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:	Per2
Human P-Site:	S56
P-Site Sequence:	TGRDSQGSDCDDSGK
UniProt:	O15055
Intern. Prot. ID:	IPI00004516

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	Per2	O15055	S56	TGRDSQGSDCDDSGK	100 / 9 AA	137
Phosphosite 1:	NAGPA	Q9UK23	T219	YINESQATECDETQE	44 / 9 AA	56
Phosphosite 2:	ARIH2	O95376	S10	VDMNSQGSDSNEEDY	55 / 9 AA	58
Phosphosite 3:	FASTKD3	Q14CZ7	S85	GPVFSQVSDCDRLEQ	85 / 7 AA	76
Phosphosite 4:	NAV2	Q8IVL1	S1963	LKSESQGSGCSRAPS	71 / 7 AA	268
Phosphosite 5:	CACNA1E	Q15878	S2242	LHEDSHASDCGEEET	55 / 9 AA	262
Phosphosite 6:	BAZ1B	Q9UIG0	S708	VQEESEGSDTDDNKD	66 / 9 AA	171
Phosphosite 7:	C5orf50	A6NLE4	S28	LLERRRGSHCDDEKQ	62 / 8 AA	18
Phosphosite 8:	BC060632	Q765P7	S492	DTIPSQGSDYDCYSV	85 / 7 AA	80
Phosphosite 9:	PTPN21	Q16825	S230	PAKDSQGSDISIGAC	85 / 7 AA	133
Phosphosite 10:	PTPN21	Q16825	S227	ESYPAKDSQGSDISI	100 / 6 AA	133
Phosphosite 11:	VARS	P26640	S525	FAYKVQGSDSDEEVV	71 / 7 AA	140
Phosphosite 12:	SDK2	Q58EX2	S2052	KPSEISDSQGSDSEY	100 / 6 AA	239
Phosphosite 13:	Per2	O15055	S53	NCSTGRDSQGSDCDD	100 / 6 AA	137
Phosphosite 14:	VARS	P26640	S527	YKVQGSDSDEEVVVA	71 / 7 AA	140
Phosphosite 15:	LAMC3	Q9Y6N6	S1041	TEGWLQGSDCGSPWG	83 / 6 AA	172
Phosphosite 16:	exonuclease 1	Q9UQ84	S705	KDSDSEESDCNIKLL	62 / 8 AA	94
Phosphosite 17:	PTGER2	P43116	S10	NASNDSQSEDCETRQ	62 / 8 AA	40
Phosphosite 18:	CHD4	Q14839	S108	LRSDSEGSDYTPGKK	71 / 7 AA	218
Phosphosite 19:	MST4	Q9P289	S309	DESDSEGSDSESTSR	62 / 8 AA	47
Phosphosite 20:	UBE2O	Q9C0C9	S1199	PGEASQGSDSEGGAQ	71 / 7 AA	141