1GLF

CRYSTAL STRUCTURES OF ESCHERICHIA COLI GLYCEROL KINASE AND THE MUTANT A65T IN AN INACTIVE TETRAMER: CONFORMATIONAL CHANGES AND IMPLICATIONS FOR ALLOSTERIC REGULATION


X-RAY DIFFRACTION

Starting Model(s)

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

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
16.5pH 6.50
Crystal Properties
Matthews coefficientSolvent content
2.6553.6

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 92.1α = 90
b = 117.4β = 93.1
c = 108.4γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray298AREA DETECTORSDMS1990-08-01MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU RU2001.5418

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
12.6220840.076358942220.9

Refinement

Statistics
Diffraction IDStructure Solution MethodStarting modelResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENT1GLA2.622058942840.146
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_dihedral_angle_d20.904
t_it9.87
t_angle_deg2.99
t_nbd0.034
t_bond_d0.02
t_gen_planes0.019
t_trig_c_planes0.017
t_incorr_chiral_ct
t_pseud_angle
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms15639
Nucleic Acid Atoms
Solvent Atoms200
Heterogen Atoms142

Software

Software
Software NamePurpose
FRFSUMmodel building
UNPUBLISHEDmodel building
TNTrefinement
SDMSdata reduction
SDMSdata scaling
FRFSUMphasing
UNPUBLISHEDphasing