X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7
Details CRYSTALLIZATION CONDITIONS: PROTEIN WAS CRYSTALLIZED FROM 20% PEG 4000, 100 MM PH 7.0, THEN SOAKED IN 1MM IODOBENZYL GLUTATHIONE

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 155.3 α = 90
b = 156.1 β = 90
c = 101.3 γ = 90
Symmetry
Space Group P 21 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 77
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 1997-04-17
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SSRL BEAMLINE BL9-1 -- SSRL BL9-1

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
2.7 160 86.0 -- 0.11 -- 8.7 -- 75834 -- -3.0 --
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)
2.7 2.8 99.8 -- 0.41 3.5 3.9 --

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 2.7 160.0 -- 2.0 -- 58800 3294 0.86 -- 0.25 0.248 0.26 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model TNT BCORREL V1.0
RMS Deviations
Key Refinement Restraint Deviation
t_nbd 0.03
t_it 5.97
t_gen_planes 0.016
t_trig_c_planes 0.021
t_incorr_chiral_ct 0.0
t_dihedral_angle_d 15.5
t_angle_deg 2.77
t_bond_d 0.019
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 14440
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 216

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
AMORE Structure Solution
TNT V. 5-E Structure Refinement
Software
Software Name Purpose
TNT version: 5E refinement
AMORE model building
SCALEPACK data reduction
DENZO data collection