2V0R

crystal structure of a hairpin exchange variant (LTx) of the targeting LINE-1 retrotransposon endonuclease

X-RAY DIFFRACTION

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Crystallization

Crystalization Experiments
ID	Method	pH	Temperature	Details
1		7		pH 7

Crystal Properties
Matthews coefficient	Solvent content
2.26	45.06

Crystal Data

Unit Cell
Length ( Å )	Angle ( ˚ )
a = 54.726	α = 90
b = 70.142	β = 90
c = 130.221	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	287	CCD	ADSC CCD		2000-07-15	M	SINGLE WAVELENGTH

Radiation Source
ID #	Source	Type	Wavelength List	Synchrotron Site	Beamline
1	SYNCHROTRON	ESRF BEAMLINE ID23-1		ESRF	ID23-1

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	2.3	20	99.8	0.11	8.8	3		22873		2

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	2.3	2.4	100		0.488	2.3

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 1VYB	2.3	19.53	21588	1156	99.2	0.217	0.214	0.272	RANDOM	29.81

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]
0.02			-0.04		0.02

RMS Deviations
Key	Refinement Restraint Deviation
r_dihedral_angle_2_deg	41.08
r_dihedral_angle_3_deg	19.624
r_dihedral_angle_4_deg	18.815
r_dihedral_angle_1_deg	11.174
r_scangle_it	3.202
r_scbond_it	2.187
r_angle_refined_deg	1.837
r_mcangle_it	1.665
r_mcbond_it	1.478
r_angle_other_deg	1.135
r_symmetry_vdw_other	0.295
r_symmetry_hbond_refined	0.288
r_symmetry_vdw_refined	0.265
r_xyhbond_nbd_refined	0.233
r_nbd_refined	0.221
r_nbd_other	0.212
r_nbtor_refined	0.171
r_chiral_restr	0.113
r_nbtor_other	0.093
r_bond_refined_d	0.02
r_gen_planes_refined	0.007
r_bond_other_d	0.002
r_gen_planes_other	0.002
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_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	3759
Nucleic Acid Atoms
Solvent Atoms	155
Heterogen Atoms	30

Software

Software
Software Name	Purpose
REFMAC	refinement
MOSFLM	data reduction
SCALA	data scaling
MOLREP	phasing