X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Microbatch
pH 7.3
Temperature 277.0
Details PEG8000, HEPES, pH 7.3, micro batch, temperature 277K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 30.12 α = 90
b = 76.4 β = 99.5
c = 45.91 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 277
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU RAXIS IIC -- 1998-08-20
Diffraction Radiation
Monochromator Protocol
MIRRORS SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RU200H 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
1.9 60 95.7 0.033 -- -- -- 16219 15522 -- 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)
1.9 1.93 90.8 0.177 -- -- -- --

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 1.9 15.0 -- 0.0 -- 14603 765 95.0 -- 0.18326 0.18147 0.21706 RANDOM
High Resolution Shell
Refinement method Shell Resolution (High) Shell Resolution (Low) # of Reflections (Observed) # of Reflections (R-Free) # of Reflections (R-Work) R-Factor (R-Work) R-Factor (R-Free) R-Factor (R-Free Error) Percent Reflections (Observed)
X Ray Diffraction 1.9 1.949 -- 57 955 0.237 0.316 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 26.848
Anisotropic B[1][1] -0.67
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.15
Anisotropic B[2][2] 1.12
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.4
RMS Deviations
Key Refinement Restraint Deviation
r_dihedral_angle_2_deg 20.814
r_angle_refined_deg 2.199
r_symmetry_vdw_refined 0.22
r_symmetry_hbond_refined 0.149
r_scangle_it 7.595
r_dihedral_angle_1_deg 5.298
r_bond_refined_d 0.026
r_scbond_it 4.801
r_mcbond_it 1.61
r_gen_planes_refined 0.011
r_nbd_refined 0.247
r_xyhbond_nbd_refined 0.142
r_chiral_restr 0.221
r_mcangle_it 2.951
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1564
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 81

Software

Software
Software Name Purpose
DENZO data reduction
SCALEPACK data scaling
X-PLOR model building
REFMAC refinement version: 5.0
X-PLOR phasing