X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6
Temperature 293.0
Details 20 % PEG 6000, 1.0 M LiCl, 0.1 M MES, pH 6.0, VAPOR DIFFUSION,SITTING DROP,NANODROP, temperature 293K, pH 6.00

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 89.13 α = 90
b = 49.74 β = 123.73
c = 69.55 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
CCD ADSC QUANTUM 315 FLAT MIRROR 2002-11-26
Diffraction Radiation
Monochromator Protocol
SINGLE CRYSTAL SI(311) BENT MONOCHROMATOR SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SSRL BEAMLINE BL9-1 -- SSRL BL9-1

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
1.95 25.29 95.4 -- 0.083 -- 3.5 -- 17758 -- 0.0 36.93
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)
1.95 2.06 88.0 -- 0.555 1.8 2.8 --

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 1.95 25.29 -- 0.0 -- 16875 883 95.2 -- 0.163 0.16 0.217 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 1.95 2.0 -- 63 1078 0.287 0.342 -- --
Temperature Factor Modeling
Temperature Factor Value
Isotropic Thermal Model ISOTROPIC
Mean Isotropic B 32.48
Anisotropic B[1][1] 1.9
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] 1.66
Anisotropic B[2][2] -0.05
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -0.01
RMS Deviations
Key Refinement Restraint Deviation
r_scangle_it 4.474
r_scbond_it 2.675
r_mcangle_it 1.483
r_nbd_refined 0.19
r_gen_planes_other 0.001
r_gen_planes_refined 0.006
r_chiral_restr 0.097
r_dihedral_angle_4_deg 11.733
r_dihedral_angle_3_deg 14.126
r_dihedral_angle_2_deg 33.595
r_dihedral_angle_1_deg 6.172
r_angle_other_deg 0.849
r_angle_refined_deg 1.568
r_bond_other_d 0.01
r_bond_refined_d 0.017
r_nbd_other 0.187
r_nbtor_other 0.086
r_xyhbond_nbd_refined 0.207
r_symmetry_vdw_refined 0.147
r_symmetry_vdw_other 0.239
r_symmetry_hbond_refined 0.269
r_mcbond_it 0.802
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1772
Nucleic Acid Atoms 0
Heterogen Atoms 14
Solvent Atoms 198

Software

Computing
Computing Package Purpose
MOSFLM Data Reduction (intensity integration)
CCP4 (SCALA) Data Reduction (data scaling)
MOLREP Structure Solution
REFMAC 5.1.9999 Structure Refinement
Software
Software Name Purpose
REFMAC(5.1.9999) refinement
MOLREP model building
SCALA(CCP4 version: 4.2) data reduction
MOSFLM data collection