1AF9
TETANUS NEUROTOXIN C FRAGMENT
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | 6.5 | CRYSTALLIZATION DROP CONTAINED 3 PARTS RESERVOIR SOLUTION AND 1 PART PROTEIN SOLUTION. RESERVOIR: 14%- 18% PEG 4000, 0.1M IMIDAZOLE, 0.05M MGCL2 AT PH 6.5. PROTEIN SOLUTION: 10MG/ML PROTEIN AND 0.01M TRIS-HCL AT PH 7.8. |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.45 | 47 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 67.4 | α = 90 |
b = 79.7 | β = 90 |
c = 91.1 | γ = 90 |
Symmetry | |
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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 | 291 | AREA DETECTOR | SIEMENS | SUPPER DOUBLE MIRRORS | 1994-08-28 | M |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | RIGAKU RUH2R |
Data Collection
Overall | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (Observed) | R Merge I (Observed) | R Sym 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 | 2.6 | 35 | 91.6 | 0.066 | 0.076 | 54.8 | 3.3 | 14445 | 1 | 12.9 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||||
2.6 | 2.7 | 59.7 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Cut-off Sigma (F) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (Observed) | R-Work (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free Selection Details | Mean Isotropic B | |||||
X-RAY DIFFRACTION | MIRAS | THROUGHOUT | 2.7 | 8 | 2 | 12771 | 1301 | 95.4 | 0.161 | 0.161 | 0.16 | 0.245 | RANDOM | 15.6 |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
x_dihedral_angle_d | 27.4 |
x_angle_deg | 1.7 |
x_improper_angle_d | 1.5 |
x_bond_d | 0.012 |
x_bond_d_na | |
x_bond_d_prot | |
x_angle_d | |
x_angle_d_na | |
x_angle_d_prot | |
x_angle_deg_na |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 3564 |
Nucleic Acid Atoms | |
Solvent Atoms | 138 |
Heterogen Atoms |
Software
Software | |
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Software Name | Purpose |
PHASES | phasing |
X-PLOR | model building |
X-PLOR | refinement |
XENGEN | data reduction |
WEISSMAN'S | data scaling |
X-PLOR | phasing |