7UHN

Time-Resolved Structure of Metallo Beta-Lactamase L1 in a Complex with Cleaved Moxalactam (300 ms Snapshot)


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1BATCH MODE289Batch crystallization done in polypropylene tubes. 200 ul of the L1 (48 mg/ml) in a buffer 0.015 Tris, 0.1 M KCl, 1.5 mM TCEP, 5 mM ZnCl2 pH 7.0 was added to 200 ul of 0.15 M sodium malonate pH 8.0, 20% (w/v) PEG3350.
Crystal Properties
Matthews coefficientSolvent content
2.7455.11

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 105.853α = 90
b = 105.853β = 90
c = 99.1γ = 120
Symmetry
Space GroupP 64 2 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray295CCDRAYONIX MX340-HS2020-02-12LLAUE
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONAPS BEAMLINE 14-ID-B1.02-1.15APS14-ID-B

Serial Crystallography

Sample delivery method
Diffraction IDDescriptionSample Delivery Method
1Nylon Meshfixed target
Fixed Target
Diffraction IDDescriptionSample HoldingSupport BaseMotion controlSample Solvent
1ALEX mesh holdernylon meshxyz stageSmarAct Motors viaPMAC start/stop raster over area
Data Reduction
Diffraction IDFrames IndexedCrystal HitsTotal Frames
19919154410

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
12.233.0364.20.12617.36.51098210.34
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)
12.22.30.091

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodStarting modelResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-WorkR-FreeMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTFREE R-VALUE7L912.233.031091851863.390.20140.19910.246315.23
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
f_dihedral_angle_d18.857
f_angle_d0.5011
f_chiral_restr0.0399
f_plane_restr0.0036
f_bond_d0.0016
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms1986
Nucleic Acid Atoms
Solvent Atoms86
Heterogen Atoms26

Software

Software
Software NamePurpose
PHENIXrefinement
MOLREPphasing
Precognitiondata reduction
Epinormdata scaling