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:	T553
P-Site Sequence:	SPICLPGTSSDYNLM
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	T553	SPICLPGTSSDYNLM	100 / 9 AA	77
Phosphosite 1:	C1s	P09871	S554	PICLPGTSSDYNLMD	100 / 8 AA	77
Phosphosite 2:	C1s	P09871	S555	ICLPGTSSDYNLMDG	100 / 7 AA	77
Phosphosite 3:	OTUD5	Q96G74	T495	PSPCAPGTSSQFSAG	66 / 9 AA	61
Phosphosite 4:	NID2	Q14112	T780	TARCHPGTGVDYTCE	66 / 9 AA	151
Phosphosite 5:	PRTG	Q2VWP7	T572	QVLELPGTTHEYLLE	62 / 8 AA	127
Phosphosite 6:	Per2	O15055	T1026	GADCKPGTSRDQQPK	75 / 8 AA	137
Phosphosite 7:	SETMAR	Q53H47	T73	KTPCLPGTCSCLRHG	85 / 7 AA	77
Phosphosite 8:	PCDH18	Q9HCL0	S940	MPPLPSPSSDYRSNM	75 / 8 AA	126
Phosphosite 9:	POM121L2	Q96KW2	S392	SELLPGTSPDSKPTA	85 / 7 AA	103
Phosphosite 10:	SMOC1	Q9H4F8	S284	GRPLPGTSTRYVMPS	75 / 8 AA	48
Phosphosite 11:	POM121L2	Q96KW2	T391	QSELLPGTSPDSKPT	85 / 7 AA	103
Phosphosite 12:	SMOC1	Q9H4F8	T283	TGRPLPGTSTRYVMP	75 / 8 AA	48
Phosphosite 13:	FBN3	Q75N90	T1944	AGTCLPGTCQNLEGS	62 / 8 AA	300
Phosphosite 14:	NACC1	Q96RE7	T266	SERTSPGTSSAYTSD	85 / 7 AA	57
Phosphosite 15:	NACC1	Q96RE7	S268	RTSPGTSSAYTSDSP	85 / 7 AA	57
Phosphosite 16:	NACC1	Q96RE7	S267	ERTSPGTSSAYTSDS	85 / 7 AA	57
Phosphosite 17:	ASXL1	Q8IXJ9	T469	SSPHLPGTSSAAPDL	100 / 6 AA	165
Phosphosite 18:	KRT40	Q6A162	T37	ETACLPGTCATSRCQ	71 / 7 AA	48
Phosphosite 19:	TSP50	Q9UI38	T230	RPICLPGTDYVLKDH	77 / 9 AA	43
Phosphosite 20:	IRS2	Q9Y4H2	S967	SGTPGTSSDSRQRSP	100 / 6 AA	137