4HAQ

Crystal Structure of a GH7 family cellobiohydrolase from Limnoria quadripunctata in complex with cellobiose and cellotriose


X-RAY DIFFRACTION

Starting Model(s)

Initial Refinement Model(s)
TypeSourceAccession CodeDetails
experimental modelPDB 4GWA 

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOUR DIFFUSION82890.2M MAGNESIUM CHLORIDE, 0.1M BIS-TRIS, 25% w/v PEG 3350, PH 8.0, VAPOUR DIFFUSION, SITTING DROP, TEMPERATURE 289K
Crystal Properties
Matthews coefficientSolvent content
2.1943.83

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 52.39α = 94.39
b = 54.27β = 96.33
c = 72.67γ = 94.99
Symmetry
Space GroupP 1

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100PIXELDECTRIS PILATUS 6M2012-05-06MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONDIAMOND BEAMLINE I020.9173DiamondI02

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Sym I (Observed)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
11.945.04960.1466.73.459787
Highest Resolution Shell
ID #Resolution (High)Resolution (Low)Percent Possible (All)Percent Possible (Observed)R Merge I (Observed)R-Sym I (Observed)Mean I Over Sigma (Observed)RedundancyNumber Unique Reflections (All)
11.9295.40.5130.5131.33.5

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-WorkR-FreeR-Free Selection DetailsMean Isotropic B
X-RAY DIFFRACTIONMOLECULAR REPLACEMENTTHROUGHOUT4GWA1.944.6259782303096.030.1680.16530.2168RANDOM13.627
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]
0.060.01-0.01-0.02-0.04
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg36.738
r_dihedral_angle_4_deg24.407
r_dihedral_angle_3_deg14.42
r_dihedral_angle_1_deg6.907
r_angle_refined_deg2.043
r_chiral_restr0.15
r_bond_refined_d0.019
r_gen_planes_refined0.01
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms6514
Nucleic Acid Atoms
Solvent Atoms564
Heterogen Atoms91

Software

Software
Software NamePurpose
MOSFLMdata reduction
SCALAdata scaling
PHASERphasing
REFMACrefinement
PDB_EXTRACTdata extraction
GDAdata collection