1AWD

FERREDOXIN [2FE-2S] OXIDIZED FORM FROM CHLORELLA FUSCA


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
181.3 M SODIUM CITRATE, 0.1 M GLYCINE AT PH 8.0
Crystal Properties
Matthews coefficientSolvent content
2.958

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 112.44α = 90
b = 112.44β = 90
c = 112.44γ = 90
Symmetry
Space GroupI 4 3 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray103IMAGE PLATEMARRESEARCHBENT CRYSTAL MONOCHROMATOR1997-04-26M
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONEMBL/DESY, HAMBURG BEAMLINE X11EMBL/DESY, HAMBURGX11

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)Net I Over Average Sigma (I)RedundancyNumber Reflections (All)Number Reflections (Observed)Observed Criterion Sigma (F)Observed Criterion Sigma (I)B (Isotropic) From Wilson Plot
11.426.599.90.0472514.524157
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
1.41.51000.5113.4210.6

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONANOMALOUS DISPERSION TO FIND THE TWO FE ATOMS USING 2.3 ANGSTROM CU ROTATING ANODE/MULTIWIRE DATA. THE REMAINING ATOMS WERE THEN FOUND BY ROTATING A FRAGMENT (FROM ENTRY 1FXL) ABOUT THE IRON ATOMS TO MINIMIZE THE CORRELATION COEFFICIENT BETWEEN F(OBS) AND F(CALC).FREE R1.41024070120299.90.14660.14640.1811RANDOM
Temperature Factor Modeling
Anisotropic B[1][1]Anisotropic B[1][2]Anisotropic B[1][3]Anisotropic B[2][2]Anisotropic B[2][3]Anisotropic B[3][3]
Coordinate Error
Structure Solution MethodRefinement High ResolutionRefinement Low Resolution
3647796
RMS Deviations
KeyRefinement Restraint Deviation
s_approx_iso_adps0.098
s_zero_chiral_vol0.066
s_non_zero_chiral_vol0.063
s_anti_bump_dis_restr0.056
s_similar_adp_cmpnt0.054
s_angle_d0.03
s_from_restr_planes0.029
s_bond_d0.012
s_rigid_bond_adp_cmpnt0.004
s_similar_dist
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms708
Nucleic Acid Atoms
Solvent Atoms126
Heterogen Atoms4

Software

Software
Software NamePurpose
SHELXL-97model building
SHELXL-97refinement
DENZOdata reduction
SCALEPACKdata scaling
SHELXL-97phasing