1HUJ

REFINED STRUCTURE OF YEAST INORGANIC PYROPHOSPHATASE AND ITS K61R MUTANT


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1microliter drops6.5277CRYSTALLIZATION CONDITIONS: 10 MG/ML PROTEIN IN 0.1 M MES (PH 6.5) BUFFER. 10 MICROLITER DROPS IN 9 WELL DEPRESSION PLATE IN A PLASTIC SANDWICH BOX CONTAINING 15 MILLILITER OF 0.1 M MES(PH 6.5) + 16 % MPD. EVERY ALTERNATE DAY, MPD CONCENTRATION INCREASED BY 1 % UNTIL FINAL CONCENTRATION REACHED 25 %. 4 DEGREE C. WITHIN 15 DAYS, 0.2 X 0.3 X 0.4 MM CRYSTALS., microliter drops, temperature 277K
Crystal Properties
Matthews coefficientSolvent content
2.643

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 69.05α = 90
b = 92.52β = 99.47
c = 51.58γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray93IMAGE PLATERIGAKUMSC/YALE MIRRORS1995-03-26M
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Sym 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
12.13091.60.0892.73191919.1

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 REPLACEMENTTHROUGHOUTLOW RESOLUTION STRUCTURE (PDB ENTRY 1PYP)2.1829811299793.70.2090.2090.272RANDOM24
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
x_dihedral_angle_d26.8
x_scangle_it5.77
x_scbond_it4.15
x_mcangle_it3.59
x_mcbond_it2.49
x_improper_angle_d2.11
x_angle_deg1.1
x_bond_d0.009
x_bond_d_na
x_bond_d_prot
RMS Deviations
KeyRefinement Restraint Deviation
x_dihedral_angle_d26.8
x_scangle_it5.77
x_scbond_it4.15
x_mcangle_it3.59
x_mcbond_it2.49
x_improper_angle_d2.11
x_angle_deg1.1
x_bond_d0.009
x_bond_d_na
x_bond_d_prot
x_angle_d
x_angle_d_na
x_angle_d_prot
x_angle_deg_na
x_angle_deg_prot
x_dihedral_angle_d_na
x_dihedral_angle_d_prot
x_improper_angle_d_na
x_improper_angle_d_prot
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4496
Nucleic Acid Atoms
Solvent Atoms313
Heterogen Atoms2

Software

Software
Software NamePurpose
AMoREphasing
X-PLORrefinement
DENZOdata reduction