X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
pH 7
Details 30 MG/ML GRAMICIDIN, SATURATED CSCL, METHANOL, PH 7.0, BATCH METHOD

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 31.06 α = 90
b = 31.88 β = 90
c = 52.11 γ = 90
Symmetry
Space Group P 21 21 21

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 295
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE RIGAKU COLLIMATOR 1995-10-15
Diffraction Radiation
Monochromator Protocol
GRAPHITE(002) SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
ROTATING ANODE RIGAKU RUH2R -- -- --

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
1.4 100 92.4 0.096 0.096 -- 6.1 -- 108451 -- 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)
1.4 1.45 54.5 0.152 0.152 2.9 2.0 --

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/ ANOMALOUS SCATTERING 1.4 100.0 -- -- 17776 -- 1788 92.4 0.156 0.154 -- 0.186 --
RMS Deviations
Key Refinement Restraint Deviation
s_similar_adp_cmpnt 0.048
s_rigid_bond_adp_cmpnt 0.005
s_non_zero_chiral_vol 0.087
s_zero_chiral_vol 0.07
s_from_restr_planes 0.311
s_angle_d 0.035
s_bond_d 0.015
Coordinate Error
Parameter Value
Number Disordered Residues 2.0
Occupancy Sum Hydrogen 560.0
Occupancy Sum Non Hydrogen 572.47
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 544
Nucleic Acid Atoms 0
Heterogen Atoms 29
Solvent Atoms 22

Software

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