2VBO

Molecular basis of human XPC gene recognition and cleavage by engineered homing endonuclease heterodimers

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		4.5		pH 4.5

Crystal Properties
Matthews coefficient	Solvent content
2.25	44.87

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 45.993	α = 90
b = 67.95	β = 90.1
c = 76.629	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	MARRESEARCH			M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	SLS BEAMLINE X06SA		SLS	X06SA

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	1.8	39.46	94.6	0.07		2.9		41668		2

Refinement

Statistics
Diffraction ID	Structure Solution Method	Cross Validation method	Starting model	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	PDB ENTRY 1G9Z	1.8	39.47	41668	2206	100	0.153	0.15	0.225	RANDOM	28.31

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]
-0.13		-0.12	0.18		-0.05

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	36.477
r_dihedral_angle_4_deg	25.893
r_dihedral_angle_3_deg	15.414
r_dihedral_angle_1_deg	7.899
r_scangle_it	7.189
r_scbond_it	5.874
r_mcangle_it	4.344
r_mcbond_it	3.151
r_angle_refined_deg	2.077
r_symmetry_hbond_refined	0.539
r_nbtor_refined	0.323
r_xyhbond_nbd_refined	0.308
r_nbd_refined	0.265
r_symmetry_vdw_refined	0.181
r_chiral_restr	0.127
r_metal_ion_refined	0.102
r_bond_refined_d	0.011
r_gen_planes_refined	0.009
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_other
r_symmetry_vdw_other
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_mcangle_other
r_scbond_other
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded

Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms	Number
Protein Atoms	2457
Nucleic Acid Atoms	978
Solvent Atoms	349
Heterogen Atoms	4

Software

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