4CX7

Structure of human iNOS heme domain in complex with (R)-6-(3-AMINO-2-(5-(2-(6-AMINO-4- METHYLPYRIDIN-2-YL)ETHYL)PYRIDIN-3-YL)PROPYL)-4- METHYLPYRIDIN-2-AMINE


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1NSIPDB ENTRY 1NSI

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
161.3M AMMONIUM SULFATE, 50 MM NA CITRATE, PH5.0 30% GLYCEROL 5 MM GSH, pH 6.0
Crystal Properties
Matthews coefficientSolvent content
5.477.3

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 189.223α = 90
b = 189.223β = 90
c = 232.773γ = 90
Symmetry
Space GroupP 43 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS PILATUSMIRRORS2013-07-29MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSSRL BEAMLINE BL11-1SSRLBL11-1

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
13.165099.80.2312.611.972855-3
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)
13.163.3398.91.51.510.9

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB ENTRY 1NSI3.16146.8368962367899.450.175710.173520.21622RANDOM78.317
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]
-1.92-1.923.84
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg37.332
r_dihedral_angle_3_deg23.086
r_dihedral_angle_4_deg20.283
r_dihedral_angle_1_deg7.484
r_mcangle_it5.261
r_scbond_it4.696
r_mcbond_it3.335
r_angle_refined_deg1.95
r_chiral_restr0.123
r_bond_refined_d0.014
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg37.332
r_dihedral_angle_3_deg23.086
r_dihedral_angle_4_deg20.283
r_dihedral_angle_1_deg7.484
r_mcangle_it5.261
r_scbond_it4.696
r_mcbond_it3.335
r_angle_refined_deg1.95
r_chiral_restr0.123
r_bond_refined_d0.014
r_gen_planes_refined0.008
r_bond_other_d
r_angle_other_deg
r_gen_planes_other
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_mcbond_other
r_mcangle_other
r_scbond_other
r_scangle_it
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms13468
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms421

Software

Software
Software NamePurpose
REFMACrefinement
XDSdata reduction
SCALAdata scaling
PHASERphasing