X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Sitting Drop
pH 6.5
Temperature 294.0
Details sodium citrate, cacodylate, pH 6.5, VAPOR DIFFUSION, SITTING DROP, temperature 294K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 50.65 α = 90
b = 97.86 β = 112.28
c = 52.17 γ = 90
Symmetry
Space Group P 1 21 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE MARRESEARCH -- 2001-04-01
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON SSRL BEAMLINE BL9-1 0.97 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
1.65 50 99.6 0.099 -- -- -- 57334 57334 -- -3.0 --
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)
1.65 1.68 98.5 0.542 -- 1.5 -- --

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
ISOMORPHOUS 1.65 10.0 -- 0.0 57069 57069 2853 99.6 0.204 0.204 0.2012 0.2949 RANDOM
RMS Deviations
Key Refinement Restraint Deviation
s_approx_iso_adps 0.081
s_similar_adp_cmpnt 0.031
s_rigid_bond_adp_cmpnt 0.002
s_anti_bump_dis_restr 0.01
s_non_zero_chiral_vol 0.049
s_zero_chiral_vol 0.037
s_from_restr_planes 0.0308
s_similar_dist 0.0
s_angle_d 0.027
s_bond_d 0.007
Coordinate Error
Parameter Value
Number Disordered Residues 8.0
Occupancy Sum Hydrogen 0.0
Occupancy Sum Non Hydrogen 3881.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 3521
Nucleic Acid Atoms 0
Heterogen Atoms 64
Solvent Atoms 293

Software

Computing
Computing Package Purpose
DENZO Data Reduction (intensity integration)
SCALEPACK Data Reduction (data scaling)
SHELX Structure Solution
SHELXL-97 Structure Refinement
Software
Software Name Purpose
SHELXL-97 refinement
SHELX model building
SCALEPACK data reduction
DENZO data collection