2RDZ

High Resolution Crystal Structure of the Escherichia coli Cytochrome c Nitrite Reductase.


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP7.5277Crystals were obtained in 100 mM HEPES pH 7.5, 20 % PEG 10 K. , VAPOR DIFFUSION, HANGING DROP, temperature 277K
Crystal Properties
Matthews coefficientSolvent content
2.4449.58

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 90.46α = 90
b = 79.3β = 101.57
c = 137.58γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMAR CCD 165 mm2004-06-18MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRF BEAMLINE ID14-30.931ESRFID14-3

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)R Sym 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
11.74134.8499.10.0730.0737.73.919364219364216.3
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.741.8394.10.3510.3512.13.126673

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (I)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB ENTRY 1GU61.7439.652.8193618193618975699.140.1560.1560.1540.189RANDOM16.781
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]
-0.01-0.010.02-0.02
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg36.435
r_dihedral_angle_4_deg15.196
r_dihedral_angle_3_deg13.472
r_dihedral_angle_1_deg5.571
r_scangle_it2.838
r_scbond_it1.875
r_angle_refined_deg1.298
r_mcangle_it1.098
r_mcbond_it0.691
r_nbtor_refined0.295
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg36.435
r_dihedral_angle_4_deg15.196
r_dihedral_angle_3_deg13.472
r_dihedral_angle_1_deg5.571
r_scangle_it2.838
r_scbond_it1.875
r_angle_refined_deg1.298
r_mcangle_it1.098
r_mcbond_it0.691
r_nbtor_refined0.295
r_nbd_refined0.209
r_symmetry_vdw_refined0.198
r_symmetry_hbond_refined0.172
r_xyhbond_nbd_refined0.144
r_chiral_restr0.088
r_metal_ion_refined0.069
r_bond_refined_d0.013
r_gen_planes_refined0.008
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms13904
Nucleic Acid Atoms
Solvent Atoms2149
Heterogen Atoms1000

Software

Software
Software NamePurpose
MOSFLMdata reduction
SCALAdata scaling
MOLREPphasing
REFMACrefinement
PDB_EXTRACTdata extraction
ADSCdata collection