	C1s	P09871	Y338	RVGATSFYSTCQSNG	100 / 9 AA	77
Phosphosite 1:	C1s	P09871	S339	VGATSFYSTCQSNGK	100 / 8 AA	77
Phosphosite 2:	C1s	P09871	T340	GATSFYSTCQSNGKW	100 / 7 AA	77
Phosphosite 3:	C1s	P09871	S336	EGRVGATSFYSTCQS	100 / 7 AA	77
Phosphosite 4:	PKP1	Q13835	T189	NRYSFYSTCSGQKAI	100 / 6 AA	83
Phosphosite 5:	PKP1	Q13835	Y187	TQNRYSFYSTCSGQK	100 / 6 AA	83
Phosphosite 6:	PKP1	Q13835	S188	QNRYSFYSTCSGQKA	100 / 6 AA	83
Phosphosite 7:	BRAP	Q7Z569	Y218	QADADSFYMTCNGRQ	75 / 8 AA	67
Phosphosite 8:	INPPL1	O15357	T772	FFIEFYSTCLEEYKK	100 / 5 AA	139
Phosphosite 9:	DRD3	P35462	Y256	HLELKRYYSICQDTA	50 / 8 AA	44
Phosphosite 10:	DRD3	P35462	S257	LELKRYYSICQDTAL	50 / 8 AA	44
Phosphosite 11:	PR (Progesterone)	P06401	Y795	RMKESSFYSLCLTMW	55 / 9 AA	99
Phosphosite 12:	KRTHA7	O76014	S6	__MTSFYSTSSCPLG	100 / 6 AA	50
Phosphosite 13:	CYP4F22	Q6NT55	Y50	LRLCRSFYITCRRLR	71 / 7 AA	62
Phosphosite 14:	DNAJC6	O75061	Y265	LIGETKIYSTCTDFE	62 / 8 AA	100
Phosphosite 15:	FAM109A	Q8N4B1	Y11	NERSLAFYATCDAPV	57 / 7 AA	27
Phosphosite 16:	DNAJC6	O75061	S266	IGETKIYSTCTDFER	71 / 7 AA	100
Phosphosite 17:	PHKB	Q93100	Y1055	QDDMTSFYNTPPLGK	62 / 8 AA	125
Phosphosite 18:	CELA3A	P09093	Y55	YEKSGSFYHTCGGSL	83 / 6 AA	29
Phosphosite 19:	CELA3A	P09093	T57	KSGSFYHTCGGSLIA	83 / 6 AA	29
Phosphosite 20:	CELA3B	P08861	Y55	YEKSGSFYHTCGGSL	83 / 6 AA	29