1ZR3

Crystal structure of the macro-domain of human core histone variant macroH2A1.1 (form B)

X-RAY DIFFRACTION

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Starting Model(s)

Initial Refinement Model(s)
Type	Source	Accession Code	Details
experimental model	PDB	1ZQ0	PDP ID 1ZQ0

Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	Microbridge	6.5	298	22% PEG 1000 0.1 M Mes pH6.5, Microbridge, temperature 298K

Crystal Properties
Matthews coefficient	Solvent content
1.8	31.9

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 80.9	α = 90
b = 89.2	β = 90
c = 92.73	γ = 90

Symmetry
Space Group	P 21 21 21

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100	CCD	ADSC QUANTUM 4		2005-02-05	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID14-4	0.953720	ESRF	ID14-4

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Sym I (Observed)	Net I Over Average Sigma (I)	Redundancy	Number Reflections (All)	Number Reflections (Observed)	Observed Criterion Sigma (F)	Observed Criterion Sigma (I)	B (Isotropic) From Wilson Plot
1	1.66	64.28		0.054	21.06	7.2	79853	78100	-3	-3

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	1.66	1.76	86.4		0.484	2.41	3

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	MOLECULAR REPLACEMENT	THROUGHOUT	PDP ID 1ZQ0	1.66	64.28	74190	74190	3905	100	0.19034	0.18819	0.23166	RANDOM	31.026

Temperature Factor Modeling
Anisotropic B[1][1]	Anisotropic B[1][2]	Anisotropic B[1][3]	Anisotropic B[2][2]	Anisotropic B[2][3]	Anisotropic B[3][3]
-0.1			0.4		-0.3

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.665
r_dihedral_angle_4_deg	24.262
r_dihedral_angle_3_deg	15.065
r_dihedral_angle_1_deg	6.216
r_scangle_it	4.275
r_scbond_it	2.799
r_angle_refined_deg	1.792
r_mcangle_it	1.586
r_mcbond_it	0.999
r_angle_other_deg	0.833
r_symmetry_vdw_refined	0.382
r_mcbond_other	0.288
r_nbd_refined	0.235
r_symmetry_vdw_other	0.228
r_nbtor_refined	0.202
r_symmetry_hbond_refined	0.194
r_nbd_other	0.187
r_xyhbond_nbd_refined	0.154
r_chiral_restr	0.15
r_nbtor_other	0.095
r_bond_refined_d	0.021
r_gen_planes_refined	0.007
r_bond_other_d	0.004
r_gen_planes_other	0.001
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	5567
Nucleic Acid Atoms
Solvent Atoms	447
Heterogen Atoms	12

Software

Software
Software Name	Purpose
REFMAC	refinement
XDS	data reduction
XDS	data scaling
PHASER	phasing