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:	HDAC1
Human P-Site:	S421
P-Site Sequence:	IACEEEFSDSEEEGE
UniProt:	Q13547
Intern. Prot. ID:	IPI00013774

Protein Phosphosite Match	Human Protein Short Name	Human UniProt. ID	Phosphosite Number	Sequence	% Identity / # AA	Target Size kDa
Phosphosite 0:	HDAC1	Q13547	S421	IACEEEFSDSEEEGE	100 / 9 AA	55
Phosphosite 1:	HDAC2	Q92769	S422	IACDEEFSDSEDEGE	77 / 9 AA	55
Phosphosite 2:	HDAC1	Q13547	S423	CEEEFSDSEEEGEGG	100 / 7 AA	55
Phosphosite 3:	DBX1	A6NMT0	S326	PGKPSDFSDSEEEEE	85 / 7 AA	37
Phosphosite 4:	HDAC2	Q92769	S424	CDEEFSDSEDEGEGG	85 / 7 AA	55
Phosphosite 5:	REST	Q13127	S85	PVGDNNFSDSEEGEG	66 / 9 AA	122
Phosphosite 6:	PHAX	Q9H814	S71	DSSEESFSDSDDDSC	66 / 9 AA	44
Phosphosite 7:	LEMD3	Q9Y2U8	S259	YSCRENYSDSEEEDD	75 / 8 AA	100
Phosphosite 8:	DBX1	A6NMT0	S328	KPSDFSDSEEEEEGE	85 / 7 AA	37
Phosphosite 9:	SORBS2	O94875	S596	PRAHVEFSDSDQDGV	71 / 7 AA	72
Phosphosite 10:	N4BP1	O75113	S290	QKRRFSDSEERHTKK	100 / 6 AA	100
Phosphosite 11:	N4BP1	O75113	S288	ICQKRRFSDSEERHT	100 / 6 AA	100
Phosphosite 12:	RBM20	Q5T481	S876	QEKEAEFSDPENTRT	75 / 8 AA	122
Phosphosite 13:	CELF3	Q5SZQ8	T392	YHLPQEFTDSEILQM	71 / 7 AA	51
Phosphosite 14:	REST	Q13127	S87	GDNNFSDSEEGEGLE	100 / 6 AA	122
Phosphosite 15:	SLC22A15	Q8IZD6	Y537	SEEEEEFYDADEETQ	66 / 9 AA	61
Phosphosite 16:	SORBS2	O94875	S598	AHVEFSDSDQDGVVS	71 / 7 AA	72
Phosphosite 17:	PITPNM1	O00562	S360	AHEGFSDSEEVFPKE	100 / 6 AA	135
Phosphosite 18:	L1TD1	Q5T7N2	S382	ETQEEEFSELEELDE	77 / 9 AA	99
Phosphosite 19:	WASF2	Q9Y6W5	S482	RRIAVEYSDSEDDSS	71 / 7 AA	54
Phosphosite 20:	WASF1	Q92558	S544	RRIAVEYSDSEDDSE	71 / 7 AA	62