2Y6F
Isopenicillin N synthase with AC-D-S-methyl-3R-methylcysteine
X-RAY DIFFRACTION
Starting Model(s)
| Initial Refinement Model(s) | |||
|---|---|---|---|
| Type | Source | Accession Code | Details |
| experimental model | PDB | 1BK0 | PDB ENTRY 1BK0 |
Crystallization
| Crystalization Experiments | ||||
|---|---|---|---|---|
| ID | Method | pH | Temperature | Details |
| 1 | 8.5 | 1.0M LITHIUM SULPHATE, 76MM TRIS/HCL, PH 8.5, 2.0 MM FERROUS SULPHATE, 2.6MG/ML TRIPEPTIDE, 25MG/ML PROTEIN. | ||
| Crystal Properties | |
|---|---|
| Matthews coefficient | Solvent content |
| 2.4 | 48.8 |
Crystal Data
| Unit Cell | |
|---|---|
| Length ( Å ) | Angle ( ˚ ) |
| a = 47.396 | α = 90 |
| b = 73.349 | β = 90 |
| c = 102.476 | γ = 90 |
| Symmetry | |
|---|---|
| Space Group | P 21 21 21 |
Diffraction
| Diffraction Experiment | ||||||||||||||
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
| 1 | 1 | x-ray | 100 | IMAGE PLATE | MARRESEARCH | 1998-04-04 | M | SINGLE WAVELENGTH | ||||||
| Radiation Source | |||||
|---|---|---|---|---|---|
| ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
| 1 | SYNCHROTRON | SRS BEAMLINE PX7.2 | SRS | PX7.2 | |
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 | 1.79 | 20 | 91.3 | 0.12 | 7.4 | 2.1 | 22362 | 18.3 | |||||||||||
| 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 | 1.79 | 1.89 | 91.3 | 0.29 | 2.6 | 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 | MOLECULAR REPLACEMENT | THROUGHOUT | PDB ENTRY 1BK0 | 1.79 | 11.97 | 29614 | 1258 | 90.15 | 0.17763 | 0.17581 | 0.22008 | RANDOM | 19.801 | ||||||
| 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] | |
| 0.52 | -0.06 | -0.46 | ||||
| RMS Deviations | |
|---|---|
| Key | Refinement Restraint Deviation |
| r_dihedral_angle_2_deg | 33.622 |
| r_dihedral_angle_3_deg | 12.907 |
| r_dihedral_angle_4_deg | 12.082 |
| r_dihedral_angle_1_deg | 6.501 |
| r_scangle_it | 4.81 |
| r_scbond_it | 3.179 |
| r_mcangle_it | 1.951 |
| r_angle_refined_deg | 1.883 |
| r_mcbond_it | 1.24 |
| r_chiral_restr | 0.301 |
| Non-Hydrogen Atoms Used in Refinement | |
|---|---|
| Non-Hydrogen Atoms | Number |
| Protein Atoms | 2632 |
| Nucleic Acid Atoms | |
| Solvent Atoms | 296 |
| Heterogen Atoms | 31 |
Software
| Software | |
|---|---|
| Software Name | Purpose |
| REFMAC | refinement |
| DENZO | data reduction |
| SCALA | data scaling |
