3CFM
Crystal structure of the apo form of human wild-type transthyretin
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
---|---|---|---|
Type | Source | Accession Code | Details |
experimental model | PDB | 1F41 | PDB ENTRY 1F41 |
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, HANGING DROP | 7.5 | 291 | Mother liquor: 100 mM tris pH 7.5, 100 mM KCl, 20 % v/v PEG 400; drop 1 uL mother liquor + 1 uL TTR 10 mg/mL; crystals appeared in about 5 days, VAPOR DIFFUSION, HANGING DROP, temperature 291K |
Crystal Properties | |
---|---|
Matthews coefficient | Solvent content |
2.33 | 47.26 |
Crystal Data
Unit Cell | |
---|---|
Length ( Å ) | Angle ( ˚ ) |
a = 43.169 | α = 90 |
b = 86.109 | β = 90 |
c = 63.764 | γ = 90 |
Symmetry | |
---|---|
Space Group | P 21 21 2 |
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 | MAR scanner 345 mm plate | Osmic | 2005-05-10 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | RIGAKU ULTRAX 18 | 1.542 |
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 | 1.6 | 86.109 | 99.9 | 0.046 | 0.046 | 8.9 | 6.9 | 32087 | 32073 | 2 | 2 | 20.5 |
Highest Resolution Shell | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
ID # | Resolution (High) | Resolution (Low) | Percent Possible (All) | Percent Possible (Observed) | R Merge I (Observed) | R-Sym I (Observed) | Mean I Over Sigma (Observed) | Redundancy | Number Unique Reflections (All) | ||||||||||
1.6 | 1.69 | 100 | 0.398 | 0.398 | 1.9 | 6.7 | 4565 |
Refinement
Statistics | |||||||||||||||||||
---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
Diffraction ID | Structure Solution Method | Cross Validation method | Starting model | Resolution (High) | Resolution (Low) | Number Reflections (All) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Factor (All) | R-Factor (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | PDB ENTRY 1F41 | 1.6 | 17.87 | 32061 | 32042 | 1624 | 99.96 | 0.192 | 0.192 | 0.191 | 0.218 | RANDOM | 21.203 |
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] | |
-0.02 | 0.02 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
r_dihedral_angle_2_deg | 30.885 |
r_dihedral_angle_4_deg | 15.355 |
r_dihedral_angle_3_deg | 13.435 |
r_dihedral_angle_1_deg | 5.758 |
r_angle_refined_deg | 1.057 |
r_nbtor_refined | 0.301 |
r_nbd_refined | 0.181 |
r_symmetry_vdw_refined | 0.18 |
r_xyhbond_nbd_refined | 0.119 |
r_symmetry_hbond_refined | 0.103 |
Non-Hydrogen Atoms Used in Refinement | |
---|---|
Non-Hydrogen Atoms | Number |
Protein Atoms | 1955 |
Nucleic Acid Atoms | |
Solvent Atoms | 282 |
Heterogen Atoms |
Software
Software | |
---|---|
Software Name | Purpose |
MOSFLM | data reduction |
SCALA | data scaling |
MOLREP | phasing |
REFMAC | refinement |
PDB_EXTRACT | data extraction |
MAR345dtb | data collection |