X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Batch
pH 4.7
Temperature 295.0
Details HEWL co-crystallized with 150 mM excess N-acetylglucosamine in 1 mL 0.05 M sodium acetate and 1 mL 10% sodium chloride, pH 4.7, BATCH, temperature 295K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 78.38 α = 90
b = 78.38 β = 90
c = 36.58 γ = 90
Symmetry
Space Group P 43 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS IV Osmic Confocal Max-Flux, blue configuration 2011-02-01
Diffraction Radiation
Monochromator Protocol
confocal mirror optics SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU MICROMAX-007 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 19.59 84.8 0.147 -- -- 12.1 4120 3494 4.0 2.0 --
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 2.48 97.3 0.607 -- 4.02 12.8 --

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 2.48 19.59 2.0 4.0 4120 3494 164 84.0 -- 0.20401 0.20018 0.28508 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 2.48 2.543 -- 7 256 0.268 0.736 -- 100.0
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 29.955
Anisotropic B[1][1] -0.15
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -0.15
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.3
RMS Deviations
Key Refinement Restraint Deviation
r_gen_planes_other 0.001
r_gen_planes_refined 0.006
r_chiral_restr 0.085
r_dihedral_angle_4_deg 20.015
r_dihedral_angle_3_deg 16.44
r_dihedral_angle_2_deg 35.987
r_dihedral_angle_1_deg 7.012
r_angle_other_deg 0.953
r_angle_refined_deg 2.377
r_bond_other_d 0.001
r_bond_refined_d 0.013
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1001
Nucleic Acid Atoms 0
Heterogen Atoms 15
Solvent Atoms 23

Software

Computing
Computing Package Purpose
CrystalClear Data Collection
EVAL 15 Data Reduction (intensity integration)
EVAL 15 Data Reduction (data scaling)
Phaser MR Structure Solution
REFMAC 5.6.0117 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.6.0117 refinement
Phaser version: MR model building
CrystalClear data collection