3OLG

Structures of human pancreatic alpha-amylase in complex with acarviostatin III03


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1B2Y 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP7.529360% 2-methylpentan-2,4 diol, 100mM cacodylate pH 7.5, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
2.3748.02

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 52.379α = 90
b = 74.529β = 90
c = 135.743γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100IMAGE PLATEMAR555 FLAT PANEL2009-12-13MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONBSRF BEAMLINE 1W2B1.0BSRF1W2B

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (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
12.340.8799.824605230365218.3
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
2.32.3498.3

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT1B2Y2.340.872460523036111394.60.1930.1930.216RANDOM23.9
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]
1.14-3.061.92
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d24.7
c_scangle_it2.5
c_scbond_it1.75
c_angle_deg1.6
c_mcangle_it1.53
c_improper_angle_d1.23
c_mcbond_it0.96
c_bond_d0.008
c_bond_d_na
c_bond_d_prot
RMS Deviations
KeyRefinement Restraint Deviation
c_dihedral_angle_d24.7
c_scangle_it2.5
c_scbond_it1.75
c_angle_deg1.6
c_mcangle_it1.53
c_improper_angle_d1.23
c_mcbond_it0.96
c_bond_d0.008
c_bond_d_na
c_bond_d_prot
c_angle_d
c_angle_d_na
c_angle_d_prot
c_angle_deg_na
c_angle_deg_prot
c_dihedral_angle_d_na
c_dihedral_angle_d_prot
c_improper_angle_d_na
c_improper_angle_d_prot
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3939
Nucleic Acid Atoms
Solvent Atoms263
Heterogen Atoms182

Software

Software
Software NamePurpose
MAR345dtbdata collection
PHASESphasing
CNSrefinement
HKL-2000data reduction
HKL-2000data scaling