1Y4G

T-To-T(High) quaternary transitions in human hemoglobin: betaW37G deoxy low-salt (10 test sets)


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1Y0WPDB ENTRY 1Y0W

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1batch729810% PEG 6000, 10 mM potassium phosphate, 100 mM potassium chloride, 3 mM sodium dithionite, 10 mg/ml Hb, pH 7.0, batch, temperature 298K
Crystal Properties
Matthews coefficientSolvent content
2.5651.98

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 96.4α = 90
b = 99.2β = 90
c = 66.3γ = 90
Symmetry
Space GroupP 21 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray298AREA DETECTORSDMSGRAPHITE1995-07-29MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU RU2001.5418

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
11.915091.70.08610.264473744737
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)
1.912.0775.70.2951.43.27177

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 REPLACEMENTTHROUGHOUT AND LOCALRFREEPDB ENTRY 1Y0W1.911042278471293.220.202760.199140.2352410 SETS MATCHED TO PDB ENTRY 1Y0W25.771
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]
-0.171.83-1.66
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_3_deg17.18
r_scangle_it3.771
r_dihedral_angle_1_deg3.478
r_scbond_it2.384
r_angle_refined_deg1.687
r_mcangle_it1.477
r_angle_other_deg1.154
r_mcbond_it0.775
r_nbd_refined0.239
r_symmetry_vdw_other0.236
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_3_deg17.18
r_scangle_it3.771
r_dihedral_angle_1_deg3.478
r_scbond_it2.384
r_angle_refined_deg1.687
r_mcangle_it1.477
r_angle_other_deg1.154
r_mcbond_it0.775
r_nbd_refined0.239
r_symmetry_vdw_other0.236
r_symmetry_hbond_refined0.212
r_nbd_other0.199
r_xyhbond_nbd_refined0.192
r_symmetry_vdw_refined0.139
r_xyhbond_nbd_other0.112
r_chiral_restr0.094
r_bond_refined_d0.017
r_gen_planes_refined0.007
r_gen_planes_other0.006
r_bond_other_d
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4366
Nucleic Acid Atoms
Solvent Atoms175
Heterogen Atoms172

Software

Software
Software NamePurpose
SDMSdata collection
SDMSdata reduction
X-PLORmodel building
REFMACrefinement
SDMSdata scaling
X-PLORphasing