1Y4V

T-To-T(High) quaternary transitions in human hemoglobin: betaC93A deoxy low-salt (1 test set)


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1Y0TPDB ENTRY 1Y0T

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
2.5451.66

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 97α = 90
b = 99β = 90
c = 65.8γ = 90
Symmetry
Space GroupP 21 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray298AREA DETECTORSDMSGRAPHITE1994-11-19MSINGLE 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
11.845090.80.06611.23.85052250522
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)
1.841.9868.80.2391.62.37568

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUTPDB ENTRY 1Y0T1.841024932844551290490.80.180.23MATCHED TO PDB ENTRY 1Y0T24.33
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]
RMS Deviations
KeyRefinement Restraint Deviation
p_transverse_tor31.9
p_staggered_tor20.7
p_scangle_it6.883
p_scbond_it5.18
p_mcangle_it3.157
p_mcbond_it2.341
p_planar_tor2.3
p_xyhbond_nbd0.174
p_multtor_nbd0.171
p_singtor_nbd0.164
RMS Deviations
KeyRefinement Restraint Deviation
p_transverse_tor31.9
p_staggered_tor20.7
p_scangle_it6.883
p_scbond_it5.18
p_mcangle_it3.157
p_mcbond_it2.341
p_planar_tor2.3
p_xyhbond_nbd0.174
p_multtor_nbd0.171
p_singtor_nbd0.164
p_chiral_restr0.139
p_hb_or_metal_coord0.116
p_planar_d0.042
p_angle_d0.026
p_bond_d0.011
p_plane_restr0.011
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4384
Nucleic Acid Atoms
Solvent Atoms194
Heterogen Atoms172

Software

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