X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 4
Temperature 277.0
Details Sodium acetate, sodium citrate, pH 4.0, VAPOR DIFFUSION, HANGING DROP, temperature 277.0K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 21.84 α = 88.05
b = 26.93 β = 84.95
c = 45.81 γ = 87.56
Symmetry
Space Group P 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 95
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD BRANDEIS - B4 -- 2001-05-30
Diffraction Radiation
Monochromator Protocol
GRAPHITE SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X25 1.1000 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
1.3 50 93.6 0.047 -- -- 3.8 23835 23835 0.0 0.0 13.3
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)
1.3 1.35 83.3 0.106 -- 10.8 3.4 2150

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 1.3 22.87 0.0 0.0 23835 23835 2352 93.6 -- -- 0.149 0.209 RANDOM
RMS Deviations
Key Refinement Restraint Deviation
s_non_zero_chiral_vol 0.055
s_zero_chiral_vol 0.054
s_rigid_bond_adp_cmpnt 0.005
s_from_restr_planes 0.017
s_angle_d 0.026
s_similar_dist 0.0
s_similar_adp_cmpnt 0.054
s_bond_d 0.01
s_approx_iso_adps 0.07
s_anti_bump_dis_restr 0.008
Coordinate Error
Parameter Value
Number Disordered Residues 0.0
Occupancy Sum Hydrogen 0.0
Occupancy Sum Non Hydrogen 1238.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1052
Nucleic Acid Atoms 0
Heterogen Atoms 0
Solvent Atoms 186

Software

Software
Software Name Purpose
MADNESS data collection
SCALEPACK data scaling
AMoRE phasing
SHELXL-97 refinement
MADNESS data reduction