X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 4.5
Temperature 293.0
Details PEG 300, Sodium acetate, pH 4.5, VAPOR DIFFUSION, SITTING DROP, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 80.04 α = 90
b = 92.58 β = 90
c = 36.74 γ = 90
Symmetry
Space Group C 2 2 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD MACSCIENCE -- 2002-12-05
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE BM14 1.024 ESRF BM14

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
1.92 31.47 99.91 -- -- -- -- -- 10912 2.0 2.0 22.876
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)
1.92 1.97 98.5 -- -- -- -- --

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 1.92 31.47 -- 2.0 -- 9756 1033 99.91 -- 0.19484 0.19064 0.23383 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 1.92 1.97 -- 67 710 0.249 0.303 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 22.876
Anisotropic B[1][1] 1.6
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -1.46
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.14
RMS Deviations
Key Refinement Restraint Deviation
r_nbd_other 0.255
r_symmetry_vdw_refined 0.296
r_scbond_it 2.72
r_bond_refined_d 0.019
r_angle_other_deg 0.974
r_chiral_restr 0.128
r_xyhbond_nbd_refined 0.211
r_gen_planes_other 0.025
r_nbd_refined 0.262
r_mcbond_it 1.088
r_gen_planes_refined 0.015
r_mcangle_it 1.902
r_bond_other_d 0.003
r_nbtor_other 0.089
r_dihedral_angle_1_deg 6.062
r_scangle_it 4.676
r_symmetry_hbond_refined 0.435
r_angle_refined_deg 2.237
r_symmetry_vdw_other 0.353
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 928
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 79

Software

Software
Software Name Purpose
REFMAC refinement version: 5.1.27
MOSFLM data reduction
CCP4 data scaling version: (SCALA)
MOLREP phasing