X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7
Details CRYSTALLIZATION CONDITIONS: 40% PEG 4000, 200 MM MGCL2, 50 M PH 7. THE CRYSTALS WERE GROWN AT 4 DEGREES C., pH 7.0

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 35.23 α = 90
b = 50.21 β = 99.22
c = 55.37 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 RIGAKU RAXIS IIC -- 1996-05
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
-- SIEMENS -- -- --

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 30 95.9 0.085 -- -- -- -- 13158 -- -- --

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 2.0 40.0 -- 0.0 10920 -- 1266 83.7 0.1962 0.1967 -- 0.3 RANDOM
RMS Deviations
Key Refinement Restraint Deviation
s_approx_iso_adps 0.0
s_similar_adp_cmpnt 0.075
s_rigid_bond_adp_cmpnt 0.0
s_anti_bump_dis_restr 0.042
s_non_zero_chiral_vol 0.034
s_zero_chiral_vol 0.03
s_from_restr_planes 0.022
s_similar_dist 0.0
s_angle_d 0.014
s_bond_d 0.004
Coordinate Error
Parameter Value
Number Disordered Residues 0.0
Occupancy Sum Hydrogen 1588.0
Occupancy Sum Non Hydrogen 1830.9
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 1612
Nucleic Acid Atoms 0
Heterogen Atoms 2
Solvent Atoms 255

Software

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