Structure of Helix aspersa agglutinin with natural glycosylation and N-acetyl-alpha-D-galactosamine (GalNAc)
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 2CCV | PDB entry 2CCV |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 7 | 293 | 0.05 M Zn(CH3COO)2, 0.1 M HEPES, pH 7.0, 40% MPD, VAPOR DIFFUSION, HANGING DROP, temperature 293K |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.74 | 55.1 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 47.9 | α = 90 |
| b = 47.9 | β = 90 |
| c = 281.53 | γ = 120 |
| Symmetry | |
|---|---|
| Space Group | H 3 2 |
Diffraction
| Diffraction Experiment | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
| 1 | 1 | x-ray | 100 | PIXEL | DECTRIS PILATUS 6M | mirrors | 2013-07-30 | M | SINGLE WAVELENGTH | |||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | PETRA III, EMBL c/o DESY BEAMLINE P13 (MX1) | 0.967 | PETRA III, EMBL c/o DESY | P13 (MX1) |
Data Collection
| Overall | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | Net I Over Average Sigma (I) | Redundancy | Number Reflections (All) | Number Reflections (Observed) | Observed Criterion Sigma (F) | Observed Criterion Sigma (I) | B (Isotropic) From Wilson Plot | ||||||||
| 1 | 1.38 | 46.92 | 100 | 0.034 | 29.35 | 10.54 | 25294 | 25294 | -3 | ||||||||||
| Highest Resolution Shell | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | |||||||||||
| 1 | 1.38 | 1.48 | 100 | 0.0114 | 2.54 | 10.3 | |||||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Number Reflections (All) | 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 Details | Mean Isotropic B | |||
| X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | PDB entry 2CCV | 1.38 | 46.92 | 25294 | 25294 | 1083 | 99.95 | 0.13788 | 0.13658 | 0.15 | 0.16782 | 0.18 | RANDOM | 31.068 | |||
| 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] | |
| 0.59 | 0.59 | 0.59 | -1.93 | |||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_sphericity_free | 29.808 |
| r_dihedral_angle_2_deg | 27.939 |
| r_dihedral_angle_4_deg | 22.175 |
| r_sphericity_bonded | 14.734 |
| r_dihedral_angle_3_deg | 12.463 |
| r_long_range_B_refined | 6.834 |
| r_dihedral_angle_1_deg | 6.557 |
| r_scangle_other | 5.397 |
| r_long_range_B_other | 5.301 |
| r_rigid_bond_restr | 5.082 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 796 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 119 |
| Heterogen Atoms | 91 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| XDS | data reduction |
| XDS | data scaling |
| PHASER | phasing |
| REFMAC | refinement |














