1SZF

A198G:L230A mutant flavocytochrome b2 with pyruvate bound


X-RAY DIFFRACTION Experimental Data & Validation


X-ray Experimental Help

Crystallization

Crystalization Experiments
Method Vapor Diffusion Hanging Drop
pH 4.1
Temperature 291.0
Details 0.1 M citrate, 200 mM NaBr, 12-15 % PEG3350, 18-20% glycerol, 50 mM pyruvate, pH 4.1, VAPOR DIFFUSION, HANGING DROP, temperature 291K

Crystal Data

Unit Cell
Length (Å) Angle (°)
a = 163.41 α = 90
b = 163.41 β = 90
c = 112.43 γ = 120
Symmetry
Space Group P 32 2 1

Diffraction

Diffraction Experiment
ID # Data Collection Temperature
1 100
Diffraction Detector
Detector Diffraction Type Details Collection Date
CCD ADSC QUANTUM 4 -- 2002-03-12
Diffraction Radiation
Monochromator Protocol
-- SINGLE WAVELENGTH
Diffraction Detector Source
Source Type Wavelength List Synchrotron Site Beamline
SYNCHROTRON ESRF BEAMLINE ID14-2 0.9340 ESRF ID14-2

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
2.7 24 99.6 0.071 -- -- -- 47854 47555 0.0 0.0 40.2
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)
2.7 2.8 99.9 0.202 -- 4.8 -- 4719

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 2.7 24.0 -- 0.0 47854 45117 2407 99.56 -- 0.22155 0.21983 0.25331 RANDOM
High Resolution Shell
Refinement method Shell Resolution (High) Shell Resolution (Low) # of Reflections (Observed) # of Reflections (R-Free) # of Reflections (R-Work) R-Factor (R-Work) R-Factor (R-Free) R-Factor (R-Free Error) Percent Reflections (Observed)
X Ray Diffraction 2.7 2.769 -- 173 3278 0.27 0.325 -- --
Temperature Factor Modeling
Temperature Factor Value
Mean Isotropic B 50.489
Anisotropic B[1][1] 1.54
Anisotropic B[1][2] 0.77
Anisotropic B[1][3] 0.0
Anisotropic B[2][2] 1.54
Anisotropic B[2][3] 0.0
Anisotropic B[3][3] -2.31
RMS Deviations
Key Refinement Restraint Deviation
r_angle_refined_deg 1.438
r_scangle_it 5.073
r_bond_refined_d 0.011
r_symmetry_hbond_refined 0.128
r_mcangle_it 1.44
r_dihedral_angle_1_deg 7.019
r_gen_planes_refined 0.004
r_chiral_restr 0.124
r_symmetry_vdw_refined 0.2
r_nbd_refined 0.219
r_mcbond_it 0.694
r_xyhbond_nbd_refined 0.148
r_scbond_it 2.996
Number of Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen Atoms Numbers
Protein Atoms 6090
Nucleic Acid Atoms 0
Heterogen Atoms 74
Solvent Atoms 170

Software

Software
Software Name Purpose
DENZO data reduction
SCALEPACK data scaling
AMoRE phasing
REFMAC refinement version: 5.1.24