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:	CNTN4
Human P-Site:	Y574
P-Site Sequence:	QLKHAGKYVCMVQTS
UniProt:	Q8IWV2
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	CNTN4	Q8IWV2	Y574	QLKHAGKYVCMVQTS	100 / 9 AA	113
Phosphosite 1:	CNTN3	Q9P232	Y575	QLKHSGKYVCMVQTG	88 / 9 AA	113
Phosphosite 2:	CNTN2	Q02246	Y585	QLRHGGKYTCMAQTV	66 / 9 AA	113
Phosphosite 3:	TTN	Q8WZ42	Y6608	EPANAGKYICQIKND	55 / 9 AA	3816
Phosphosite 4:	TTN	Q8WZ42	Y5483	EVKHDGKYVCQAKND	66 / 9 AA	3816
Phosphosite 5:	KCNK18	Q7Z418	Y131	PVTRLGKYLCMLYAL	55 / 9 AA	44
Phosphosite 6:	TTN	Q8WZ42	Y8490	EPANAGKYTCQIKND	55 / 9 AA	3816
Phosphosite 7:	LRRC24	Q50LG9	Y343	TLAHAGKYECEASNA	85 / 7 AA	55
Phosphosite 8:	HMCN1	Q96RW7	Y589	KFNDAGEYHCMVSSE	66 / 9 AA	613
Phosphosite 9:	FSCN2	O14926	Y352	LKASNGRYVCMKKNG	83 / 6 AA	55
Phosphosite 10:	CYP19A1	P11511	Y441	PRGCAGKYIAMVMMK	75 / 8 AA	58
Phosphosite 11:	HSPG2	P98160	T3182	AKPSDAGTYVCLAQN	62 / 8 AA	469
Phosphosite 12:	HSPG2	P98160	Y3183	KPSDAGTYVCLAQNA	62 / 8 AA	469
Phosphosite 13:	MASP2	O00187	Y410	MKVNDGKYVCEADGF	71 / 7 AA	76
Phosphosite 14:	OBSCN	Q5VST9	Y3694	VAEDAGEYLCMCGKE	62 / 8 AA	868
Phosphosite 15:	ZNF831	Q5JPB2	Y144	KVRNAGKYLCPHCGR	71 / 7 AA	178
Phosphosite 16:	PRTG	Q2VWP7	Y302	RLQHAGVYVCRATTP	75 / 8 AA	127
Phosphosite 17:	NFX1	Q12986	Y356	EQLTTEKYECMVCCE	62 / 8 AA	124
Phosphosite 18:	CNTN5	O94779	Y549	SKSDEGKYVCRGENV	62 / 8 AA	121
Phosphosite 19:	FGF17	O60258	Y107	KGAESEKYICMNKRG	57 / 7 AA	25
Phosphosite 20:	Pyroglutamyl-peptidase 1-like protein	A6NFU8	Y125	FSRDAGRYVCDYTYY	71 / 7 AA	22