X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 6.2
Details HANGING DROP VAPOR DIFFUSION; 12MGS/ML PROTEIN/NOVOBIOCIN MIXED WITH EQUAL VOLUME OF RESERVOIR SOLUTION (12% V/V PEG200, 100MM MES PH6.2), vapor diffusion - hanging drop

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 39.5 α = 90
b = 47.72 β = 90
c = 114.41 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH VERTICALLY FOCUSSED PT-COATED MIRROR 1996-06
Diffraction Radiation
Monochromator Protocol
SI(111) --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SRS BEAMLINE PX9.6 -- SRS PX9.6

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
2.3 19.8 94.8 0.065 0.065 -- 5.1 -- 9455 -- 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)
2.3 2.38 97.0 0.131 0.131 5.6 5.2 --

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
DIFFERENCE FOURIER 2.3 19.8 -- 0.0 9455 9455 999 95.0 0.206 0.206 0.195 0.29 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model TNT BCORREL
RMS Deviations
Key Refinement Restraint Deviation
t_gen_planes 0.015
t_angle_deg 1.366
t_trig_c_planes 0.01
t_bond_d 0.012
t_dihedral_angle_d 18.9
t_it 2.1
t_nbd 0.051
t_incorr_chiral_ct 0.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1459
Nucleic Acid Atoms 0
Heterogen Atoms 44
Solvent Atoms 89

Software

Computing
Computing Package Purpose
MOSFLM Data Reduction (intensity integration)
CCP4 Data Reduction (data scaling)
CCP4 Structure Solution
TNT V. 5-D Structure Refinement
Software
Software Name Purpose
CCP4 model building
TNT version: 5D refinement