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:	HDAC4
Human P-Site:	S209
P-Site Sequence:	WYGKTQHSSLDQSSP
UniProt:	P56524
Intern. Prot. ID:	IPI00010088

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	HDAC4	P56524	S209	WYGKTQHSSLDQSSP	100 / 9 AA	119
Phosphosite 1:	HDAC4	P56524	S210	YGKTQHSSLDQSSPP	100 / 8 AA	119
Phosphosite 2:	STX1A	Q16623	S121	RIRKTQHSTLSRKFV	66 / 9 AA	33
Phosphosite 3:	STX1B	P61266	S120	RIRKTQHSTLSRKFV	66 / 9 AA	33
Phosphosite 4:	SETD1A	O15047	S487	VPFAQHSSLDSRIEM	85 / 7 AA	186
Phosphosite 5:	SETD1A	O15047	S486	SVPFAQHSSLDSRIE	85 / 7 AA	186
Phosphosite 6:	PSD2	Q9BQI7	Y155	ELLRGTQYSSLDSLD	85 / 7 AA	85
Phosphosite 7:	PSD2	Q9BQI7	S156	LLRGTQYSSLDSLDG	85 / 7 AA	85
Phosphosite 8:	PSD2	Q9BQI7	S157	LRGTQYSSLDSLDGL	85 / 7 AA	85
Phosphosite 9:	HDAC5	Q9UQL6	S220	CWGAHHASLDQSSPP	62 / 8 AA	122
Phosphosite 10:	RFX2	P48378	S580	LTLQQQSSLDQWASW	85 / 7 AA	80
Phosphosite 11:	HDAC9	Q9UKV0	S184	YTAAHHTSLDQSSPP	62 / 8 AA	111
Phosphosite 12:	RCAS1	O00559	S86	NVATQQNSLEQLEPD	62 / 8 AA	24
Phosphosite 13:	ZNF829	Q3KNS6	S309	GKAFTQHSRLIQHQR	75 / 8 AA	50
Phosphosite 14:	ELMO1	Q92556	S498	ALTTKPSSLDQFKSK	75 / 8 AA	84
Phosphosite 15:	ELMO1	Q92556	S497	RALTTKPSSLDQFKS	75 / 8 AA	84
Phosphosite 16:	ZNF501	Q96CX3	S35	GKFFTQRSSLTQHQR	75 / 8 AA	31
Phosphosite 17:	ZNF397	Q8NF99	S298	GHSFKQHSSLTQHQR	85 / 7 AA	61
Phosphosite 18:	SPATA3	Q8NHX4	S50	ESTPQHSSLETTSRQ	83 / 6 AA	20
Phosphosite 19:	SPATA3	Q8NHX4	S49	PESTPQHSSLETTSR	83 / 6 AA	20
Phosphosite 20:	SLC4A1	P02730	S194	PLLPQHSSLETQLFC	83 / 6 AA	102