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:	MYST4
Human P-Site:	S421
P-Site Sequence:	TTTSTYISASTLKVN
UniProt:	Q8WYB5
Intern. Prot. ID:	IPI00099433

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	MYST4	Q8WYB5	S421	TTTSTYISASTLKVN	100 / 9 AA	231
Phosphosite 1:	MYST4	Q8WYB5	Y419	KITTTSTYISASTLK	100 / 7 AA	231
Phosphosite 2:	HIPK2	Q9H2X6	Y1172	AQFAHQTYISASPAS	100 / 6 AA	131
Phosphosite 3:	NXF1	Q9UBU9	Y337	TFRDQSTYISAIRER	100 / 6 AA	70
Phosphosite 4:	MCM7	P33993	S602	SKDATYTSARTLLAI	66 / 9 AA	81
Phosphosite 5:	NXF1	Q9UBU9	S339	RDQSTYISAIRERFP	100 / 6 AA	70
Phosphosite 6:	MSL2L1	Q9HCI7	S12	NATALYISASRLVLN	85 / 7 AA	63
Phosphosite 7:	MYST4	Q8WYB5	T418	TKITTTSTYISASTL	100 / 6 AA	231
Phosphosite 8:	ZNF506	Q5JVG8	S296	KCGKAFISSSTLTKH	62 / 8 AA	52
Phosphosite 9:	ZNF91	Q05481	S1061	ECGKAFISSSTLNGH	62 / 8 AA	137
Phosphosite 10:	ZNF91	Q05481	S1062	CGKAFISSSTLNGHK	62 / 8 AA	137
Phosphosite 11:	ZNF91	Q05481	S1063	GKAFISSSTLNGHKR	71 / 7 AA	137
Phosphosite 12:	ZNF506	Q5JVG8	S298	GKAFISSSTLTKHEI	71 / 7 AA	52
Phosphosite 13:	ZNF506	Q5JVG8	S297	CGKAFISSSTLTKHE	71 / 7 AA	52
Phosphosite 14:	PTPRR	Q15256	Y446	VTDSLSTYINANYIR	71 / 7 AA	74
Phosphosite 15:	ZNF638	Q14966	S770	TLESKKVSASTLKRD	66 / 9 AA	221
Phosphosite 16:	IRGM	A1A4Y4	T48	DSGNGMSTFISALRN	83 / 6 AA	20
Phosphosite 17:	IRGM	A1A4Y4	S51	NGMSTFISALRNTGH	83 / 6 AA	20
Phosphosite 18:	MPPED2	Q15777	Y267	MTDGYTTYINASTCT	71 / 7 AA	33
Phosphosite 19:	CD97	P48960	Y352	LPKGPFTYISPSNTE	83 / 6 AA	92
Phosphosite 20:	C1orf25	Q7Z2T5	S220	KSSYIAASTAKPPKE	83 / 6 AA	82