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:	METTL4
Human P-Site:	S305
P-Site Sequence:	SNRYSYLSPLQIKQI
UniProt:	Q8N3J2
Intern. Prot. ID:

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	METTL4	Q8N3J2	S305	SNRYSYLSPLQIKQI	100 / 9 AA	54
Phosphosite 1:	METTL4	Q8N3J2	Y303	KRSNRYSYLSPLQIK	100 / 7 AA	54
Phosphosite 2:	TAF172	O14981	S1525	QDYYCTLSPLQVQLY	66 / 9 AA	207
Phosphosite 3:	MAGE-C1	O60732	S690	PEGEDSLSPLQIPQS	100 / 6 AA	124
Phosphosite 4:	METTL4	Q8N3J2	S302	VKRSNRYSYLSPLQI	100 / 6 AA	54
Phosphosite 5:	IQGAP2	Q13576	S742	TARKSYLSRLQYFRD	85 / 7 AA	181
Phosphosite 6:	JMJD3	O15054	S1158	KFRESYLSPAQSVKP	85 / 7 AA	180
Phosphosite 7:	RGAG1	Q8NET4	S230	APSSEAMSPLQITDE	83 / 6 AA	144
Phosphosite 8:	SETD8	Q9NQR1	Y98	GQSKIYSYMSPNKCS	83 / 6 AA	43
Phosphosite 9:	SETD8	Q9NQR1	S100	SKIYSYMSPNKCSGM	55 / 9 AA	43
Phosphosite 10:	UBN2	Q6ZU65	S941	AVQQNYVSPLQATIS	71 / 7 AA	146
Phosphosite 11:	SYBU	Q9NX95	T269	PNPEQYLTPLQQKEV	83 / 6 AA	72
Phosphosite 12:	Syntaphilin	O15079	T77	PTPEQYLTPLQQKEV	83 / 6 AA	54
Phosphosite 13:	RPS2	P15880	Y250	AISKTYSYLTPDLWK	83 / 6 AA	31
Phosphosite 14:	C6orf152	Q86VQ0	S25	KHHYSYLSDFETPQS	55 / 9 AA	81
Phosphosite 15:	DCDC5	Q6ZRR9	S391	QPGYCYLSPDGKRKT	83 / 6 AA	73
Phosphosite 16:	WDFY3	Q8IZQ1	S275	MQQSDDLSPLEIVEM	83 / 6 AA	395
Phosphosite 17:	MAGE-C1	O60732	S110	PEGKDSLSPLEISQS	83 / 6 AA	124
Phosphosite 18:	STYX	Q8WUJ0	S184	KLTIQMMSPLQIERS	83 / 6 AA	25
Phosphosite 19:	RPS2	P15880	S249	DAISKTYSYLTPDLW	83 / 6 AA	31
Phosphosite 20:	VENTX	O95231	S117	FQHHQYLSPLERKRL	83 / 6 AA	28