MboA with Leu-Ala-Arg peptide substrate bound


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
in silico modelAlphaFold 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP4.8298MboA crystals were prepared via the hanging drop vapor diffusion method. Hanging drops were prepared by combining equal volumes of MboA (9 mg per mL) protein solution and reservoir solution (0.4 M lithium sulfate and 0.1 M sodium acetate, pH 4.8) for a total drop volume of 2 uL. The substrate bound structure was prepared by incubating apo crystals with 0.3 uL of 100 mM LAR in 0.1 M sodium acetate, pH 4.6 for two hours prior to looping. Crystals were cryoprotected with the addition of 0.75 uL of 40% glycerol in 0.1 M sodium acetate, pH 4.6 and flash frozen in LN2
Crystal Properties
Matthews coefficientSolvent content
4.2871.26

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 157.741α = 90
b = 157.741β = 90
c = 157.014γ = 90
Symmetry
Space GroupP 43 21 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS EIGER X 9M2025-03-28MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONNSLS-II BEAMLINE 17-ID-10.92NSLS-II17-ID-1

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)Rrim I (All)Rpim I (All)CC (Half)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
12.243.751000.2570.2660.070.99813.527.6410053533.3
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Rrim I (All)Rpim I (All)CC (Half)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.22.241002.2842.3660.6170.6341.828.34

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Cut-off Sigma (F)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (Observed)R-Work (Depositor)R-Work (DCC)R-Free (Depositor)R-Free (DCC)Mean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTFREE R-VALUE2.243.751.34100432322899.980.1720.17130.17080.19360.193739.58
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_d13.7415
f_angle_d0.7032
f_chiral_restr0.0396
f_bond_d0.0052
f_plane_restr0.005
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms7323
Nucleic Acid Atoms
Solvent Atoms595
Heterogen Atoms174

Software

Software
Software NamePurpose
PHENIXrefinement
autoPROCdata reduction
Aimlessdata scaling
PHASERphasing