6S6M

Crystal structure of the human LL37(17-29) antimicrobial peptide


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, HANGING DROP293Reservoir contained 0.2 M Sodium Acetate, 0.1 M TRIS pH 8.5, 30 %w/v PEG 4K
Crystal Properties
Matthews coefficientSolvent content
2.0740.48

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 41.45α = 90
b = 41.45β = 90
c = 57.47γ = 120
Symmetry
Space GroupP 61 2 2

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS EIGER X 16M2018-07-07MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONPETRA III, EMBL c/o DESY BEAMLINE P14 (MX2)0.9763PETRA III, EMBL c/o DESYP14 (MX2)

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge I (Observed)Rrim 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
11.3519.598.70.0560.060.99721.468.82678221.958
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)Rrim I (All)CC (Half)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.351.3999.80.7880.8390.8973.538.851

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-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT1.3519.5610367998.660.23570.23210.2679RANDOM16.795
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]
-0.16-0.08-0.160.52
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg26.288
r_dihedral_angle_3_deg14.264
r_dihedral_angle_4_deg8.379
r_dihedral_angle_1_deg3.465
r_angle_refined_deg1.613
r_angle_other_deg1.377
r_chiral_restr0.072
r_bond_other_d0.03
r_bond_refined_d0.011
r_gen_planes_refined0.007
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg26.288
r_dihedral_angle_3_deg14.264
r_dihedral_angle_4_deg8.379
r_dihedral_angle_1_deg3.465
r_angle_refined_deg1.613
r_angle_other_deg1.377
r_chiral_restr0.072
r_bond_other_d0.03
r_bond_refined_d0.011
r_gen_planes_refined0.007
r_gen_planes_other0.001
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms244
Nucleic Acid Atoms
Solvent Atoms31
Heterogen Atoms

Software

Software
Software NamePurpose
REFMACrefinement
XDSdata reduction
XSCALEdata scaling
PHASERphasing
PDB_EXTRACTdata extraction