8B15 | pdb_00008b15

A pentameric barrel state of a de novo coiled-coil assembly: CC-Pent2-I10Q


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 7BAS7BAS

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP6.52931.5mM peptide, 50 mM Imidazole, 50 mM MES (acid), 30 mM MgCl2, 30 mM CaCl2, with 1,2-Ethanediol EDO_P8K 15.0% v/v, at pH 6.5.
Crystal Properties
Matthews coefficientSolvent content
2.2645.49

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 40.273α = 90
b = 40.273β = 90
c = 162.422γ = 120
Symmetry
Space GroupP 31

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS EIGER X 16M2021-10-01MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONDIAMOND BEAMLINE I040.9795DiamondI04

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
11.934.999.90.15090.15850.048340.9987.7510.623144
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)
11.9021.9799.781.9762.0750.6290.3490.4510.7

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-Work (Depositor)R-Work (DCC)R-Free (Depositor)R-Free (DCC)R-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT7BAS1.934.922097104499.960.2150.21340.220.24680.25RANDOM31.042
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]
-0.64-0.32-0.642.07
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_3_deg14.021
r_dihedral_angle_2_deg9.737
r_dihedral_angle_1_deg3.527
r_angle_refined_deg1.015
r_angle_other_deg0.339
r_chiral_restr0.049
r_bond_refined_d0.005
r_gen_planes_refined0.005
r_bond_other_d0.001
r_gen_planes_other0.001
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms2256
Nucleic Acid Atoms
Solvent Atoms127
Heterogen Atoms

Software

Software
Software NamePurpose
REFMACrefinement
Aimlessdata scaling
PHASERphasing
PDB_EXTRACTdata extraction
xia2data reduction