1GZX

Oxy T State Haemoglobin - Oxygen bound at all four haems


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
17.2BATCH CRYSTALLISATION, OXYHB (75-90 MG/ML) IN 50MM POTASSIUM PHOSPHATE (PH 7.2), 22-28% PEG 8000 AND A 5 MOLAR EXCESS OF THE ALLOSTERIC EFFECTOR IHP
Crystal Properties
Matthews coefficientSolvent content
2.4857.4

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 97.05α = 90
b = 99.5β = 90
c = 66.11γ = 90
Symmetry
Space GroupP 21 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray277.15IMAGE PLATERIGAKU IMAGE PLATEMSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU RU200

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
12.150950.096.14.535441
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)
12.12.25850.3092.34.1

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 REPLACEMENTFREE R-VALUEPDN ENTRY 1HGA2.110243271216950.1950.1990.221RANDOM
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]
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4384
Nucleic Acid Atoms
Solvent Atoms205
Heterogen Atoms180

Software

Software
Software NamePurpose
PROLSQrefinement
MOSFLMdata reduction
ROTAVATAdata scaling
PROLSQphasing