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:	S921
P-Site Sequence:	LGGSLSSSDSPLLTP
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	S921	LGGSLSSSDSPLLTP	100 / 9 AA	129
Phosphosite 1:	GOLGA3	Q08378	T138	QETQLCSTDSPLPLE	75 / 8 AA	167
Phosphosite 2:	SART1	O43290	S762	LLKKMSSSDTPLGTV	75 / 8 AA	90
Phosphosite 3:	BRD1	O95696	S859	SESSISSSNSPLCDS	77 / 9 AA	120
Phosphosite 4:	PLA2G4B	P0C869	S729	AGEVNLSSSDSPYHY	87 / 8 AA	114
Phosphosite 5:	PLA2G4B	P0C869	S730	GEVNLSSSDSPYHYT	87 / 8 AA	114
Phosphosite 6:	STON1	Q9Y6Q2	S112	IPESSSDSPLAISGG	100 / 7 AA	83
Phosphosite 7:	HCN4	Q9Y3Q4	S923	GSLSSSDSPLLTPLQ	100 / 7 AA	129
Phosphosite 8:	Putative uncharacterized protein FLJ45340	Q6ZSN7	S17	SFSVSLSSRDSPEGP	87 / 8 AA	20
Phosphosite 9:	STON1	Q9Y6Q2	S110	YPIPESSSDSPLAIS	100 / 7 AA	83
Phosphosite 10:	AlphaK2	Q86TB3	S187	LDISVSSSENPLGVK	66 / 9 AA	237
Phosphosite 11:	MAST2	Q6P0Q8	S481	EEMAQLSSCDSPDTP	85 / 7 AA	196
Phosphosite 12:	SART1	O43290	T764	KKMSSSDTPLGTVAL	85 / 7 AA	90
Phosphosite 13:	MSGN1	A6NI15	S18	LEDGLGSSDSPGLLS	75 / 8 AA	21
Phosphosite 14:	TSPYL2	Q9H2G4	S17	AKTRRLSSSESPQRD	85 / 7 AA	79
Phosphosite 15:	MEGF10	Q96KG7	S1026	SNCSLSSSENPYATI	75 / 8 AA	122
Phosphosite 16:	cIAP2	Q13489	S349	LEQLLSTSDSPGDEN	85 / 7 AA	68
Phosphosite 17:	TSPYL2	Q9H2G4	S18	KTRRLSSSESPQRDP	85 / 7 AA	79
Phosphosite 18:	SAGE1	Q9NXZ1	S742	PDGFLSNSDSPELIN	85 / 7 AA	99
Phosphosite 19:	LRIG3	Q6UXM1	S528	SAASSSDSPMTFAWK	85 / 7 AA	123
Phosphosite 20:	KIF21A	Q7Z4S6	S855	VTRKLSSSDAPAQDT	85 / 7 AA	187