X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 3.8
Details PEG 8K 28%, 150MM AS, 10MM NACL PH 3.8, [P]=2.65MG/NL

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 64.05 α = 90
b = 48.92 β = 102.63
c = 123.55 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC BENT MIRROR 1999-09-15
Diffraction Radiation
Monochromator Protocol
SI(111) MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-4 0.978, 0.9795, 0.9324, 0.933 ESRF ID14-4

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 30 97.1 -- 0.6 -- 2.4 -- 89441 -- 0.0 23.77
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 1.64 94.0 -- 0.31 2.1 2.0 --

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
MAD 1.63 15.0 -- 0.0 -- 88875 2202 96.0 -- 0.194 0.194 0.234 RANDOM
RMS Deviations
Key Refinement Restraint Deviation
p_planar_tor 3.9
p_mcbond_it 1.829
p_singtor_nbd 0.187
p_scangle_it 3.96
p_angle_d 0.029
p_transverse_tor 25.3
p_scbond_it 2.853
p_bond_d 0.012
p_planar_d 0.036
p_xyhbond_nbd 0.122
p_staggered_tor 15.4
p_special_tor 15.0
p_mcangle_it 2.535
p_multtor_nbd 0.252
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4753
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 703

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
CCP4 (SCALA) Data Reduction (data scaling)
SOLVE Structure Solution
REFMAC Structure Refinement
Software
Software Name Purpose
SOLVE model building
REFMAC refinement