Table 1.

Nucleosomal X-ray crystal structures

Variant/Ligand	Histone species	DNA length	DNA sequence	References
NCPs differing in histone content
Major histones	Frog	146	α-satellite	[13,25]
Major histones	Chicken	146	α-satellite	[55]
Major histones	Yeast	146	α-satellite	[56]
Major histones	Human	146	α-satellite	[57]
Major histones	Fly	147	α-satellite	[58]
H2A.Z	Frog/Mouse	146	α-satellite	[59]
macroH2A	Mouse/Human	146	α-satellite	[60]
H3T	Human	146	α-satellite	[61]
Sin mutants	Frog	146	α-satellite	[62]
Methylated H3/H4	Frog	146	α-satellite	[63]
H3K56Q/E	Frog	146	α-satellite	[64]
NCPs differing in DNA fragment
Distinct sequence	Frog	146	α-satellite (type 2)	[25]
Length	Frog	147	α-satellite	[25,26]
Length	Frog	145	α-satellite	[27]
A16, MRE	Frog	147	α-satellite-based*	[65]
TTTAA elements	Frog	147	α-satellite-based	[39]
Strong positioning	Frog	145	601*	[24]
NCP in complex with small molecules
Polyamides	Frog	146	α-satellite	[14]
Polyamide dimer	Frog	146	α-satellite	[15]
LANA peptide	Frog	146	α-satellite	[20]
Platinum drugs	Frog	147	α-satellite	[41]
Intercalating agent	Frog	145	α-satellite	[29]
MnCl2, MnSO4	Frog	147	α-satellite	[49,50]
Co2+, Ni2+	Frog	147	α-satellite	[44]
Rb+, Cs+	Frog	147	α-satellite	[44]
NCP in complex with protein factors
RCC1	Frog	147	601*	[19]
Higher order structure
Tetranucleosome	Frog	694	601*	[53]

Non-palindromic DNA fragments (*).