X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 8
Temperature 293.0
Details 8MG/ML OF CYTOCHROME, 20MM TRIS.HCL, PH 8.0 AT 20 DEGREES C, HANGING DROPS IN HAMPTON RESEARCH 24-WELL LINBRO PLATES, VAPOR DIFFUSION, HANGING DROP, temperature 293K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 37.09 α = 90
b = 39.16 β = 90
c = 43.99 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
IMAGE PLATE MARRESEARCH MIRRORS 1996-12-15
Diffraction Radiation
Monochromator Protocol
SI(111) MAD
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON EMBL/DESY, HAMBURG BEAMLINE BW7A -- EMBL/DESY, Hamburg BW7A
SYNCHROTRON EMBL/DESY, HAMBURG BEAMLINE BW7A -- EMBL/DESY, Hamburg BW7A
SYNCHROTRON EMBL/DESY, HAMBURG BEAMLINE BW7A -- EMBL/DESY, Hamburg BW7A

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
1.7 20 99.5 -- 0.04 -- 3.5 -- 7404 -- -- 10.3
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)
1.7 1.76 97.1 -- 0.101 5.4 3.5 --

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
MAD 1.7 20.0 -- 0.0 7404 7404 343 99.5 -- 0.174 0.174 0.206 RANDOM
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 10.3
RMS Deviations
Key Refinement Restraint Deviation
p_bond_d 0.01
p_planar_d 0.027
p_scangle_it 5.24
p_mcbond_it 1.593
p_planar_tor 4.4
p_singtor_nbd 0.178
p_chiral_restr 0.071
p_angle_d 0.027
p_scbond_it 3.811
p_staggered_tor 12.3
p_transverse_tor 15.2
p_mcangle_it 2.054
p_special_tor 15.0
p_plane_restr 0.0248
p_multtor_nbd 0.377
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 496
Nucleic Acid Atoms 0
Heterogen Atoms 43
Solvent Atoms 128

Software

Software
Software Name Purpose
MLPHARE phasing
REFMAC refinement
DENZO data reduction
CCP4 data scaling version: (AGROVATA
ROTAVATA data scaling