X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 8.5
Temperature 292.0
Details PEG 4000, Tris-HCl, acetate, pH 8.5, VAPOR DIFFUSION, HANGING DROP, temperature 292K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 79.14 α = 90
b = 52.8 β = 103.43
c = 36.64 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH MIRROR 1998-07-23
Diffraction Radiation
Monochromator Protocol
SILICON 111 SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X9B -- NSLS X9B

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
1.5 20 97.7 0.084 -- -- 3.6 23029 23029 0.0 0.0 23.7
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)
1.5 1.55 85.4 0.589 -- 1.97 3.1 2003

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 1.5 20.0 2.0 4.0 21914 16387 1114 93.5 -- 0.1905 0.1886 0.2625 RANDOM
RMS Deviations
Key Refinement Restraint Deviation
s_bond_d 0.007
s_from_restr_planes 0.026
s_zero_chiral_vol 0.041
s_similar_adp_cmpnt 0.052
s_angle_d 0.022
s_non_zero_chiral_vol 0.045
s_rigid_bond_adp_cmpnt 0.0
s_similar_dist 0.0
s_approx_iso_adps 0.0
s_anti_bump_dis_restr 0.025
Coordinate Error
Parameter Value
Number Disordered Residues 3.0
Occupancy Sum Hydrogen 0.0
Occupancy Sum Non Hydrogen 1523.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1267
Nucleic Acid Atoms 0
Heterogen Atoms 33
Solvent Atoms 258

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
AMORE Structure Solution
SHELXL-97 Structure Refinement
Software
Software Name Purpose
AMORE model building
SHELXL-97 refinement