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:	S342
P-Site Sequence:	RDGSGRTSGSRQSSS
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	S342	RDGSGRTSGSRQSSS	100 / 9 AA	89
Phosphosite 1:	ARPP-21	Q9UBL0	S344	GSGRTSGSRQSSSEN	100 / 7 AA	89
Phosphosite 2:	ANXA13	P27216	S46	EILSGRTSDERQQIK	77 / 9 AA	35
Phosphosite 3:	LPHN3	Q9HAR2	S1136	SIGSGKTSGSRTPGR	87 / 8 AA	162
Phosphosite 4:	AFF1	P51825	S722	SGSGSRTSGCRQAVV	85 / 7 AA	131
Phosphosite 5:	PANK2	Q9BZ23	S195	GSYSGPTSVSRQRVE	77 / 9 AA	63
Phosphosite 6:	PUM2	Q8TB72	S178	DFNRTPGSRQASPTE	85 / 7 AA	114
Phosphosite 7:	EHBP1	Q8NDI1	S664	QQSSGRTSGSDDPGI	100 / 7 AA	140
Phosphosite 8:	EHBP1	Q8NDI1	T663	SQQSSGRTSGSDDPG	100 / 7 AA	140
Phosphosite 9:	USP21	Q9UK80	S74	ELGRGRTSGPRPRGP	75 / 8 AA	63
Phosphosite 10:	C6orf150	Q8N884	S57	KFGPARKSGSRQKKS	66 / 9 AA	59
Phosphosite 11:	FRZB	Q92765	S318	SQKSGRNSNPRQARN	66 / 9 AA	36
Phosphosite 12:	R3HDM2	Q9Y2K5	S309	REGLSRTSSSRQSST	75 / 8 AA	107
Phosphosite 13:	C6orf150	Q8N884	S59	GPARKSGSRQKKSAP	85 / 7 AA	59
Phosphosite 14:	SDR42E1	Q8WUS8	S359	AHGHGRSSGSRDSEC	75 / 8 AA	44
Phosphosite 15:	R3HDM2	Q9Y2K5	S310	EGLSRTSSSRQSSTD	75 / 8 AA	107
Phosphosite 16:	SBF1	O95248	S1739	SGSTTSGSRQAARRS	100 / 6 AA	208
Phosphosite 17:	R3HDM2	Q9Y2K5	S311	GLSRTSSSRQSSTDS	85 / 7 AA	107
Phosphosite 18:	ZFP91	Q96JP5	S158	GWRSSRTSVSRHRDT	66 / 9 AA	63
Phosphosite 19:	ROBO1	Q9Y6N7	S1612	SSMSSRGSGSRQREQ	77 / 9 AA	181
Phosphosite 20:	USP21	Q9UK80	T73	LELGRGRTSGPRPRG	85 / 7 AA	63