1GQ1

CYTOCHROME CD1 NITRITE REDUCTASE, Y25S mutant, OXIDISED FORM


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1QKSPDB ENTRY 1QKS

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
172.3 M AMMONIUM SULFATE, 50MM POTASSIUM PHOSPHATE, PH 7.0, AND CRYOPROTECTANT 18% GLYCEROL
Crystal Properties
Matthews coefficientSolvent content
2.5251

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 106.797α = 90
b = 60.6β = 112.33
c = 100.34γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100IMAGE PLATEMARRESEARCHMIRRORS2000-10-06MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONMAX II BEAMLINE I711MAX III711

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
11.4301000.04824.83.3233906-3
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)
11.41.451000.2474.33.1

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB ENTRY 1QKS1.4302233906116951000.1590.175RANDOM10.9
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]
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms8678
Nucleic Acid Atoms
Solvent Atoms1354
Heterogen Atoms242

Software

Software
Software NamePurpose
REFMACrefinement
DENZOdata reduction
SCALEPACKdata scaling
CCP4phasing