X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 4.5
Temperature 294.0
Details 40% SATURATED AMMONIUM SULFATE, 0.1 M SODIUM ACETATE, pH 4.5, temperature 294.K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 46.2 α = 90
b = 93.9 β = 90
c = 104.6 γ = 90
Symmetry
Space Group I 2 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 127
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU -- 1998-10-23
Diffraction Radiation
Monochromator Protocol
GRAPHITE SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RU200 -- -- --

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 10 82.4 0.052 -- -- 5.5 167399 30427 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)
1.5 1.53 4.0 0.103 -- -- 1.0 --

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 1.51 10.0 0.0 0.0 30289 30289 3029 84.5 0.166 0.162 0.169 0.225 RANDOM
RMS Deviations
Key Refinement Restraint Deviation
s_angle_d 0.02
s_anti_bump_dis_restr 0.02
s_zero_chiral_vol 0.04
s_non_zero_chiral_vol 0.05
s_similar_adp_cmpnt 0.06
s_from_restr_planes 0.031
s_bond_d 0.0
s_rigid_bond_adp_cmpnt 0.0
s_similar_dist 0.0
s_approx_iso_adps 0.0
Coordinate Error
Parameter Value
Occupancy Sum Hydrogen 1695.0
Occupancy Sum Non Hydrogen 2129.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1778
Nucleic Acid Atoms 0
Heterogen Atoms 32
Solvent Atoms 320

Software

Software
Software Name Purpose
X-PLOR model building
SHELXL-97 refinement
DENZO data reduction
SCALEPACK data scaling
X-PLOR phasing