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:	HCN4
Human P-Site:	S881
P-Site Sequence:	LLPSSSSSPPPGACG
UniProt:	Q9Y3Q4
Intern. Prot. ID:	IPI00023164

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	HCN4	Q9Y3Q4	S881	LLPSSSSSPPPGACG	100 / 9 AA	129
Phosphosite 1:	MAPK8IP3	Q9UPT6	S585	RLFSSSSSPPPAKRP	88 / 9 AA	147
Phosphosite 2:	MAPK8IP3	Q9UPT6	S584	RLFSSSSSPPPAKRP	88 / 9 AA	147
Phosphosite 3:	MAPK8IP3	Q9UPT6	S583	RLFSSSSSPPPAKRP	88 / 9 AA	147
Phosphosite 4:	ZBTB4	Q9P1Z0	S111	SSSSSSSSPPPASPP	88 / 9 AA	105
Phosphosite 5:	RPRD2	Q5VT52	S769	STPSSTRSPPPGRDE	77 / 9 AA	156
Phosphosite 6:	ZBTB4	Q9P1Z0	S110	SSSSSSSSSPPPASP	100 / 8 AA	105
Phosphosite 7:	HCN4	Q9Y3Q4	S880	PLLPSSSSSPPPGAC	100 / 8 AA	129
Phosphosite 8:	PPP2R5A	Q15172	S5	___MSSSSPPAGAAS	87 / 8 AA	56
Phosphosite 9:	CEBPB	P17676	S230	SLSTSSSSSPPGTPS	77 / 9 AA	36
Phosphosite 10:	MEKK2	Q9Y2U5	S164	PTSRDRSSPPPGYIP	100 / 6 AA	70
Phosphosite 11:	SRRM2	Q9UQ35	S820	RRSRSSSSPPPKQKS	100 / 7 AA	300
Phosphosite 12:	PCNT	O95613	S2327	DSQETLSSPPPGLEG	100 / 6 AA	378
Phosphosite 13:	TMEM151A	Q8N4L1	S323	EKLFGASSPPPGAVP	85 / 7 AA	51
Phosphosite 14:	SRRM3	A6NNA2	S165	HWSSSSASPPPKKKK	87 / 8 AA	65
Phosphosite 15:	CEBPB	P17676	S231	LSTSSSSSPPGTPSP	87 / 8 AA	36
Phosphosite 16:	SRRM2	Q9UQ35	S819	PRRSRSSSSPPPKQK	100 / 7 AA	300
Phosphosite 17:	TICAM1	Q8IUC6	S270	SPPELPSSPPPGLPE	100 / 6 AA	76