1BU6

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 1GLF 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP8.520-22% (W/V) POLYETHYLENE GLYCOL MR 4000 0.2 M LISO4 0.1 M TRIS PH 8.5 - 8.8 CRYSTALLIZED BY HANGING DROP VAPOR DIFFUSION AT ROOM TEMPERATURE., vapor diffusion - hanging drop
Crystal Properties
Matthews coefficientSolvent content
2.6553.1

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 91.9α = 90
b = 119β = 103.4
c = 109.3γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray298AREA DETECTORSDMS1994-08-15MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU RU200

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
12.3720740.068269682232.3

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 REPLACEMENT1GLF2.372069682740.167
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_d20.528
t_it9.34
t_angle_deg2.928
t_nbd0.032
t_bond_d0.019
t_gen_planes0.019
t_trig_c_planes0.018
t_incorr_chiral_ct
t_pseud_angle
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms15621
Nucleic Acid Atoms
Solvent Atoms140
Heterogen Atoms54

Software

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