4CDH

Crystallographic structure of the Human Igg1 alpha 2-6 sialilated Fc-Fragment


X-RAY DIFFRACTION

Crystallization

Crystalization Experiments
IDMethodpHTemperatureDetails
1VAPOR DIFFUSION, SITTING DROP298CRYSTALLIZATION TRIALS WERE PERFORMED AT 18 C BY THE SITTING DROP VAPOUR DIFFUSION METHOD. CRYSTALS GROWN BY MIXING 1 UL OF FC-SIAL (9 MG/ML IN PBS) WITH 3 UL OF PRECIPITANT SOLUTION CONSISTING OF 0.1M HEPES PH7, 16% PEG 6000, VAPOR DIFFUSION, TEMPERATURE 298K
Crystal Properties
Matthews coefficientSolvent content
2.7455.06

Crystal Data

Unit Cell
Length ( Å )Angle ( ˚ )
a = 49.59α = 90
b = 80.15β = 90
c = 140.21γ = 90
Symmetry
Space GroupP 21 21 21

Diffraction

Diffraction Experiment
ID #Crystal IDScattering TypeData Collection TemperatureDetectorDetector TypeDetailsCollection DateMonochromatorProtocol
11x-ray100 MSINGLE WAVELENGTH
Radiation Source
ID #SourceTypeWavelength ListSynchrotron SiteBeamline
1SYNCHROTRONESRFESRFID23-1

Data Collection

Overall
ID #Resolution (High)Resolution (Low)Percent Possible (Observed)R Merge 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
12.320.11000.0911.76.4242792

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 DIFFRACTIONOTHERTHROUGHOUTNONE2.320.124279130099.960.236470.233980.28215RANDOM43.124
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]
-0.890.320.57
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg37.128
r_dihedral_angle_3_deg20.289
r_dihedral_angle_4_deg14.417
r_dihedral_angle_1_deg8.158
r_angle_refined_deg2.069
r_angle_other_deg0.911
r_chiral_restr0.107
r_bond_refined_d0.016
r_gen_planes_refined0.009
r_bond_other_d0.001
RMS Deviations
KeyRefinement Restraint Deviation
r_dihedral_angle_2_deg37.128
r_dihedral_angle_3_deg20.289
r_dihedral_angle_4_deg14.417
r_dihedral_angle_1_deg8.158
r_angle_refined_deg2.069
r_angle_other_deg0.911
r_chiral_restr0.107
r_bond_refined_d0.016
r_gen_planes_refined0.009
r_bond_other_d0.001
r_gen_planes_other0.001
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_mcbond_it
r_mcbond_other
r_mcangle_it
r_mcangle_other
r_scbond_it
r_scbond_other
r_scangle_it
r_scangle_other
r_long_range_B_refined
r_long_range_B_other
r_rigid_bond_restr
r_sphericity_free
r_sphericity_bonded
Non-Hydrogen Atoms Used in Refinement
Non-Hydrogen AtomsNumber
Protein Atoms3316
Nucleic Acid Atoms
Solvent Atoms82
Heterogen Atoms221

Software

Software
Software NamePurpose
REFMACrefinement