X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 7.2
Temperature 291.0
Details 1.6-2.3 M sodium/potassium phosphate, 10 uM acetazolamide, pH 7.2, VAPOR DIFFUSION, HANGING DROP, temperature 291K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 74.56 α = 90
b = 74.56 β = 90
c = 220.39 γ = 90
Symmetry
Space Group P 43 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 210 -- 2000-11-06
Diffraction Radiation
Monochromator Protocol
Diamond(001) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-1 0.9311 ESRF ID14-1

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
1.85 20 99.0 -- 0.051 -- -- 55540 55540 0.0 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)
1.85 1.9 98.6 -- 0.378 -- -- --

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 1.85 19.91 -- -- 51036 51036 2725 99.4 0.18206 0.18206 0.18014 0.21841 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 1.85 1.898 -- 198 3681 0.281 0.349 -- 99.95
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 36.441
Anisotropic B[1][1] 0.06
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.06
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.12
RMS Deviations
Key Refinement Restraint Deviation
r_gen_planes_refined 0.013
r_dihedral_angle_3_deg 14.451
r_dihedral_angle_4_deg 16.4
r_chiral_restr 0.178
r_angle_refined_deg 2.217
r_bond_refined_d 0.028
r_dihedral_angle_1_deg 5.766
r_scbond_it 3.611
r_mcbond_it 1.407
r_dihedral_angle_2_deg 40.463
r_mcangle_it 2.222
r_scangle_it 5.515
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3390
Nucleic Acid Atoms 0
Heterogen Atoms 46
Solvent Atoms 354

Software

Software
Software Name Purpose
HKL-2000 data collection
CNS refinement
REFMAC refinement version: 5.5.0110
DENZO data reduction
SCALEPACK data scaling
CNS phasing