1AX2
ERYTHRINA CORALLODENDRON LECTIN IN COMPLEX WITH N-ACETYLLACTOSAMINE
X-RAY DIFFRACTION
Starting Model(s)
Initial Refinement Model(s) | |||
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Type | Source | Accession Code | Details |
experimental model | PDB | 1LTE | COMPLEX WITH LACTOSE, PDB ENTRY 1LTE |
Crystallization
Crystalization Experiments | ||||
---|---|---|---|---|
ID | Method | pH | Temperature | Details |
1 | 7 | pH 7. |
Crystal Properties | |
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Matthews coefficient | Solvent content |
3.83 | 67.89 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 83.93 | α = 90 |
b = 73.17 | β = 113.36 |
c = 71.31 | γ = 90 |
Symmetry | |
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Space Group | C 1 2 1 |
Diffraction
Diffraction Experiment | ||||||||||||||
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ID # | Crystal ID | Scattering Type | Data Collection Temperature | Detector | Detector Type | Details | Collection Date | Monochromator | Protocol | |||||
1 | 1 | x-ray | 298 | IMAGE PLATE | RIGAKU RAXIS II | FRANCKS MIRRORS (SUPPER 2 X 6 CM MIRRORS) | 1993-09-07 | M |
Radiation Source | |||||
---|---|---|---|---|---|
ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | ROTATING ANODE | RIGAKU RUH3R |
Data Collection
Overall | |||||||||||||||||||
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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 | 1.95 | 20 | 94 | 0.052 | 0.052 | 13 | 2.4 | 27182 | 25.1 |
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 | 1.95 | 2.04 | 82 | 0.052 | 0.267 | 3.5 | 2.1 |
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 (Depositor) | R-Work (DCC) | R-Free (Depositor) | R-Free Selection Details | Mean Isotropic B | |||||
X-RAY DIFFRACTION | DIFFERENCE FOURIER FROM PREVIOUSLY DETERMINED, RELATED STRUCTURE | THROUGHOUT | COMPLEX WITH LACTOSE, PDB ENTRY 1LTE | 1.95 | 6 | 26190 | 2604 | 96 | 0.169 | 0.169 | 0.16 | 0.177 | RANDOM | 27.5 |
Temperature Factor Modeling | ||||||
---|---|---|---|---|---|---|
Anisotropic B[1][1] | Anisotropic B[1][3] | Anisotropic B[2][2] | Anisotropic B[3][3] | |||
-2.77 | -0.12 | 1.91 | 0.86 |
RMS Deviations | |
---|---|
Key | Refinement Restraint Deviation |
c_dihedral_angle_d | 27.2 |
c_scangle_it | 4.93 |
c_scbond_it | 3.34 |
c_mcangle_it | 2.45 |
c_mcbond_it | 1.56 |
c_angle_deg | 1.5 |
c_improper_angle_d | 1.24 |
c_bond_d | 0.006 |
c_bond_d_na | |
c_bond_d_prot |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 1855 |
Nucleic Acid Atoms | |
Solvent Atoms | 154 |
Heterogen Atoms | 108 |
Software
Software | |
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Software Name | Purpose |
X-PLOR | model building |
CNS | refinement |
X-PLOR | refinement |
DENZO | data reduction |
SCALEPACK | data scaling |
X-PLOR | phasing |