Table 2.

Sequence variation in human H2A variants

gi number	H2A variant%	#AA	MW#(Da)	6*Q/T**	10 A/V	16 S/T	37−38	40 A/S	51 M/L	87 V/I	99 K/R/G	123/4 H	125	126 A/T	127	128	129
gi|121959	H2AFC/D/I/N/P	129	14002	Q	A	T	GN	A	L	I	K	H	K	A	K	G	K
gi|4504251	H2AFO	129	14006	Q	A	S	GN	A	M	I	K	H	K	A	K	G	K
gi|55930954	H2AFL	129	14016	Q	A	S	GN	A	L	I	R	H	K	A	K	G	K
gi|121978	H2AFG	129	14018	Q	A	T	GN	S	L	I	K	H	K	A	K	G	K
gi|19557656	H2AFM*	129	14046	Q	A	T	GN	S	L	I	R	H	K	A	K	G	K
gi|121986	H2AFM	129	14083	Q	A	T	AH	S	L	I	R	H	K	A	K	G	K
gi|12654707	H2A alt	129	14032	Q	A	S	GN	S	L	I	R	H	K	A	K	G	K
gi|10800144	H2AFE	127	13847	Q	A	T	GN	A	L	I	K	H	K	T	K	Δ	Δ
gi|49659927	H2AFR	128	13899	Q	A	S	GN	A	M	I	K	Δ***	K	A	K	S	K
gi|28195394	H2A_NP_7782.35.1	129	13906	Q	A	S	GN	A	L	V	G	H124K****	P	G	K	N	K
gi|18105045	H2AFS	127	13817	Q	A	T	GN	A	L	I	K	H	K	A	K	Δ	Δ
gi|4504253	H2AFX	142	15055.5	T	A	S	GN	A	L	I	G		X
gi|29553970	H2AFJ.2	128	13930	Q	V	S	GN	A	L	I	K	ΔΔQ	K	T	K	S	K
gi|8922758	H2AFJ.1	150	16020	Q	V	S	GN	A	L	I	K		X
	Less Homology			14	38	127
				A/T	T/S	A/V
gi|4504255	H2AFZ	127	13422	T	T	A
gi|6912616	H2AFV.1	127	13420	A	S	V

^*Residue site

^**Possible amino acid residue at a specific site

^***Mutation site

^****Residue substitution

^%The sequences of H2A variants were retrieved from NHGRI Histone Database.

^#All the H2A MWs (except H2AFZ) were calculated with acetylation at N-terminal serine.