X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 4.6
Temperature 285.0
Details PEG 4000, ammonium sulfate, sodium acetate, potassium bromide, glycerol, pH 4.6, VAPOR DIFFUSION, HANGING DROP, temperature 285K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 27.12 α = 90
b = 47.24 β = 90
c = 53.85 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC MIRRORS 2001-03-04
Diffraction Radiation
Monochromator Protocol
SI CRYSTAL SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON NSLS BEAMLINE X9B 0.920 NSLS X9B

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
1.2 25 96.4 0.033 -- -- 2.2 87673 40500 0.0 0.0 10.0
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)
1.2 1.24 86.4 0.227 -- 3.0 2.1 --

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
AB INITIO 1.2 20.0 0.0 0.0 3966 3890 76 100.0 0.157 0.161 0.161 0.193 RANDOM
RMS Deviations
Key Refinement Restraint Deviation
s_similar_dist 0.0
s_rigid_bond_adp_cmpnt 0.0
s_zero_chiral_vol 0.07
s_non_zero_chiral_vol 0.08
s_bond_d 0.01
s_approx_iso_adps 0.09
s_similar_adp_cmpnt 0.06
s_from_restr_planes 0.028
s_angle_d 0.03
s_anti_bump_dis_restr 0.03
Coordinate Error
Parameter Value
Occupancy Sum Hydrogen 536.0
Occupancy Sum Non Hydrogen 738.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 542
Nucleic Acid Atoms 0
Heterogen Atoms 17
Solvent Atoms 176

Software

Software
Software Name Purpose
DENZO data reduction
SCALEPACK data scaling
SHELX model building
SHARP phasing
DM model building
SHELXL-97 refinement
SHELX phasing
DM phasing