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_chiral_restr 0.085
r_dihedral_angle_1_deg 7.012
r_bond_other_d 0.001
r_bond_refined_d 0.013
r_angle_other_deg 0.953
r_dihedral_angle_4_deg 20.015
r_gen_planes_refined 0.006
r_angle_refined_deg 2.377
r_gen_planes_other 0.001
r_dihedral_angle_3_deg 16.44
r_dihedral_angle_2_deg 35.987
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

Software
Software Name Purpose
CrystalClear data collection
PHASER phasing version: MR
REFMAC refinement version: 5.6.0117
EVAL data reduction version: 15
EVAL data scaling version: 15