9QS9 | pdb_00009qs9

Structure and mechanism of the broad spectrum CRISPR-associated ring nuclease Crn4


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
in silico modelAlphaFold 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP5.529323.8% PEG3350, 0.2M magnesium chloride, 0.1M bis-Tris pH 5.5
Crystal Properties
Matthews coefficientSolvent content
2.550.8

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 66.271α = 90
b = 102.899β = 103.881
c = 72.442γ = 90
Symmetry
Space GroupP 1 21 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS EIGER2 S 16M2024-07-05MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONDIAMOND BEAMLINE I040.9537DiamondI04

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
11.44102.91000.0680.99811.26.9169690
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)
11.441.472.1010.299

Refinement

Statistics
Diffraction IDStructure Solution MethodCross Validation methodResolution (High)Resolution (Low)Number Reflections (Observed)Number Reflections (R-Free)Percent Reflections (Observed)R-Factor (All)R-Work (Depositor)R-Work (DCC)R-Free (Depositor)R-Free (DCC)Mean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTFREE R-VALUE1.44170.425166107195197.8680.2220.2220.22960.23950.245728.045
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]
-0.6550.469-0.7341.031
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_6_deg13.849
r_dihedral_angle_3_deg9.58
r_dihedral_angle_1_deg5.877
r_dihedral_angle_2_deg4.915
r_lrange_it4.299
r_lrange_other4.275
r_mcangle_it2.086
r_mcangle_other2.086
r_scangle_it2.069
r_scangle_other2.069
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_6_deg13.849
r_dihedral_angle_3_deg9.58
r_dihedral_angle_1_deg5.877
r_dihedral_angle_2_deg4.915
r_lrange_it4.299
r_lrange_other4.275
r_mcangle_it2.086
r_mcangle_other2.086
r_scangle_it2.069
r_scangle_other2.069
r_scbond_it1.207
r_scbond_other1.207
r_mcbond_it1.193
r_mcbond_other1.193
r_angle_refined_deg0.987
r_angle_other_deg0.425
r_dihedral_angle_other_2_deg0.336
r_nbd_other0.219
r_nbd_refined0.206
r_symmetry_nbd_other0.195
r_nbtor_refined0.167
r_symmetry_xyhbond_nbd_refined0.122
r_xyhbond_nbd_refined0.101
r_symmetry_nbd_refined0.093
r_symmetry_nbtor_other0.081
r_ncsr_local_group_60.076
r_ncsr_local_group_40.075
r_ncsr_local_group_120.075
r_ncsr_local_group_140.074
r_ncsr_local_group_30.073
r_ncsr_local_group_90.073
r_ncsr_local_group_150.071
r_ncsr_local_group_50.07
r_ncsr_local_group_70.069
r_ncsr_local_group_100.067
r_ncsr_local_group_10.066
r_ncsr_local_group_110.066
r_ncsr_local_group_130.062
r_ncsr_local_group_20.059
r_ncsr_local_group_80.051
r_chiral_restr0.046
r_bond_refined_d0.003
r_gen_planes_refined0.003
r_bond_other_d0.001
r_gen_planes_other0.001
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms5626
Nucleic Acid Atoms396
Solvent Atoms693
Heterogen Atoms7

Software

Software
Software NamePurpose
REFMACrefinement
xia2data reduction
xia2data scaling
PHASERphasing