X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6
Details 0.2 M CACODYLIC ACID PH6, 7% PEG 6000, 2% BENZAMIDINE HCL, pH 6.00

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 80.87 α = 90
b = 82.42 β = 90
c = 117.52 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 110
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE -- -- 2003-04-30
Diffraction Radiation
Monochromator Protocol
-- MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X8C -- NSLS X8C

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
1.84 50 99.2 0.07 -- -- 7.5 -- 68243 -- 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)
1.84 1.91 99.5 0.41 -- 4.1 -- --

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 1.9 19.68 -- -- -- 57750 3069 100.0 -- 0.192 0.191 0.23 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 1.95 -- 224 3929 0.197 0.266 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 22.27
Anisotropic B[1][1] 0.0
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.0
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.0
RMS Deviations
Key Refinement Restraint Deviation
r_dihedral_angle_3_deg 13.781
r_mcbond_it 1.043
r_mcangle_it 1.501
r_nbd_refined 0.213
r_dihedral_angle_2_deg 32.612
r_dihedral_angle_4_deg 18.328
r_symmetry_hbond_refined 0.111
r_gen_planes_refined 0.006
r_angle_refined_deg 1.411
r_nbtor_refined 0.302
r_dihedral_angle_1_deg 5.351
r_bond_refined_d 0.015
r_scangle_it 3.843
r_scbond_it 2.432
r_symmetry_vdw_refined 0.183
r_chiral_restr 0.096
r_xyhbond_nbd_refined 0.118
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4894
Nucleic Acid Atoms 0
Heterogen Atoms 39
Solvent Atoms 242

Software

Software
Software Name Purpose
REFMAC refinement version: 5.2.0005
DENZO data reduction
SCALEPACK data scaling
SOLVE phasing