2B7H

Hemoglobin from Cerdocyon thous, a canidae from Brazil, at 2.2 Angstroms resolution


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1FHJPDB entry 1FHJ

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP7.829316 % polyethyleneglycol (PEG), 0.1 M Hepes Na, pH 7.8, VAPOR DIFFUSION, SITTING DROP, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
2.346.5

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 52.731α = 90
b = 84.237β = 90
c = 130.285γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARRESEARCH2004-03-19MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONLNLS BEAMLINE D03B-MX11.4270LNLSD03B-MX1

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
12.24099.90.07229.18302193021926.907
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)
12.22.281000.30677.82948

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)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 1FHJ2.2303016328633153099.910.16850.16850.1650.23266RANDOM27.571
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]
-1-0.151.15
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg36.13
r_dihedral_angle_3_deg14.431
r_dihedral_angle_4_deg12.223
r_dihedral_angle_1_deg5.525
r_scangle_it2.996
r_scbond_it2.048
r_angle_refined_deg1.399
r_mcangle_it1.196
r_mcbond_it0.707
r_nbtor_refined0.312
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg36.13
r_dihedral_angle_3_deg14.431
r_dihedral_angle_4_deg12.223
r_dihedral_angle_1_deg5.525
r_scangle_it2.996
r_scbond_it2.048
r_angle_refined_deg1.399
r_mcangle_it1.196
r_mcbond_it0.707
r_nbtor_refined0.312
r_nbd_refined0.216
r_xyhbond_nbd_refined0.161
r_symmetry_hbond_refined0.156
r_symmetry_vdw_refined0.151
r_chiral_restr0.092
r_metal_ion_refined0.025
r_bond_refined_d0.015
r_gen_planes_refined0.006
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4395
Nucleic Acid Atoms
Solvent Atoms443
Heterogen Atoms182

Software

Software
Software NamePurpose
REFMACrefinement
HKL-2000data reduction
HKL-2000data scaling
MOLREPphasing