1XEJ

THE CRYSTAL STRUCTURES OF LYSOZYME AT VERY LOW LEVELS OF HYDRATION


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelOtherTHE 38% RELATIVE HUMIDITY FORM I STRUCTURE

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
14.6pH 4.6
Crystal Properties
Matthews coefficientSolvent content
1.5219.2

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 26.345α = 90
b = 55.885β = 109.98
c = 31.55γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray293AREA DETECTORSIEMENS1992-10-04
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1

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
12.11090.490.062914.082.7648472
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)
12.0612.14448.50.3072.551.65

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTA POSTERIORITHE 38% RELATIVE HUMIDITY FORM I STRUCTURE2.1104423779.10.1940.283RANDOM30.4
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
p_staggered_tor24.2
p_transverse_tor21
p_scangle_it5.8
p_scbond_it4.9
p_mcangle_it3.9
p_mcbond_it2.7
p_planar_tor2.1
p_multtor_nbd0.365
p_xyhbond_nbd0.335
p_singtor_nbd0.229
RMS Deviations
KeyRefinement Restraint Deviation
p_staggered_tor24.2
p_transverse_tor21
p_scangle_it5.8
p_scbond_it4.9
p_mcangle_it3.9
p_mcbond_it2.7
p_planar_tor2.1
p_multtor_nbd0.365
p_xyhbond_nbd0.335
p_singtor_nbd0.229
p_chiral_restr0.121
p_planar_d0.049
p_angle_d0.044
p_bond_d0.012
p_plane_restr0.01
p_angle_deg
p_hb_or_metal_coord
p_xhyhbond_nbd
p_orthonormal_tor
p_special_tor
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1001
Nucleic Acid Atoms
Solvent Atoms78
Heterogen Atoms

Software

Software
Software NamePurpose
XENGENdata collection
XENGENdata reduction
X-PLORmodel building
PROLSQrefinement
X-PLORrefinement
XENGENdata scaling
X-PLORphasing