X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion
pH 4.5
Temperature 277.0
Details Acetate buffer, NaCl, pH 4.5, VAPOR DIFFUSION, temperature 277K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 77.91 α = 90
b = 77.91 β = 90
c = 37.76 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 4 -- 2004-02-26
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SRS BEAMLINE PX14.2 0.97950 SRS PX14.2

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
1.75 55.05 99.9 -- -- -- -- 81871 12234 2.0 2.0 --
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)
1.75 1.84 100.0 -- -- -- -- --

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 1.75 55.0 -- 2.0 12234 11619 584 99.8 0.17839 0.17839 0.17565 0.23314 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 1.75 1.795 -- 54 842 0.216 0.329 -- 100.0
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 19.552
Anisotropic B[1][1] 0.2
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 0.2
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.39
RMS Deviations
Key Refinement Restraint Deviation
r_scbond_it 2.531
r_nbd_refined 0.224
r_xyhbond_nbd_refined 0.155
r_dihedral_angle_3_deg 13.273
r_bond_refined_d 0.015
r_mcbond_it 0.939
r_metal_ion_refined 0.123
r_symmetry_hbond_refined 0.164
r_angle_refined_deg 1.577
r_dihedral_angle_2_deg 37.082
r_chiral_restr 0.113
r_nbtor_refined 0.297
r_mcangle_it 1.633
r_scangle_it 3.885
r_symmetry_vdw_refined 0.217
r_dihedral_angle_4_deg 19.248
r_gen_planes_refined 0.007
r_dihedral_angle_1_deg 6.055
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1016
Nucleic Acid Atoms 0
Heterogen Atoms 45
Solvent Atoms 169

Software

Software
Software Name Purpose
REFMAC refinement version: 5.2.0003
MOSFLM data reduction
CCP4 data scaling version: (SCALA)
MOLREP phasing