1Y45

T-To-T(high) quaternary transitions in human hemoglobin: betaP36A 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
2.5551.75

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 96.9α = 90
b = 99β = 90
c = 66γ = 90
Symmetry
Space GroupP 21 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray298AREA DETECTORSDMSGRAPHITE1995-10-23MSINGLE 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
125096.80.05210.96.243038
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)
22.1385.80.2052.23.17489

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 1Y0W21037966422397.630.180330.177080.2093210 unique test sets matched to pdb entry 1Y0W23.237
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]
-0.171.12-0.95
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_3_deg16.443
r_scangle_it3.775
r_dihedral_angle_1_deg3.387
r_scbond_it2.317
r_angle_refined_deg1.55
r_mcangle_it1.457
r_angle_other_deg1.106
r_mcbond_it0.743
r_nbd_refined0.237
r_symmetry_hbond_refined0.229
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_3_deg16.443
r_scangle_it3.775
r_dihedral_angle_1_deg3.387
r_scbond_it2.317
r_angle_refined_deg1.55
r_mcangle_it1.457
r_angle_other_deg1.106
r_mcbond_it0.743
r_nbd_refined0.237
r_symmetry_hbond_refined0.229
r_symmetry_vdw_other0.216
r_nbd_other0.196
r_xyhbond_nbd_refined0.192
r_symmetry_vdw_refined0.143
r_xyhbond_nbd_other0.091
r_chiral_restr0.086
r_bond_refined_d0.016
r_gen_planes_refined0.006
r_gen_planes_other0.006
r_bond_other_d
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4382
Nucleic Acid Atoms
Solvent Atoms175
Heterogen Atoms172

Software

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