X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 4.6
Temperature 294.0
Details sodium formate, ammonium, acetate, pH 4.6, VAPOR DIFFUSION, HANGING DROP at 294K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 114.27 α = 90
b = 66.01 β = 93.27
c = 73.12 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 -- 2000-11-27
CCD ADSC QUANTUM 4 -- 2000-11-06
Diffraction Radiation
Monochromator Protocol
Double-crystal monochromator SINGLE WAVELENGTH
Double-crystal monochromator SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X26C 1.100 NSLS X26C
SYNCHROTRON NSLS BEAMLINE X26C 1.100 NSLS X26C

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
1.6 50 90.9 -- 0.116 -- 3.7 71681 64743 0.0 0.0 --
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)
1.6 1.66 46.3 -- 0.283 1.9 -- --

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 1.6 20.0 -- 0.0 64743 62069 2623 90.3 0.1418 0.14816 0.14676 0.18279 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model Isotropic
Mean Isotropic B 18.828
Anisotropic B[1][1] -0.48
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.26
Anisotropic B[2][2] -0.36
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.87
RMS Deviations
Key Refinement Restraint Deviation
p_scangle_it 8.113
p_scbond_it 4.845
p_mcangle_it 3.286
p_mcbond_it 2.003
p_angle_d 1.399
p_bond_d 0.013
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3861
Nucleic Acid Atoms 0
Heterogen Atoms 4
Solvent Atoms 770

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
AMORE Structure Solution
REFMAC Structure Refinement
Software
Software Name Purpose
REFMAC refinement
AMoRE model building