1ALI

ALKALINE PHOSPHATASE MUTANT (H412N)


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1THE STRUCTURE IS OF A MUTANT ALKALINE PHOSPHATE (H412N) IN WHICH HIS 412 IS REPLACED BY ASN, DETERMINED WITH CRYSTALS SOAKED IN STABILIZATION BUFFER CONTAINING 10 MM ZINC CHLORIDE. THERE ARE TWO ZINCS AND ONE MAGNESIUM COMPLEXED WITH AN INORGANIC PHOSPHATE BOUND IN EACH OF THE TWO ACTIVE SITES.
Crystal Properties
Matthews coefficientSolvent content
3.3162.88

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 194.86α = 90
b = 167.43β = 90
c = 76.53γ = 90
Symmetry
Space GroupI 2 2 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-rayAREA DETECTORADSC1994-01-23M
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1

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
12.139.399.30.0873.5639983

Refinement

Statistics
Diffraction IDStructure Solution MethodResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTION2.28618760.1740.174
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_d23
x_angle_deg2.03
x_improper_angle_d1.58
x_bond_d0.02
x_bond_d_na
x_bond_d_prot
x_angle_d
x_angle_d_na
x_angle_d_prot
x_angle_deg_na
RMS Deviations
KeyRefinement Restraint Deviation
x_dihedral_angle_d23
x_angle_deg2.03
x_improper_angle_d1.58
x_bond_d0.02
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
x_mcbond_it
x_mcangle_it
x_scbond_it
x_scangle_it
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms6558
Nucleic Acid Atoms
Solvent Atoms239
Heterogen Atoms16

Software

Software
Software NamePurpose
ADSCdata collection
X-PLORmodel building
X-PLORrefinement
X-PLORphasing