2QM4

Crystal structure of human XLF/Cernunnos, a non-homologous end-joining factor

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1	VAPOR DIFFUSION, HANGING DROP	6.5	291	23% PEG 6000, 0.1M Bis-Tris-Propane, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 291.0K

Crystal Properties
Matthews coefficient	Solvent content
2.72	54.82

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 63.736	α = 90
b = 92.913	β = 106.22
c = 103.693	γ = 90

Symmetry
Space Group	P 1 21 1

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 315	toroidal mirror is curved by a pneumatically operated bending mechanism and focusses the beam in both the horizontal and vertica	2007-05-06	M	MAD

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID29	0.9807	ESRF	ID29

Data Collection

Overall
ID #	Resolution (High)	Resolution (Low)	Percent Possible (Observed)	R Merge I (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	2.3	50	99.8	0.079	0.079	12	7.1	51827	51723			43

Highest Resolution Shell
ID #	Resolution (High)	Resolution (Low)	Percent Possible (All)	Percent Possible (Observed)	R Merge I (Observed)	R-Sym I (Observed)	Mean I Over Sigma (Observed)	Redundancy	Number Unique Reflections (All)
1	2.3	2.35	99.6		0.302	0.0302		6.3	3438

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Resolution (High)	Resolution (Low)	Number Reflections (All)	Number Reflections (Observed)	Number Reflections (R-Free)	Percent Reflections (Observed)	R-Factor (All)	R-Factor (Observed)	R-Work	R-Free	R-Free Selection Details	Mean Isotropic B
X-RAY DIFFRACTION	SAD	THROUGHOUT	2.3	37.01	45931	45931	2000	100	0.18478	0.18478	0.18238	0.23891	RANDOM	57.743

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]
-0.14		-0.02	0.14

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	37.123
r_dihedral_angle_3_deg	17.955
r_dihedral_angle_4_deg	16.373
r_dihedral_angle_1_deg	6.134
r_scangle_it	4.245
r_mcangle_it	3.512
r_scbond_it	3.174
r_mcbond_it	2.543
r_angle_refined_deg	1.431
r_nbtor_refined	0.29
r_symmetry_hbond_refined	0.216
r_nbd_refined	0.207
r_symmetry_vdw_refined	0.194
r_xyhbond_nbd_refined	0.165
r_chiral_restr	0.094
r_bond_refined_d	0.013
r_gen_planes_refined	0.004
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	7113
Nucleic Acid Atoms
Solvent Atoms	232
Heterogen Atoms

Software

Software
Software Name	Purpose
REFMAC	refinement
ProDC	data collection
DENZO	data reduction
SCALEPACK	data scaling
PHENIX	phasing