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:	SPON1
Human P-Site:	S536
P-Site Sequence:	KQFPEDGSVCTLPTE
UniProt:	Q9HCB6
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	SPON1	Q9HCB6	S536	KQFPEDGSVCTLPTE	100 / 9 AA	91
Phosphosite 1:	BTG2	P78543	S118	YRIGEDGSICVLYEE	75 / 8 AA	17
Phosphosite 2:	IRE1	O75460	S81	LPDPNDGSLYTLGSK	66 / 9 AA	110
Phosphosite 3:	DSC2	Q02487	S78	FQILEDGSVYTTNTI	85 / 7 AA	100
Phosphosite 4:	C12orf35	Q9HCM1	S796	YPVIKEGSVCSLQNQ	71 / 7 AA	195
Phosphosite 5:	SMCY	Q9BY66	S1312	KPRPEEASVYTSATA	62 / 8 AA	174
Phosphosite 6:	PKD1L2	Q7Z442	S26	TVKPEEGSFCSNSQV	62 / 8 AA	273
Phosphosite 7:	NCOR1	O75376	S809	EHSAEEGSVCDPPPA	71 / 7 AA	270
Phosphosite 8:	DDX60L	Q5H9U9	S1125	DVGKRAGSVCTFLEK	83 / 6 AA	152
Phosphosite 9:	SRP19	P09132	S92	QLKQEDGSLCLVQFP	71 / 7 AA	16
Phosphosite 10:	CASR	P41180	S502	HLSPEDGSIVFKEVG	71 / 7 AA	121
Phosphosite 11:	TGF-betaR2	P37173	S562	EKIPEDGSLNTTK__	75 / 8 AA	65
Phosphosite 12:	C12orf35	Q9HCM1	S799	IKEGSVCSLQNQLAE	83 / 6 AA	195
Phosphosite 13:	WDR41	Q9HAD4	S345	ISCSEDGSVRIWELR	55 / 9 AA	52
Phosphosite 14:	SFRS15	O95104	S504	QVKPETASVCSTTLW	62 / 8 AA	126
Phosphosite 15:	RAD54L	Q92698	S697	IRPPPDGSDCTSDLA	75 / 8 AA	84
Phosphosite 16:	RP1L1	Q8IWN7	S1484	EGLPEEGSVHGQELS	71 / 7 AA	261
Phosphosite 17:	NLRP13	Q86W25	S330	SESLDDGSPCTDWYQ	71 / 7 AA	119
Phosphosite 18:	OTUB2	Q96DC9	S114	ELVEKDGSVSSLLKV	71 / 7 AA	27
Phosphosite 19:	SFRS15	O95104	T502	LPQVKPETASVCSTT	71 / 7 AA	126
Phosphosite 20:	LEPR	P48357	S952	TTDLEKGSVCISDQF	71 / 7 AA	132