3BTY

Crystal structure of human ABH2 bound to dsDNA containing 1meA through cross-linking away from active site

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.5	277	8% PEG 8000, 0.1M sodium chloride, 0.05M magnesium chloride, 0.1M cacodylate, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Properties
Matthews coefficient	Solvent content
3.19	61.43

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 77.915	α = 90
b = 77.915	β = 90
c = 226.04	γ = 120

Symmetry
Space Group	P 65 2 2

Diffraction

Diffraction Experiment
ID #	Crystal ID	Scattering Type	Data Collection Temperature	Detector	Detector Type	Details	Collection Date	Monochromator	Protocol
1	1	x-ray	100					M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	APS BEAMLINE 19-BM		APS	19-BM

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge 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	2.35	50	95.6	0.052	30	14.5	17062	17062

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.35	2.39	100		0.675	2.2	13.3	860

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	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	2.35	20	16153	874	96.05	0.22518	0.22337	0.25893	RANDOM	50.67

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]
-1.76	-0.88		-1.76		2.63

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	29.429
r_dihedral_angle_3_deg	12.703
r_dihedral_angle_4_deg	12.192
r_dihedral_angle_1_deg	5.603
r_scangle_it	1.184
r_angle_refined_deg	1.116
r_scbond_it	0.688
r_mcangle_it	0.44
r_nbtor_refined	0.293
r_mcbond_it	0.25
r_nbd_refined	0.165
r_symmetry_vdw_refined	0.138
r_xyhbond_nbd_refined	0.134
r_symmetry_hbond_refined	0.108
r_chiral_restr	0.063
r_bond_refined_d	0.006
r_gen_planes_refined	0.003
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_other
r_nbtor_other
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	1617
Nucleic Acid Atoms	526
Solvent Atoms	124
Heterogen Atoms	4

Software

Software
Software Name	Purpose
REFMAC	refinement
HKL-2000	data reduction
HKL-2000	data scaling
PHASES	phasing