9MD9 | pdb_00009md9

Photoactivation in Bacteriophytochromes; 3ps TR-SFX structure


X-RAY DIFFRACTION

Serial Crystallography (SX)

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 9DZ3 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1BATCH MODE5.6293mother liquor: 0.17 M Ammonium-acetate, 0.085 M Sodium citrate pH 5.6, 25.5 % PEG 4000, 15% glycerol and 3 % Benzamidine protein:motherliquor 3:2
Crystal Properties
Matthews coefficientSolvent content
2.7855.74

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 83.69α = 90
b = 83.4β = 107.63
c = 86.87γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray293PIXELSLAC ePix10k 2M2022-02-24MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1FREE ELECTRON LASERSLAC LCLS BEAMLINE MFX1.3SLAC LCLSMFX

Serial Crystallography

Sample delivery method
Diffraction IDDescriptionSample Delivery Method
1viscous matrixinjection
Measurement
Diffraction IDPulse DurationPulse Repetition RateFocal Spot SizePulse EnergyPhotons Per Pulse
140 (fs)601.59.3 (KeV)
Data Reduction
Diffraction IDFrames IndexedCrystal HitsFrames IndexedLatices Merged
18839814256488398
Injection
Diffraction IDDescriptionFlow RateInjector DiameterInjection PowerInjector NozzleFilter SizeCarrier Solvent
13 (µl/min)undefined (µm)nuclear grade grease (superlube)

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)CC (Half)R Split (All)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
12.324.331000.990.0836.9126250738
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)CC (Half)R Split (All)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.32.341000.1642.350.3

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)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 DIFFRACTIONFOURIER SYNTHESISFREE R-VALUE2.324.3337755192774.640.22760.22390.22390.29560.295625.81
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_d19.6195
f_angle_d1.1057
f_chiral_restr0.0493
f_plane_restr0.0125
f_bond_d0.0081
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms7320
Nucleic Acid Atoms
Solvent Atoms56
Heterogen Atoms95

Software

Software
Software NamePurpose
PHENIXrefinement
CrystFELdata reduction
CrystFELdata scaling
PHENIXrefinement