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:	RP1-21O18.1
Human P-Site:	S352
P-Site Sequence:	HSLCNGDSPGPVQKN
UniProt:	Q674X7
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	RP1-21O18.1	Q674X7	S352	HSLCNGDSPGPVQKN	100 / 9 AA	86
Phosphosite 1:	CTRC	Q99895	S216	ISACNGDSGGPLNCQ	77 / 9 AA	29
Phosphosite 2:	CELA3A	P09093	S217	RSGCNGDSGGPLNCP	77 / 9 AA	29
Phosphosite 3:	CELA3B	P08861	S217	RSGCNGDSGGPLNCP	77 / 9 AA	29
Phosphosite 4:	CELA2A	P08217	S216	ISSCNGDSGGPLNCQ	77 / 9 AA	29
Phosphosite 5:	Serine protease 53	Q2L4Q9	S224	QGPCQGDSGGPVLCL	77 / 9 AA	58
Phosphosite 6:	PRSS2	P07478	S200	KDSCQGDSGGPVVSN	77 / 9 AA	26
Phosphosite 7:	Casp1	P29466	S289	IQACRGDSPGVVWFK	77 / 9 AA	45
Phosphosite 8:	ESSPL	Q7RTY5	S228	KDSCKGDSGGPLSCH	66 / 9 AA	37
Phosphosite 9:	GZMM	P51124	S207	QAPCKGDSGGPLVCG	66 / 9 AA	28
Phosphosite 10:	F11	P03951	S575	KDACKGDSGGPLSCK	66 / 9 AA	70
Phosphosite 11:	CFD	P00746	S208	RDSCKGDSGGPLVCG	66 / 9 AA	27
Phosphosite 12:	PROC	P04070	S402	QDACEGDSGGPMVAS	66 / 9 AA	52
Phosphosite 13:	TESSP5	Q7RTY3	S186	ENLCYGDSGGPLACE	66 / 9 AA	29
Phosphosite 14:	KLK3	P07288	S213	KSTCSGDSGGPLVCN	66 / 9 AA	29
Phosphosite 15:	ZNF165	P49910	S60	RQFCYQDSPGPREAL	75 / 8 AA	56
Phosphosite 16:	KLK15	Q9H2R5	S209	AESCEGDSGGPLVCG	66 / 9 AA	28
Phosphosite 17:	GZMA	P12544	S212	RDSCNGDSGSPLLCE	66 / 9 AA	29
Phosphosite 18:	CELA1	Q9UNI1	S206	RSGCQGDSGGPLHCL	66 / 9 AA	28
Phosphosite 19:	KLK12	Q9UKR0	S200	QDACQGDSGGPLVCG	66 / 9 AA	27
Phosphosite 20:	KLK9	Q9UKQ9	S204	RGSCQGDSGGPLVCN	66 / 9 AA	28