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:	ARPP-21
Human P-Site:	S566
P-Site Sequence:	MTLSRQSSGETPEPP
UniProt:	Q9UBL0
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	ARPP-21	Q9UBL0	S566	MTLSRQSSGETPEPP	100 / 9 AA	89
Phosphosite 1:	ARPP-21	Q9UBL0	S565	QMTLSRQSSGETPEP	100 / 8 AA	89
Phosphosite 2:	NLRP1	Q9C000	S38	KAHSRSSSGETPAQP	88 / 9 AA	166
Phosphosite 3:	CABIN1	Q9Y6J0	S1921	AAAQRQASGDTPTTP	75 / 8 AA	246
Phosphosite 4:	LYSMD4	Q5XG99	S245	VYFKIQASGETPNSL	85 / 7 AA	32
Phosphosite 5:	PIGR	P01833	S275	KFLCRQSSGENCDVV	75 / 8 AA	83
Phosphosite 6:	PIGR	P01833	S274	AKFLCRQSSGENCDV	75 / 8 AA	83
Phosphosite 7:	PRDM14	Q9GZV8	S512	RTHIRQHSGEKPFKC	75 / 8 AA	64
Phosphosite 8:	AMDHD1	Q96NU7	S64	DVIQRQFSGETFEEI	85 / 7 AA	47
Phosphosite 9:	ZNF219	Q9P2Y4	S692	PPYARVPSGETPPSP	66 / 9 AA	77
Phosphosite 10:	DDX42	Q86XP3	S820	NRGSSRHSHGETGNR	75 / 8 AA	103
Phosphosite 11:	NLRP1	Q9C000	S37	NKAHSRSSSGETPAQ	87 / 8 AA	166
Phosphosite 12:	RAPGEF5	Q92565	S379	FTFSRQGSGEHTANL	85 / 7 AA	68
Phosphosite 13:	KIAA1370	Q32MH5	S355	NRQSFWQSAGETNPL	71 / 7 AA	122
Phosphosite 14:	Elf-2	Q15723	S518	SMPTQQASGQTPPRV	55 / 9 AA	64
Phosphosite 15:	RFX3	P48380	T646	EHRVAQATGETPIAV	71 / 7 AA	84
Phosphosite 16:	MTMR1	Q13613	S43	TAGSRQPSVETLDSP	75 / 8 AA	75
Phosphosite 17:	TMCO4	Q5TGY1	T555	AAASSGETPHQVGQT	100 / 6 AA	68
Phosphosite 18:	BBX	Q8WY36	S565	ISASKNISGETPEGI	66 / 9 AA	105
Phosphosite 19:	NLRP1	Q9C000	T41	SRSSSGETPAQPEKT	100 / 6 AA	166
Phosphosite 20:	GCGR	P47871	S460	GGGSQDSSAETPLAG	66 / 9 AA	54