3A0G

Crystal structure analysis of guinea pig oxyhemoglobin at 2.5 angstroms resolution


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1HHOPDB ENTRY 1HHO

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP7.529155% PEG 3350 with HPLC grade water, pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 291K
Crystal Properties
Matthews coefficientSolvent content
2.5451.55

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 90.37α = 90
b = 84.217β = 90
c = 83.26γ = 90
Symmetry
Space GroupC 2 2 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray291IMAGE PLATEMAR scanner 345 mm plate2007-03-12MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU RUH3R1.5418

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (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
12.528.8910470
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
2.528.89

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 1HHO2.528.891047084099.950.163380.158710.21951RANDOM21.007
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]
0.01-0.01
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg36.876
r_dihedral_angle_4_deg19.937
r_dihedral_angle_3_deg19.025
r_dihedral_angle_1_deg6.813
r_scangle_it5.532
r_scbond_it3.634
r_angle_refined_deg2.388
r_mcangle_it2.252
r_mcbond_it1.317
r_nbtor_refined0.316
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg36.876
r_dihedral_angle_4_deg19.937
r_dihedral_angle_3_deg19.025
r_dihedral_angle_1_deg6.813
r_scangle_it5.532
r_scbond_it3.634
r_angle_refined_deg2.388
r_mcangle_it2.252
r_mcbond_it1.317
r_nbtor_refined0.316
r_metal_ion_refined0.253
r_nbd_refined0.232
r_symmetry_vdw_refined0.222
r_xyhbond_nbd_refined0.218
r_symmetry_hbond_refined0.197
r_chiral_restr0.161
r_bond_refined_d0.026
r_gen_planes_refined0.009
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2152
Nucleic Acid Atoms
Solvent Atoms47
Heterogen Atoms90

Software

Software
Software NamePurpose
REFMACrefinement
MAR345data collection
AUTOMARdata reduction
SCALEPACKdata scaling
AMoREphasing