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:	HTR4
Human P-Site:	T255
P-Site Sequence:	THRMRTETKAAKTLC
UniProt:	Q13639
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	HTR4	Q13639	T255	THRMRTETKAAKTLC	100 / 9 AA	44
Phosphosite 1:	HTR4	Q13639	T253	HSTHRMRTETKAAKT	100 / 7 AA	44
Phosphosite 2:	ARVCF	O00192	T122	GTTRRTETKVTKTVK	75 / 8 AA	105
Phosphosite 3:	C1orf173	Q5RHP9	T992	KEVMRTETRLSPFTG	83 / 6 AA	168
Phosphosite 4:	C1orf173	Q5RHP9	T990	ERKEVMRTETRLSPF	83 / 6 AA	168
Phosphosite 5:	AL7A	Q9Y615	S57	EPQEPTESKAAKERP	75 / 8 AA	49
Phosphosite 6:	PCK2	Q16822	S482	GRAMRSESTAAAEHK	62 / 8 AA	71
Phosphosite 7:	EXOSC9	Q06265	T415	PKKIRTQTTSAKQEK	55 / 9 AA	49
Phosphosite 8:	ARHGEF5	Q12774	T1486	EFLFRTETQSEKLRW	55 / 9 AA	177
Phosphosite 9:	ZNF704	Q6ZNC4	T278	PDSSRTETPCAKTET	75 / 8 AA	45
Phosphosite 10:	C20orf94	Q5VYV7	T175	EIVKRTETKSSVTSK	62 / 8 AA	46
Phosphosite 11:	GIPC2	Q8TF65	S240	ATVEEMPSETKAKAI	71 / 7 AA	34
Phosphosite 12:	ATRX	P46100	T1493	DDKLRTETQNALKEE	62 / 8 AA	283
Phosphosite 13:	CCDC151	A5D8V7	T110	ISQLRKETKALELKL	71 / 7 AA	69
Phosphosite 14:	C20orf94	Q5VYV7	T173	LKEIVKRTETKSSVT	71 / 7 AA	46
Phosphosite 15:	ZBTB17	Q13105	T296	SGTYGDRTESKAYGS	83 / 6 AA	88
Phosphosite 16:	ZBTB17	Q13105	S298	TYGDRTESKAYGSVI	83 / 6 AA	88
Phosphosite 17:	MRPL46	Q9H2W6	S225	PQAMRTESNLGAKVF	66 / 6 AA	32
Phosphosite 18:	KIAA0774	Q5JR59	T629	KTEERTETKPIIMPK	83 / 6 AA	150
Phosphosite 19:	GOLGB1	Q14789	T2698	AGIMRNETETAEERV	62 / 8 AA	376
Phosphosite 20:	TMEM209	Q96SK2	T23	TIKMRKETEARKVVL	66 / 9 AA	63