1F4A

E. COLI (LACZ) BETA-GALACTOSIDASE (NCS CONSTRAINED MONOMER-ORTHORHOMBIC)


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP6.529810% PEG 2KMME, 100 mM Bis-Tris, 200 mM MgCl(2), 1 mM DTT, pH 6.5, VAPOR DIFFUSION, HANGING DROP, temperature 298K
Crystal Properties
Matthews coefficientSolvent content
2.9257.92

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 153.4α = 90
b = 173.4β = 90
c = 204.4γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSRSSRS

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
12.825880.0962.6116158116158
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)
2.8710.32

Refinement

Statistics
Diffraction IDStructure Solution MethodResolution (High)Resolution (Low)Number Reflections (All)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTION2.8251161501161501614880.1670.198Random, with no special precautions due to the ncs.
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
t_angle_deg2.6
t_bond_d0.015
t_incorr_chiral_ct
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms32952
Nucleic Acid Atoms
Solvent Atoms1464
Heterogen Atoms8

Software

Software
Software NamePurpose
SCALEPACKdata scaling
AMoREphasing
MRCHKmodel building
TNTrefinement
MRCHKphasing