2QLS

crystal structure of hemoglobin from dog (Canis familiaris) at 3.5 Angstrom resolution


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP829345% PEG 6000, TRIS-HCL BUFFER, pH 8.0, VAPOR DIFFUSION, HANGING DROP, temperature 293.0K
Crystal Properties
Matthews coefficientSolvent content
2.4449.68

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 54.09α = 90
b = 88.49β = 105.72
c = 66.37γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-rayIMAGE PLATEMARRESEARCH2006-05-19MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU RU3001.5418

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
13.550970.2672.24.43753922
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)
13.53.6394.50.440.9718

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (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 REPLACEMENTTHROUGHOUT3.527.87710734597.060.202680.198530.29262RANDOM23.352
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]
-0.01-0.09-0.190.15
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg41.989
r_dihedral_angle_3_deg24.105
r_dihedral_angle_4_deg17.126
r_dihedral_angle_1_deg8.988
r_scangle_it8.643
r_scbond_it6.522
r_angle_refined_deg4.126
r_mcangle_it3.687
r_mcbond_it2.711
r_symmetry_vdw_refined0.372
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg41.989
r_dihedral_angle_3_deg24.105
r_dihedral_angle_4_deg17.126
r_dihedral_angle_1_deg8.988
r_scangle_it8.643
r_scbond_it6.522
r_angle_refined_deg4.126
r_mcangle_it3.687
r_mcbond_it2.711
r_symmetry_vdw_refined0.372
r_nbtor_refined0.354
r_nbd_refined0.285
r_chiral_restr0.258
r_symmetry_hbond_refined0.214
r_xyhbond_nbd_refined0.157
r_bond_refined_d0.06
r_gen_planes_refined0.019
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4416
Nucleic Acid Atoms
Solvent Atoms
Heterogen Atoms172

Software

Software
Software NamePurpose
REFMACrefinement
MAR345data collection
AUTOMARdata reduction
AMoREphasing