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:	PRSS21
Human P-Site:	S23
P-Site Sequence:	AGLRKPESQEAAPLS
UniProt:	Q9Y6M0
Intern. Prot. ID:	IPI00305703

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	PRSS21	Q9Y6M0	S23	AGLRKPESQEAAPLS	100 / 9 AA	35
Phosphosite 1:	SNRPA	P09012	S115	REKRKPKSQETPATK	66 / 9 AA	31
Phosphosite 2:	CMYA1	Q702N8	S766	SGNRMQESQETAAEG	66 / 9 AA	199
Phosphosite 3:	C9orf82	Q9H8G2	S16	EKRRKRSSQEAAAAL	77 / 9 AA	38
Phosphosite 4:	AKAP9	Q99996	S629	VLDRMAESQEAELER	75 / 8 AA	454
Phosphosite 5:	DHTKD1	Q96HY7	S40	YRPRKPESREPQGAL	75 / 8 AA	103
Phosphosite 6:	LRRC27	Q9C0I9	S183	SLPRNPTSQEAPPVR	66 / 9 AA	60
Phosphosite 7:	LRRC27	Q9C0I9	T182	HSLPRNPTSQEAPPV	75 / 8 AA	60
Phosphosite 8:	SYNJ2	O15056	S1308	PSHRKPASDEAPPGA	75 / 8 AA	166
Phosphosite 9:	IRG1	A6NK06	S414	GHWRKPLSQEDLEEK	85 / 7 AA	53
Phosphosite 10:	LOC643677	Q8NDH2	S2311	KSHRHPESQERKKAR	85 / 7 AA	278
Phosphosite 11:	PPRC1	Q5VV67	T1104	SERLKPETQETRPRE	71 / 7 AA	178
Phosphosite 12:	UGT1A3	P35503	S288	CANRKPLSQEFEAYI	85 / 7 AA	60
Phosphosite 13:	KIAA0443	Q96D09	S443	REEAKPESEEEAIFG	75 / 8 AA	94
Phosphosite 14:	ZNF574	Q6ZN55	S244	FPAPVPESQEPALQQ	85 / 7 AA	99
Phosphosite 15:	CMYA5	Q8N3K9	S1213	KEEIVPDSQEATAHV	71 / 7 AA	449
Phosphosite 16:	VPS13B	Q7Z7G8	S918	NESRKPESLLAPDLM	66 / 9 AA	449
Phosphosite 17:	POTEE	Q6S8J3	S580	RKSRTPESQQFPDTE	71 / 7 AA	121
Phosphosite 18:	POTEG	Q6S5H5	S543	RKSRTPESQQFPDTE	71 / 7 AA	67
Phosphosite 19:	POTEH	Q6S545	S494	RKSRTPESQQFPDTE	71 / 7 AA	61
Phosphosite 20:	Putative POTE ankyrin domain family member M	A6NI47	S457	RKSRTPESQQFPDTE	71 / 7 AA	57