1OPS
ICE-BINDING SURFACE ON A TYPE III ANTIFREEZE PROTEIN FROM OCEAN POUT
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | 8 | pH 8.0 |
Crystal Properties | |
---|---|
Matthews coefficient | Solvent content |
2.05 | 40.05 |
Crystal Data
Unit Cell | |
---|---|
Length ( Å ) | Angle ( ˚ ) |
a = 23.06 | α = 90 |
b = 40.79 | β = 100.6 |
c = 29.99 | 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 | 277 | IMAGE PLATE | RIGAKU | SUPPER DOUBLE FOCUSING MIRRORS | 1993-05-21 | 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 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 | 40 | 82.4 | 0.066 | 3107 | 2 | 19.3 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | 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 (DCC) | R-Free Selection Details | Mean Isotropic B | |||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | THE STARTING STRUCTURAL MODEL WAS DETERMINED FROM A CRYSTAL GROWN WITH THE RECOMBINANT, SINGLY-IODINATED PROTEIN, ISOFORM HPLC-6. THIS MODEL IS NOT YET AVAILABLE. | 2 | 40 | 2 | 3107 | 304 | 82.6 | 0.204 | 0.204 | 0.19 | 0.259 | 0.25 | RANDOM | 17.4 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
x_dihedral_angle_d | 27.2 |
x_scangle_it | 6.15 |
x_scbond_it | 4.9 |
x_mcangle_it | 3.86 |
x_mcbond_it | 2.97 |
x_improper_angle_d | 1.71 |
x_angle_deg | 1.7 |
x_bond_d | 0.014 |
x_bond_d_na | |
x_bond_d_prot |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 445 |
Nucleic Acid Atoms | |
Solvent Atoms | 33 |
Heterogen Atoms |
Software
Software | |
---|---|
Software Name | Purpose |
X-PLOR | model building |
X-PLOR | refinement |
R-AXIS | data reduction |
R-AXIS | data scaling |
X-PLOR | phasing |