1B1Y

SEVENFOLD MUTANT OF BARLEY BETA-AMYLASE


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1BTCPDB ENTRY 1BTC

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP7.1HUNGING DROP VAPOR DIFFUSION AGAINST 0.1 M PIPES PH 7.1, 0.1 M MGAC2 AND 14% PEG 6000 WITH A PROTEIN CONCENTRATION OF 3 MG/ML., vapor diffusion - hanging drop
Crystal Properties
Matthews coefficientSolvent content
2.857.43

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 72.11α = 90
b = 72.11β = 90
c = 250.51γ = 90
Symmetry
Space GroupP 43 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray291AREA DETECTORSIEMENS1996-04-01MSINGLE WAVELENGTH
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
12.52094.30.0865.4226311

Refinement

Statistics
Diffraction IDStructure Solution MethodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTPDB ENTRY 1BTC2.51021873279.90.1870.1870.256RANDOM31.14
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]
-2.89-2.895.79
RMS Deviations
KeyRefinement Restraint Deviation
x_dihedral_angle_d24.77
x_angle_deg3.24
x_improper_angle_d1.22
x_bond_d0.014
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_d24.77
x_angle_deg3.24
x_improper_angle_d1.22
x_bond_d0.014
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 Atoms3973
Nucleic Acid Atoms
Solvent Atoms140
Heterogen Atoms35

Software

Software
Software NamePurpose
X-PLORmodel building
X-PLORrefinement
SAINTdata reduction
SAINTdata scaling
X-PLORphasing