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_scangle_it 3.843
r_scbond_it 2.432
r_mcangle_it 1.501
r_mcbond_it 1.043
r_nbd_refined 0.213
r_gen_planes_refined 0.006
r_chiral_restr 0.096
r_dihedral_angle_4_deg 18.328
r_dihedral_angle_3_deg 13.781
r_dihedral_angle_2_deg 32.612
r_dihedral_angle_1_deg 5.351
r_angle_refined_deg 1.411
r_bond_refined_d 0.015
r_nbtor_refined 0.302
r_xyhbond_nbd_refined 0.118
r_symmetry_vdw_refined 0.183
r_symmetry_hbond_refined 0.111
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

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
SOLVE Structure Solution
REFMAC 5.2.0005 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.2.0005 refinement
SOLVE model building