X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Soaking
pH 8
Temperature 277.0
Details ammonium sulfate, sodium chloride, p-chloromercuribenzoic acid, tris hcl, pH 8.0, soaking, temperature 277K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 42.39 α = 90
b = 41.53 β = 104.6
c = 72.74 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 103
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS IV mirrors 2004-12-19
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU 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
1.75 20 97.3 -- 0.107 -- 2.2 24268 24268 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)
1.75 1.78 94.7 -- 0.388 2.0 2.2 1184

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
FOURIER SYNTHESIS 1.75 10.0 0.0 0.0 23323 23323 1127 94.0 0.1695 0.1695 0.1683 0.228 RANDOM
RMS Deviations
Key Refinement Restraint Deviation
s_approx_iso_adps 0.0
s_similar_adp_cmpnt 0.073
s_rigid_bond_adp_cmpnt 0.0
s_anti_bump_dis_restr 0.011
s_non_zero_chiral_vol 0.042
s_zero_chiral_vol 0.039
s_from_restr_planes 0.0275
s_similar_dist 0.0
s_angle_d 0.023
s_bond_d 0.007
Coordinate Error
Parameter Value
Number Disordered Residues 1.0
Occupancy Sum Hydrogen 1982.0
Occupancy Sum Non Hydrogen 2238.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2032
Nucleic Acid Atoms 0
Heterogen Atoms 32
Solvent Atoms 173

Software

Computing
Computing Package Purpose
R-AXIS Data Reduction (intensity integration)
HKL-2000 Data Reduction (data scaling)
CNS Structure Solution
SHELXL-97 Structure Refinement
Software
Software Name Purpose
SHELXL-97 refinement
SHELX model building