X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7.8
Temperature 290.0
Details PEG4000, pH 7.8, VAPOR DIFFUSION, HANGING DROP, temperature 290K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 48.7 α = 90
b = 80.36 β = 90
c = 125.1 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 110
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS IV Yale mirrors 1999-10-10
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RU300 1.5418 -- --

Data Collection

Overall
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
2.4 40 99.0 0.027 -- -- -- -- 19718 -- 0.0 45.0
High Resolution Shell
Resolution (High) Resolution (Low) Percent Possible (All) R Merge I (Observed) R-Sym I (Observed) Mean I Over Sigma (Observed) Redundancy Number Unique Reflections (All)
2.4 2.53 98.3 0.116 -- 10.6 -- --

Refinement

Statistics
Structure Solution Method Refinement High Resolution Refinement Low Resolution Cut-off Sigma (I) Cut-off Sigma (F) Number of Reflections (All) Number of Reflections (Observed) Number of Reflections (R-Free) Percent Reflections (Observed) R-Factor (All) R-Factor (Observed) R-Work R-Free R-Free Selection Details
MOLECULAR REPLACEMENT 2.4 38.35 -- 0.0 18630 18630 1053 100.0 0.2391 0.23917 0.23532 0.3079 RANDOM
High Resolution Shell
Refinement method Shell Resolution (High) Shell Resolution (Low) # of Reflections (Observed) # of Reflections (R-Free) # of Reflections (R-Work) R-Factor (R-Work) R-Factor (R-Free) R-Factor (R-Free Error) Percent Reflections (Observed)
X Ray Diffraction 2.4 2.462 -- 68 1352 0.269 0.391 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 26.887
Anisotropic B[1][1] 3.18
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -0.74
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -2.44
RMS Deviations
Key Refinement Restraint Deviation
r_scangle_it 6.68
r_scbond_it 5.465
r_bond_refined_d 0.018
r_angle_refined_deg 1.906
r_dihedral_angle_1_deg 7.934
r_dihedral_angle_3_deg 21.844
r_chiral_restr 0.164
r_gen_planes_refined 0.003
r_nbd_refined 0.286
r_xyhbond_nbd_refined 0.15
r_symmetry_vdw_refined 0.341
r_symmetry_hbond_refined 0.27
r_mcbond_it 2.728
r_mcangle_it 4.008
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3352
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 19

Software

Computing
Computing Package Purpose
MOSFLM Data Reduction (intensity integration)
CCP4 (SCALA) Data Reduction (data scaling)
CNS Structure Solution
REFMAC 5 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.0 refinement
CNS model building
SCALA data reduction
MOSFLM data collection