X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Batch Method
pH 6.7
Details PROTEIN WAS BATCH CRYSTALLIZED IN 2.5 M SODIUM/POTASSIUM PHOSPHATE, PH 6.7, AND 1% (W/V) CARBOXYHEMOGLOBIN., batch method

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 54.1 α = 90
b = 54.1 β = 90
c = 195.1 γ = 90
Symmetry
Space Group P 41 21 2

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 273
Diffraction Detector
Detector Diffraction Type Details Collection Date
AREA DETECTOR SIEMENS MONOCHROMATOR 1996-04
Diffraction Radiation
Monochromator Protocol
GRAPHITE(002) --
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
2.2 6 80.0 0.11 0.11 -- 4.8 -- 12412 -- 1.0 --
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)
2.2 2.3 66.0 0.369 0.369 2.3 2.8 --

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 2.2 6.0 -- 1.0 -- 59019 -- 80.0 -- -- 0.155 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 24.05
RMS Deviations
Key Refinement Restraint Deviation
p_transverse_tor 32.8
p_staggered_tor 21.4
p_planar_tor 3.4
p_xyhbond_nbd 0.189
p_multtor_nbd 0.23
p_bond_d 0.018
p_angle_d 0.039
p_planar_d 0.04
p_hb_or_metal_coord 0.189
p_mcbond_it 0.691
p_mcangle_it 1.149
p_scbond_it 1.278
p_scangle_it 1.955
p_plane_restr 0.023
p_chiral_restr 0.216
p_singtor_nbd 0.204
Coordinate Error
Parameter Value
Luzzati Resolution Cutoff (Low) 6.0
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 2193
Nucleic Acid Atoms 0
Heterogen Atoms 95
Solvent Atoms 238

Software

Computing
Computing Package Purpose
XENGEN Data Reduction (intensity integration)
XENGEN Data Reduction (data scaling)
X-PLOR Structure Solution
X-PLOR Structure Refinement
Software
Software Name Purpose
X-PLOR refinement
X-PLOR model building