1J9M

K38H mutant of Streptomyces K15 DD-transpeptidase


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP7.2293Tris 0.1 M, PEG 6K 30%, NaCl 0.4 M, pH 7.2, VAPOR DIFFUSION, HANGING DROP, temperature 293K
Crystal Properties
Matthews coefficientSolvent content
2.3347.12

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 45.596α = 90
b = 53.638β = 90
c = 104.69γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100CCDMARRESEARCH1999-06-05MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRF BEAMLINE ID14-30.933ESRFID14-3

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
11.5634.7185.90.03819.133.7374273433217.1
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)
11.561.639.70.1391.8

Refinement

Statistics
Diffraction IDStructure Solution MethodResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENT1.658230376152996.90.2180.2180.256RANDOM15
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
x_dihedral_angle_d24.6
x_scangle_it3.26
x_scbond_it2.17
x_mcangle_it1.62
x_angle_deg1.2
x_mcbond_it1.06
x_improper_angle_d0.66
x_bond_d0.007
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1894
Nucleic Acid Atoms
Solvent Atoms197
Heterogen Atoms2

Software

Software
Software NamePurpose
XDSdata reduction
AMoREphasing
X-PLORrefinement
XDSdata scaling