X-RAY DIFFRACTION Experimental Data & Validation

X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7.5
Details PROTEIN CONC. 17MG/ML, 50 MM TRIS PH 8.0,0.1M NACL, 0.5 MM DTT, 2 MM EDTA. RESERVOIR: 20% PEG4000,10% ISOPROPANOL, 0.1M HEPES PH 7.5 , VAPOR DIFFUSION,TEMPERATURE 292K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 92.86 α = 90
b = 60.41 β = 103.01
c = 119.85 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
IMAGE PLATE MARRESEARCH MIRRORS 2005-01-18
Diffraction Radiation
Monochromator Protocol
SI-111 CRYSTAL SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON BESSY BEAMLINE 14.2 -- BESSY 14.2

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
2.01 20 97.2 0.04 -- -- 3.1 -- 39168 -- 0.0 34.8
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)
2.01 2.08 63.1 0.29 -- 2.5 2.4 --

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 2.02 20.0 -- 0.0 -- 39168 2104 97.2 -- 0.164 0.162 0.202 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 2.02 2.09 -- 169 3067 0.201 0.285 -- 78.85
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 33.61
Anisotropic B[1][1] -0.82
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 0.09
Anisotropic B[2][2] 2.2
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -1.34
RMS Deviations
Key Refinement Restraint Deviation
r_chiral_restr 0.105
r_bond_refined_d 0.012
r_angle_other_deg 0.939
r_xyhbond_nbd_refined 0.132
r_symmetry_vdw_other 0.178
r_nbtor_refined 0.181
r_mcbond_other 1.66
r_dihedral_angle_4_deg 16.245
r_nbtor_other 0.085
r_bond_other_d 0.001
r_scangle_it 11.83
r_angle_refined_deg 1.36
r_dihedral_angle_3_deg 15.56
r_nbd_other 0.163
r_symmetry_hbond_refined 0.101
r_mcangle_it 5.959
r_symmetry_vdw_refined 0.205
r_dihedral_angle_1_deg 5.199
r_dihedral_angle_2_deg 37.686
r_gen_planes_other 0.001
r_mcbond_it 4.856
r_scbond_it 9.432
r_gen_planes_refined 0.005
r_nbd_refined 0.217
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4145
Nucleic Acid Atoms 0
Heterogen Atoms 78
Solvent Atoms 182

Software

Software
Software Name Purpose
REFMAC refinement version: 5.2.0005
HKL-2000 data reduction
SCALEPACK data scaling
PHASER phasing