3F8V

Evaulaution at Atomic Resolution of the Role of Strain in Destabilizing the Temperature Sensitive T4 Lysozyme Mutant Arg96-->His


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 1L63wild type T4 lysozyme at 1.7 Angstroms and room temp

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP6.32772 M Na/K Phosphate, pH 6.3, VAPOR DIFFUSION, HANGING DROP, temperature 277K
Crystal Properties
Matthews coefficientSolvent content
2.6753.95

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 60.123α = 90
b = 60.123β = 90
c = 95.445γ = 120
Symmetry
Space GroupP 32 2 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100IMAGE PLATEMAR scanner 345 mm plate1999-07-08MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONSSRL BEAMLINE BL9-11.08SSRLBL9-1

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
11.0817.999.50.03820.34.985136725034210.4
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
1.081.1499.50.234.33.411790

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 (All)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONAB INITIOFREE Rl163, wild type T4 lysozyme at 1.7 Angstroms and room temp.1.0817.98513672503424299.50.14350.1380.12890.163RANDOM
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]
Coordinate Error
Structure Solution MethodRefinement High ResolutionRefinement Low Resolution
191264.51535.05
RMS Deviations
KeyRefinement Restraint Deviation
s_approx_iso_adps0.1
s_non_zero_chiral_vol0.074
s_zero_chiral_vol0.071
s_similar_adp_cmpnt0.049
s_anti_bump_dis_restr0.038
s_angle_d0.029
s_from_restr_planes0.0237
s_bond_d0.015
s_rigid_bond_adp_cmpnt0.006
s_similar_dist
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1315
Nucleic Acid Atoms
Solvent Atoms257
Heterogen Atoms17

Software

Software
Software NamePurpose
MAR345dtbdata collection
SHELXmodel building
SHELXL-97refinement
MOSFLMdata reduction
SCALAdata scaling
SHELXphasing