X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 4.5
Temperature 293.0
Details 0.05M Na citrate, 30% w/v PEG 2K MME, 0.1M KSCN, 0.01M NH4 sulfate, pH 4.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 79.57 α = 90
b = 52.29 β = 92.9
c = 49.67 γ = 90
Symmetry
Space Group C 1 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 315 mirrors 2005-06-17
Diffraction Radiation
Monochromator Protocol
Si 111 channel SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON APS BEAMLINE 19-ID 0.97940 APS 19-ID

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
1.83 50 98.3 0.128 0.146 -- 4.6 17541 17541 0.0 -3.0 --
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)
1.83 1.9 100.0 0.437 0.463 4.3 4.6 1788

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 1.83 19.87 0.0 0.0 16860 16860 903 98.07 0.22159 0.22159 0.21893 0.26915 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 1.83 1.877 64 64 1256 0.22 0.272 -- 99.02
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 28.435
Anisotropic B[1][1] 3.46
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] -1.26
Anisotropic B[2][2] -2.58
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -1.01
RMS Deviations
Key Refinement Restraint Deviation
r_scangle_it 4.699
r_scbond_it 3.282
r_mcangle_it 1.663
r_mcbond_it 1.381
r_nbd_refined 0.22
r_gen_planes_refined 0.007
r_chiral_restr 0.11
r_dihedral_angle_4_deg 18.041
r_dihedral_angle_3_deg 13.675
r_dihedral_angle_2_deg 34.096
r_dihedral_angle_1_deg 4.535
r_angle_refined_deg 1.504
r_bond_refined_d 0.018
r_nbtor_refined 0.309
r_xyhbond_nbd_refined 0.188
r_symmetry_vdw_refined 0.185
r_symmetry_hbond_refined 0.196
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1596
Nucleic Acid Atoms 0
Heterogen Atoms 19
Solvent Atoms 126

Software

Computing
Computing Package Purpose
HKL-2000 Data Collection
HKL-2000 Data Reduction (intensity integration)
HKL-2000 Data Reduction (data scaling)
MOLREP Structure Solution
REFMAC 5.2.0005 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.2.0005 refinement