3MVF

Crystal Structure of Nitrophorin 4 from Rhodnius prolixus Complexed with Nitrite at pH 7.4


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP7.4297Ammonium phosphate, pH 7.4, VAPOR DIFFUSION, SITTING DROP, temperature 297K
Crystal Properties
Matthews coefficientSolvent content
1.9436.75

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 70.301α = 90
b = 42.909β = 94.05
c = 52.46γ = 90
Symmetry
Space GroupC 1 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARMOSAIC 225 mm CCD2010-03-23MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONBESSY BEAMLINE 14.20.91892BESSY14.2

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
11.430.5397.70.03830694
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)
1.41.4493.70.193

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT1.415306692913615331000.138890.136410.18717RANDOM16.999
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]
0.17-0.14-0.410.22
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg37.2
r_dihedral_angle_4_deg17.406
r_dihedral_angle_3_deg12.137
r_scangle_it7.328
r_dihedral_angle_1_deg7.105
r_scbond_it5.501
r_mcangle_it4.153
r_mcbond_it2.898
r_rigid_bond_restr2.868
r_angle_refined_deg2.219
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg37.2
r_dihedral_angle_4_deg17.406
r_dihedral_angle_3_deg12.137
r_scangle_it7.328
r_dihedral_angle_1_deg7.105
r_scbond_it5.501
r_mcangle_it4.153
r_mcbond_it2.898
r_rigid_bond_restr2.868
r_angle_refined_deg2.219
r_chiral_restr0.175
r_bond_refined_d0.025
r_gen_planes_refined0.015
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1428
Nucleic Acid Atoms
Solvent Atoms223
Heterogen Atoms49

Software

Software
Software NamePurpose
XDSdata scaling
MOLREPphasing
REFMACrefinement
XDSdata reduction
XSCALEdata scaling