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:	S9
P-Site Sequence:	DKLDANVSSEEGFGS
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	S9	DKLDANVSSEEGFGS	100 / 9 AA	44
Phosphosite 1:	C1QTNF9B	B2RNN3	S282	HTRDAYVSSEDQASG	75 / 8 AA	35
Phosphosite 2:	MLK4	Q5TCX8	S75	LSQDAAVSGDEGWWA	66 / 9 AA	114
Phosphosite 3:	MDM1	Q8TC05	S506	EGSDSSVSSEKGGRL	66 / 9 AA	81
Phosphosite 4:	C1QTNF9B	B2RNN3	Y280	ILHTRDAYVSSEDQA	85 / 7 AA	35
Phosphosite 5:	SMYD5	Q6GMV2	T391	EADEPNVTSEEEEEE	62 / 8 AA	47
Phosphosite 6:	PHTF2	Q8N3S3	S336	NVSDEVSSEEGPETG	100 / 6 AA	89
Phosphosite 7:	POLR3H	Q9Y535	S173	SSADATTSSEELPKK	75 / 8 AA	23
Phosphosite 8:	DMP1	Q13316	S347	SSQEANLSSQENSSE	62 / 8 AA	56
Phosphosite 9:	POLR3H	Q9Y535	T172	PSSADATTSSEELPK	75 / 8 AA	23
Phosphosite 10:	PHTF2	Q8N3S3	S335	TNVSDEVSSEEGPET	100 / 6 AA	89
Phosphosite 11:	NBEAL1	Q6ZS30	S36	FASANVSSDQWSLED	71 / 7 AA	151
Phosphosite 12:	NBEAL1	Q6ZS30	S35	SFASANVSSDQWSLE	71 / 7 AA	151
Phosphosite 13:	CHRD	Q9H2X0	S353	RELQANVSAQEPGFA	62 / 8 AA	102
Phosphosite 14:	FSIP2	Q5CZC0	S1677	ITFSANVSSHEHTYK	85 / 7 AA	370
Phosphosite 15:	UBA2	Q9UBT2	S492	GKGTILISSEEGETE	83 / 6 AA	71
Phosphosite 16:	ZNF469	Q96JG9	S619	SSSPANPSSEESQLP	75 / 8 AA	259
Phosphosite 17:	HR	O43593	S538	DTATNSSSEEGPGSG	75 / 8 AA	127
Phosphosite 18:	SYNE2	Q8WXH0	T4087	RDRLPAVTSEEGGVA	83 / 6 AA	796
Phosphosite 19:	RIT2	Q99578	S144	LEQFRQVSTEEGLSL	83 / 6 AA	25
Phosphosite 20:	ZNF469	Q96JG9	S620	SSPANPSSEESQLPG	75 / 8 AA	259