Crystal Structures of Collagen Model Peptides with Pro-Hyp-Gly Sequence at 1.26 A
X-RAY DIFFRACTION
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | VAPOR DIFFUSION, HANGING DROP | 283 | PEG200, ACETIC ACID, VAPOR DIFFUSION, HANGING DROP, temperature 283K | |
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 1.81 | 31.96 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 13.892 | α = 90 |
| b = 26.115 | β = 105.95 |
| c = 19.954 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | P 1 21 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 | OXFORD PX210 | MIRROR-MONOCHROMATOR | 2002-06-11 | M | SINGLE WAVELENGTH | |||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | SPRING-8 BEAMLINE BL44XU | 0.9 | SPring-8 | BL44XU |
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 | 1.24 | 20 | 0.042 | 3257 | 1 | ||||||||||||||
| 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 | 1.24 | 1.28 | 74 | 0.057 | 8.2 | 290 | |||||||||||||
Refinement
| Statistics | |||||||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Work (Depositor) | R-Free (Depositor) | R-Free Selection Details | Mean Isotropic B | |||||
| X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | (PRO-HYP-GLY)10 structure reported in V.NAGARAJAN, S.KAMITORI, K.OKUYAMA, J.BIOCHEM.,125, 310 (1999). | 1.25 | 10 | 4 | 3176 | 3173 | 158 | 78.2 | 0.1271 | 0.1828 | RANDOM | ||||||
| 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] | |
| Coordinate Error | ||
|---|---|---|
| Structure Solution Method | Refinement High Resolution | Refinement Low Resolution |
| 112 | 182 | |
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| s_zero_chiral_vol | 0.106 |
| s_from_restr_planes | 0.0368 |
| s_similar_adp_cmpnt | 0.031 |
| s_non_zero_chiral_vol | 0.029 |
| s_angle_d | 0.026 |
| s_bond_d | 0.016 |
| s_rigid_bond_adp_cmpnt | 0.006 |
| s_similar_dist | |
| s_anti_bump_dis_restr | |
| s_approx_iso_adps | |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 133 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 49 |
| Heterogen Atoms | |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| SHELX | model building |
| SHELXL-97 | refinement |
| CrystalClear | data reduction |
| CrystalClear | data scaling |
| SHELXS | phasing |














