2J7N

Structure of the RNAi polymerase from Neurospora crassa


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1100 MM TRISHCL PH 7.5, 150 MM NACL, 8% PEG 6000, AND 5 MM MGCL2.
Crystal Properties
Matthews coefficientSolvent content
3.0158.8

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 101.021α = 90
b = 122.553β = 108.9
c = 114.701γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-rayCCDMARRESEARCHMSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRF BEAMLINE BM14ESRFBM14

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)Net I Over Average Sigma (I)RedundancyNumber Reflections (All)Number Reflections (Observed)Observed Criterion Sigma (F)Observed Criterion Sigma (I)B (Isotropic) From Wilson Plot
12.32097.90.118.215.3114252
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.32.381001.3

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMADTHROUGHOUT2.319.98108414574897.70.2190.2170.264RANDOM51.92
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]
0.03-0.090.55-0.63
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg32.665
r_dihedral_angle_4_deg20.136
r_dihedral_angle_3_deg19.02
r_dihedral_angle_1_deg9.063
r_scangle_it2.085
r_angle_refined_deg1.524
r_scbond_it1.34
r_mcangle_it0.966
r_mcbond_it0.568
r_symmetry_hbond_refined0.393
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg32.665
r_dihedral_angle_4_deg20.136
r_dihedral_angle_3_deg19.02
r_dihedral_angle_1_deg9.063
r_scangle_it2.085
r_angle_refined_deg1.524
r_scbond_it1.34
r_mcangle_it0.966
r_mcbond_it0.568
r_symmetry_hbond_refined0.393
r_nbtor_refined0.328
r_nbd_refined0.271
r_symmetry_vdw_refined0.251
r_xyhbond_nbd_refined0.23
r_chiral_restr0.109
r_bond_refined_d0.013
r_gen_planes_refined0.005
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_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 AtomsNumber
Protein Atoms15018
Nucleic Acid Atoms
Solvent Atoms920
Heterogen Atoms7

Software

Software
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
SnBphasing
SOLVEphasing
REFMACrefinement