3ECX

Carbonmonoxy Sperm Whale Myoglobin at 100 K: Laser on [30 min]


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1MBC 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1batch62932.4M Ammonium sulfate, 10mM TrisHCl, 100mM Sodium phosphate, pH 6.0, batch, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
1.8734.23

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 34.325α = 90
b = 30.612β = 105.38
c = 63.634γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMAR CCD 165 mm2008-02-20MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONPHOTON FACTORY BEAMLINE AR-NW14A0.827Photon FactoryAR-NW14A

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
11.2150950.04711.53.637073-3
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)
1.211.2571.10.3852.52740

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 REPLACEMENTTHROUGHOUT1MBC1.2116.5137055186795.010.1580.1550.211RANDOM15.428
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]
0.02-0.02-0.01-0.02
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg34.037
r_dihedral_angle_3_deg13.048
r_dihedral_angle_4_deg12.667
r_sphericity_free10.387
r_sphericity_bonded6.189
r_scangle_it6.148
r_dihedral_angle_1_deg5.226
r_scbond_it4.643
r_mcangle_it3.327
r_rigid_bond_restr3.041
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg34.037
r_dihedral_angle_3_deg13.048
r_dihedral_angle_4_deg12.667
r_sphericity_free10.387
r_sphericity_bonded6.189
r_scangle_it6.148
r_dihedral_angle_1_deg5.226
r_scbond_it4.643
r_mcangle_it3.327
r_rigid_bond_restr3.041
r_mcbond_it2.514
r_angle_refined_deg2.07
r_metal_ion_refined0.467
r_nbtor_refined0.32
r_nbd_refined0.303
r_symmetry_vdw_refined0.168
r_symmetry_hbond_refined0.166
r_chiral_restr0.145
r_xyhbond_nbd_refined0.13
r_bond_refined_d0.023
r_gen_planes_refined0.013
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1217
Nucleic Acid Atoms
Solvent Atoms167
Heterogen Atoms55

Software

Software
Software NamePurpose
DENZOdata reduction
SCALEPACKdata scaling
REFMACrefinement
PDB_EXTRACTdata extraction
HKL-2000data reduction
HKL-2000data scaling