X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 4.5
Temperature 277.0
Details NaCl, Na acetate, pH 4.5, VAPOR DIFFUSION, HANGING DROP, temperature 277K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 80.14 α = 90
b = 80.14 β = 90
c = 37.06 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 -- 2004-02-21
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SRS BEAMLINE PX14.2 0.976 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
1.6 56.8 99.9 -- 0.083 -- 6.9 -- 16497 2.4 2.4 17.639
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)
1.6 1.69 100.0 -- 0.315 2.4 7.1 16705

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 1.6 56.8 -- 2.0 15623 15623 831 99.88 0.1841 0.1841 0.1823 0.21741 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 1.6 1.642 -- 66 1121 0.217 0.263 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 15.348
Anisotropic B[1][1] -0.4
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] -0.4
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] 0.79
RMS Deviations
Key Refinement Restraint Deviation
r_scangle_it 3.837
r_scbond_it 2.323
r_mcangle_it 1.503
r_mcbond_it 0.819
r_symmetry_hbond_refined 0.156
r_symmetry_vdw_other 0.32
r_symmetry_vdw_refined 0.066
r_metal_ion_refined 0.057
r_bond_refined_d 0.012
r_bond_other_d 0.002
r_angle_refined_deg 1.422
r_angle_other_deg 1.507
r_dihedral_angle_1_deg 6.336
r_chiral_restr 0.089
r_gen_planes_refined 0.005
r_gen_planes_other 0.002
r_nbd_refined 0.26
r_nbd_other 0.254
r_nbtor_other 0.083
r_xyhbond_nbd_refined 0.157
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1001
Nucleic Acid Atoms 0
Heterogen Atoms 20
Solvent Atoms 184

Software

Computing
Computing Package Purpose
MOSFLM Data Reduction (intensity integration)
CCP4 (SCALA) Data Reduction (data scaling)
MOLREP Structure Solution
REFMAC 5.1.24 Structure Refinement
Software
Software Name Purpose
REFMAC version: 5.1.24 refinement