Crystal Structure of the Polycaprolactam (Nylon6) and Poly(Hexamethylene Adipamide) (Nylon66) Hydrolase Nyl12 at Room Temperature


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
in silico modelAlphaFold 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1MICROBATCH2910.09 M HEPES, pH 6.8, 27% w/v PEG3350, 5% v/v cholin acetate (HR Ionic Liquid 5), protein:cocktail ratio of 2:1
Crystal Properties
Matthews coefficientSolvent content
2.3948.5

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 77.593α = 90
b = 79.428β = 90
c = 108.777γ = 90
Symmetry
Space GroupP 2 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray298PIXELDECTRIS EIGER R 4MOsmic VariMax2025-04-01MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1ROTATING ANODERIGAKU MICROMAX-007 HF1.541838

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
11.929.6499.90.0630.0690.0280.98913.35.953622
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)
11.91.9499.90.6370.7370.3640.7234

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)R-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT1.929.3750888268899.80.153270.151040.16250.195850.2007RANDOM31.37
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]
0.35-0.660.31
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_3_deg15.499
r_dihedral_angle_2_deg14.264
r_long_range_B_refined9.462
r_long_range_B_other9.462
r_scangle_other8.98
r_dihedral_angle_1_deg6.904
r_scbond_it6.342
r_scbond_other6.341
r_mcangle_other5.129
r_mcangle_it5.127
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_3_deg15.499
r_dihedral_angle_2_deg14.264
r_long_range_B_refined9.462
r_long_range_B_other9.462
r_scangle_other8.98
r_dihedral_angle_1_deg6.904
r_scbond_it6.342
r_scbond_other6.341
r_mcangle_other5.129
r_mcangle_it5.127
r_mcbond_it3.97
r_mcbond_other3.969
r_angle_refined_deg2.293
r_angle_other_deg0.811
r_chiral_restr0.139
r_bond_refined_d0.016
r_gen_planes_refined0.013
r_bond_other_d0.001
r_gen_planes_other0.001
r_dihedral_angle_4_deg
r_nbd_refined
r_nbd_other
r_nbtor_refined
r_nbtor_other
r_xyhbond_nbd_refined
r_xyhbond_nbd_other
r_metal_ion_refined
r_metal_ion_other
r_symmetry_vdw_refined
r_symmetry_vdw_other
r_symmetry_hbond_refined
r_symmetry_hbond_other
r_symmetry_metal_ion_refined
r_symmetry_metal_ion_other
r_scangle_it
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms4657
Nucleic Acid Atoms
Solvent Atoms182
Heterogen Atoms17

Software

Software
Software NamePurpose
REFMACrefinement
Aimlessdata scaling
PHASERphasing
PDB_EXTRACTdata extraction
CrysalisProdata reduction