4AY1
Human YKL-39 is a pseudo-chitinase with retained chitooligosaccharide binding properties
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | 6 | 23% PEG 3000, 0.1 M SODIUM CITRATE PH 6 | ||
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.8 | 56 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 255.686 | α = 90 |
| b = 152.543 | β = 94.62 |
| c = 138.186 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | C 1 2 1 |
Diffraction
| Diffraction Experiment | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
| 1 | 1 | x-ray | 100 | CCD | MARMOSAIC 225 mm CCD | M | SINGLE WAVELENGTH | |||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | ESRF BEAMLINE BM14 | ESRF | BM14 | |
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 | 1.95 | 20 | 99.6 | 0.06 | 17.2 | 3.4 | 383206 | 2 | |||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||||||
| X-RAY DIFFRACTION | OTHER | THROUGHOUT | NONE | 1.95 | 137.36 | 379115 | 1898 | 99.32 | 0.19151 | 0.19128 | 0.23899 | RANDOM | 27.271 | ||||||
| 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] | |
| 1.26 | -0.07 | -0.88 | -0.39 | |||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 38.107 |
| r_dihedral_angle_4_deg | 18.947 |
| r_dihedral_angle_3_deg | 14.696 |
| r_dihedral_angle_1_deg | 5.835 |
| r_scangle_it | 2.713 |
| r_scbond_it | 1.693 |
| r_angle_refined_deg | 1.356 |
| r_mcangle_it | 0.99 |
| r_mcbond_it | 0.538 |
| r_chiral_restr | 0.097 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 34527 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 1893 |
| Heterogen Atoms | 684 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| REFMAC | refinement |
