X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion
pH 6.6
Details NC10 SCFV(5) AND N9 NA WERE MIXED TOGETHER (SCFV(5) IN FOUR-FOLD MOLAR EXCESS) WITH AND EQUAL VOLUME OF POTASSIUM PHOSPHATE BUFFER 1.7M PH6.6. THE DROP WAS EQUILIBRATED BY VAPOR DIFFUSION AGAINST PHOSPHATE BUFFER 1.3M PH6.8., vapor diffusion

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 165.3 α = 90
b = 165.3 β = 90
c = 182.4 γ = 90
Symmetry
Space Group I 4 2 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 283
Diffraction Detector
Detector Diffraction Type Details Collection Date
IMAGE PLATE PHOTON FACTORY -- 1995-07
Diffraction Radiation
Monochromator Protocol
-- --
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON PHOTON FACTORY BEAMLINE BL-18B -- Photon Factory BL-18B

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
2.5 -- 68.0 0.118 -- -- -- -- 29660 -- 2.0 --
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)
2.5 2.6 40.0 -- -- -- -- --

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 2.5 7.0 -- 2.0 -- 27957 -- 80.0 -- 0.2 0.2 0.27 RANDOM
RMS Deviations
Key Refinement Restraint Deviation
x_angle_deg 1.9
x_bond_d 0.014
Coordinate Error
Parameter Value
Luzzati Resolution Cutoff (Low) 5.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 4800
Nucleic Acid Atoms 0
Heterogen Atoms 112
Solvent Atoms 0

Software

Software
Software Name Purpose
WEIS data collection
PROTEIN data reduction
X-PLOR model building version: 3.1
X-PLOR refinement version: 3.1
WEIS data reduction
PROTEIN data scaling
X-PLOR phasing version: 3.1