1NPL
MANNOSE-SPECIFIC AGGLUTININ (LECTIN) FROM DAFFODIL (NARCISSUS PSEUDONARCISSUS) BULBS IN COMPLEX WITH MANNOSE-ALPHA1,3-MANNOSE
X-RAY DIFFRACTION
Crystallization
Crystalization Experiments | ||||
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ID | Method | pH | Temperature | Details |
1 | VAPOR DIFFUSION, SITTING DROP | 6.5 | 290 | VAPOUR DIFFUSION, SITTING DROP, 10 MG/ML IN PBS CONTAINING UP TO 20 MM MANNOBIOSE, EQUILIBRATED AGAINST 40 - 60% AMMONIUM SULPHATE. 17 DEG. C, 4 - 6 DAYS, pH 6.5, vapor diffusion - sitting drop, temperature 290K |
Crystal Properties | |
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Matthews coefficient | Solvent content |
2.43 | 44 |
Crystal Data
Unit Cell | |
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Length ( Å ) | Angle ( ˚ ) |
a = 73.3 | α = 90 |
b = 101.2 | β = 90 |
c = 37.3 | γ = 90 |
Symmetry | |
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Space Group | C 2 2 2 |
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 | 277 | IMAGE PLATE | MARRESEARCH | MIRROR, MONOCHROMATOR | 1996-09-19 | M | SINGLE WAVELENGTH |
Radiation Source | |||||
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ID # | Source | Type | Wavelength List | Synchrotron Site | Beamline |
1 | SYNCHROTRON | SRS BEAMLINE PX9.6 | SRS | PX9.6 |
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 | 2 | 60 | 98.6 | 0.067 | 0.07 | 7.26 | 2.9 | 9490 | 20.1 |
Highest Resolution Shell | |||||||||||||||||||
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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 | 2 | 2.12 | 98.5 | 0.273 | 0.276 | 2.2 | 2.9 |
Refinement
Statistics | |||||||||||||||||||
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Diffraction ID | Structure Solution Method | Cross Validation method | Resolution (High) | Resolution (Low) | Number Reflections (Observed) | Number Reflections (R-Free) | Percent Reflections (Observed) | R-Work | R-Free | R-Free Selection Details | Mean Isotropic B | ||||||||
X-RAY DIFFRACTION | MOLECULAR REPLACEMENT | THROUGHOUT | 2 | 10 | 8984 | 457 | 98.6 | 0.187 | 0.267 | RANDOM | 27.6 |
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] | |
RMS Deviations | |
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Key | Refinement Restraint Deviation |
p_transverse_tor | 17.1 |
p_staggered_tor | 16.5 |
p_planar_tor | 8.9 |
p_scangle_it | 3.06 |
p_mcangle_it | 2.82 |
p_scbond_it | 2.08 |
p_mcbond_it | 2.04 |
p_multtor_nbd | 0.207 |
p_singtor_nbd | 0.185 |
p_chiral_restr | 0.14 |
Non-Hydrogen Atoms Used in Refinement | |
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Non-Hydrogen Atoms | Number |
Protein Atoms | 858 |
Nucleic Acid Atoms | |
Solvent Atoms | 97 |
Heterogen Atoms | 107 |
Software
Software | |
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Software Name | Purpose |
MOSFLM | data reduction |
SCALA | data scaling |
AMoRE | phasing |
REFMAC | refinement |
CCP4 | data scaling |