9QGX | pdb_00009qgx

SciA(H42A) endonuclease from Escherichia phage T5 in complex with 10 bp DNA (GCGC sequence 1)


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
in silico modelAlphaFold 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP72900.2 M sodium acetate trihydrate pH 7.0 and 20% (w/v) PEG 3350 (PEGIon screen condition G2, Hampton Research)
Crystal Properties
Matthews coefficientSolvent content
2.0540.05

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 33.125α = 90
b = 72.122β = 96.627
c = 40.334γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray80PIXELDECTRIS EIGER2 XE 16M2023-12-09MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONDIAMOND BEAMLINE I040.95373DiamondI04

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)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
12.34736.0699.60.2060.9886.26.7792737.75
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)CC (Half)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
12.3472.38902.0530.2970.54.4

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-VALUE2.3532.91.33782741798.60.21960.21690.21820.26650.265758.56
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_d24.3648
f_angle_d0.4836
f_chiral_restr0.0371
f_plane_restr0.0028
f_bond_d0.0025
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms997
Nucleic Acid Atoms404
Solvent Atoms27
Heterogen Atoms11

Software

Software
Software NamePurpose
PHENIXrefinement
PHENIXrefinement
xia2data reduction
Aimlessdata scaling
PHASERphasing