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_scangle_it 3.885
r_scbond_it 2.531
r_mcangle_it 1.633
r_mcbond_it 0.939
r_symmetry_hbond_refined 0.164
r_symmetry_vdw_refined 0.217
r_bond_refined_d 0.015
r_angle_refined_deg 1.577
r_dihedral_angle_1_deg 6.055
r_dihedral_angle_2_deg 37.082
r_dihedral_angle_3_deg 13.273
r_dihedral_angle_4_deg 19.248
r_chiral_restr 0.113
r_gen_planes_refined 0.007
r_nbd_refined 0.224
r_nbtor_refined 0.297
r_xyhbond_nbd_refined 0.155
r_metal_ion_refined 0.123
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1001
Nucleic Acid Atoms 0
Heterogen Atoms 45
Solvent Atoms 169

Software

Computing
Computing Package Purpose
MOSFLM Data Reduction (intensity integration)
CCP4 (SCALA) Data Reduction (data scaling)
MOLREP Structure Solution
REFMAC 5.2.0003 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.2.0003 refinement