X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 8.2
Temperature 288.0
Details PEG 8000, 1, 6-hexanediol, NaSCN, Tris-HCl, pH 8.2, VAPOR DIFFUSION, HANGING DROP, temperature 288K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 74.86 α = 90
b = 109.76 β = 90
c = 39.26 γ = 90
Symmetry
Space Group P 21 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 -- 2002-02-26
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-4 0.97 ESRF ID14-4

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
2.3 39.26 99.1 0.045 0.035 -- 3.5 14833 14815 0.0 0.0 35.0
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)
2.3 2.42 99.1 0.141 0.121 6.1 3.7 2064

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 2.3 62.02 -- 0.0 14815 14072 743 98.67 0.20787 0.20787 0.2044 0.27585 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 2.3 2.36 -- 64 1002 0.196 0.251 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 16.433
Anisotropic B[1][1] 0.05
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 2.84
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -2.89
RMS Deviations
Key Refinement Restraint Deviation
r_symmetry_hbond_refined 0.269
r_dihedral_angle_1_deg 6.083
r_gen_planes_refined 0.009
r_gen_planes_other 0.013
r_nbd_refined 0.23
r_xyhbond_nbd_refined 0.187
r_scbond_it 2.501
r_nbd_other 0.232
r_nbtor_other 0.105
r_bond_other_d 0.003
r_symmetry_vdw_other 0.234
r_mcbond_it 0.797
r_mcangle_it 1.538
r_scangle_it 4.04
r_chiral_restr 0.11
r_angle_other_deg 2.363
r_bond_refined_d 0.018
r_angle_refined_deg 1.797
r_symmetry_vdw_refined 0.268
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1952
Nucleic Acid Atoms 0
Heterogen Atoms 56
Solvent Atoms 128

Software

Software
Software Name Purpose
MOSFLM data reduction
SCALA data scaling
MOLREP phasing
REFMAC refinement version: 5.1.19
CCP4 data scaling version: (SCALA)