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:	T253
P-Site Sequence:	HSTHRMRTETKAAKT
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	T253	HSTHRMRTETKAAKT	100 / 9 AA	44
Phosphosite 1:	HTR4	Q13639	T255	THRMRTETKAAKTLC	100 / 7 AA	44
Phosphosite 2:	Cdt1	Q9H211	T517	LSLHRIRTDTYVKLD	71 / 7 AA	60
Phosphosite 3:	ATP8B1	O43520	T836	EEERRMRTQSKRRLE	62 / 8 AA	144
Phosphosite 4:	GPBP1	Q86WP2	T295	TKLTRMRTDKKSEFL	62 / 8 AA	53
Phosphosite 5:	FOXN3	O00409	T316	ITSCRMRTESEPSCG	55 / 9 AA	54
Phosphosite 6:	CCDC101	Q96ES7	T47	KTHERMQTENKISPY	71 / 7 AA	33
Phosphosite 7:	C1orf173	Q5RHP9	T992	KEVMRTETRLSPFTG	83 / 6 AA	168
Phosphosite 8:	GIPC2	Q8TF65	S240	ATVEEMPSETKAKAI	71 / 7 AA	34
Phosphosite 9:	C1orf173	Q5RHP9	T990	ERKEVMRTETRLSPF	83 / 6 AA	168
Phosphosite 10:	RAPH1	Q70E73	T113	GNSKRQITETKATQK	75 / 8 AA	135
Phosphosite 11:	FIGN	Q5HY92	T607	SPVSRMRTEFLMQLD	100 / 5 AA	82
Phosphosite 12:	MDN1	Q9NU22	T1983	VYGERMRTEEDKKKV	100 / 5 AA	633
Phosphosite 13:	LEMD3	Q9Y2U8	T732	ANESRVRTETRRIGG	71 / 7 AA	100
Phosphosite 14:	NOP14	P78316	T274	QPSNRMKTEAELAKE	57 / 7 AA	98
Phosphosite 15:	C20orf94	Q5VYV7	T175	EIVKRTETKSSVTSK	71 / 7 AA	46
Phosphosite 16:	C20orf94	Q5VYV7	T173	LKEIVKRTETKSSVT	71 / 7 AA	46
Phosphosite 17:	TACR2	P21452	T66	LAHRRMRTVTNYFIV	62 / 8 AA	44
Phosphosite 18:	HCN1	O60741	T662	TPTSRMRTQSPPVYT	66 / 6 AA	99
Phosphosite 19:	ZBTB17	Q13105	T296	SGTYGDRTESKAYGS	83 / 6 AA	88
Phosphosite 20:	ZBTB17	Q13105	S298	TYGDRTESKAYGSVI	83 / 6 AA	88