X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 6.9
Temperature 293.0
Details 28 % PEG4000, 100 mM Na-acetate, pH 4.8, and 200 mM NH4-acetate, pH 6.9, VAPOR DIFFUSION, HANGING DROP, temperature 293K, pH 6.90

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 148.82 α = 90
b = 29.56 β = 94.55
c = 95.17 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 -- 2005-11-07
CCD ADSC QUANTUM 315 -- 2005-11-07
Diffraction Radiation
Monochromator Protocol
SI 111 CHANNEL SINGLE WAVELENGTH
-- MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X25 1.1407, 1.1411, 1.1201 NSLS X25
SYNCHROTRON NSLS BEAMLINE X25 -- NSLS X25

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
2.05 20 99.8 0.062 -- -- 4.3 -- 27007 -- 0.0 --
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)
2.05 2.12 100.0 0.475 -- 2.89 4.3 --

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
MAD 2.05 20.0 -- 0.0 25309 25258 1337 99.8 -- 0.21 0.208 0.241 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 2.05 2.1 -- 98 1850 0.285 0.312 -- 100.0
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 34.95
Anisotropic B[1][1] -0.76
Anisotropic B[1][2] 0.0
Anisotropic B[1][3] -2.37
Anisotropic B[2][2] 1.81
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -1.43
RMS Deviations
Key Refinement Restraint Deviation
r_gen_planes_refined 0.004
r_scbond_it 0.85
r_symmetry_hbond_refined 0.177
r_bond_refined_d 0.003
r_metal_ion_refined 0.141
r_nbtor_refined 0.284
r_scangle_it 1.196
r_xyhbond_nbd_refined 0.191
r_mcbond_it 0.199
r_nbd_refined 0.164
r_angle_refined_deg 1.043
r_mcangle_it 0.435
r_chiral_restr 0.129
r_symmetry_vdw_refined 0.16
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 0
Nucleic Acid Atoms 3442
Heterogen Atoms 63
Solvent Atoms 312

Software

Software
Software Name Purpose
REFMAC refinement version: 5.2.0005
CAD4 data reduction
HKL-2000 data scaling
SOLVE phasing