X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7
Details DIALYSIS OF 2.6 MG/ML PROTEIN AGAINST 25 % (W/W) PEG 8000, 5 MM PLP, 0.1 M PHOSPHATE/CITRATE, PH 7.0, 285 K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 61.6 α = 90
b = 102.2 β = 110.3
c = 77.9 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 285
Diffraction Detector
Detector Diffraction Type Details Collection Date
AREA DETECTOR SIEMENS X1000 COLLIMATOR 1996-06-15
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE SIEMENS -- -- --

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
2.5 10 78.4 0.051 -- -- 1.7 -- 24668 -- -- 30.17
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)
2.5 2.64 47.0 0.096 -- 6.0 1.2 --

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
MOLECULAR REPLACEMENT 2.5 10.0 -- 0.0 -- 24668 1264 78.4 -- -- 0.157 0.214 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 25.19
Anisotropic B[1][1] 7.54
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 2.74
Anisotropic B[2][2] -0.76
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -6.75
RMS Deviations
Key Refinement Restraint Deviation
p_special_tor 0.0
p_transverse_tor 30.7
p_staggered_tor 16.6
p_planar_tor 2.7
p_xyhbond_nbd 0.139
p_multtor_nbd 0.242
p_bond_d 0.006
p_angle_d 0.023
p_planar_d 0.02
p_mcbond_it 0.721
p_mcangle_it 1.307
p_scbond_it 0.738
p_scangle_it 1.287
p_plane_restr 0.0143
p_chiral_restr 0.081
p_singtor_nbd 0.178
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 6472
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 118

Software

Computing
Computing Package Purpose
X-GEN Data Reduction (intensity integration)
CCP4 (SCALA) Data Reduction (data scaling)
AMORE Structure Solution
REFMAC Structure Refinement
Software
Software Name Purpose
REFMAC refinement
AMORE model building