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- PDB-2sli: LEECH INTRAMOLECULAR TRANS-SIALIDASE COMPLEXED WITH 2,7-ANHYDRO-N... -
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Open data
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Basic information
Entry | Database: PDB / ID: 2sli | ||||||
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Title | LEECH INTRAMOLECULAR TRANS-SIALIDASE COMPLEXED WITH 2,7-ANHYDRO-NEU5AC, THE REACTION PRODUCT | ||||||
![]() | INTRAMOLECULAR TRANS-SIALIDASE | ||||||
![]() | HYDROLASE / INTRAMOLECULAR TRANS-SIALIDASE / NEURAMINIDASE | ||||||
Function / homology | ![]() anhydrosialidase / anhydrosialidase activity / exo-alpha-sialidase activity / ganglioside catabolic process / oligosaccharide catabolic process / intracellular membrane-bounded organelle / extracellular region / membrane / cytoplasm Similarity search - Function | ||||||
Biological species | ![]() | ||||||
Method | ![]() ![]() | ||||||
![]() | Luo, Y. / Li, S.C. / Li, Y.T. / Luo, M. | ||||||
![]() | ![]() Title: The 1.8 A structures of leech intramolecular trans-sialidase complexes: evidence of its enzymatic mechanism. Authors: Luo, Y. / Li, S.C. / Li, Y.T. / Luo, M. | ||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 157.6 KB | Display | ![]() |
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PDB format | ![]() | 120 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 785.6 KB | Display | ![]() |
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Full document | ![]() | 793.6 KB | Display | |
Data in XML | ![]() | 31.1 KB | Display | |
Data in CIF | ![]() | 47.2 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
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Links
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Assembly
Deposited unit | ![]()
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Unit cell |
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Components
#1: Protein | Mass: 74565.688 Da / Num. of mol.: 1 / Fragment: DEVOID OF N-TERMINAL 28 RESIDUES Source method: isolated from a genetically manipulated source Source: (gene. exp.) ![]() Gene: T7 / Plasmid: E2-M10 / Species (production host): Escherichia coli / Gene (production host): T7 / Production host: ![]() ![]() |
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#2: Chemical | ChemComp-SKD / |
#3: Water | ChemComp-HOH / |
-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.4 Å3/Da / Density % sol: 40 % | ||||||||||||||||||||||||||||||
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Crystal grow | pH: 6.9 / Details: pH 6.9 | ||||||||||||||||||||||||||||||
Crystal grow | *PLUS Temperature: 277 K / Method: vapor diffusion, hanging drop / Details: Luo, Y., (1998) Acta Cryst., D54, 111. | ||||||||||||||||||||||||||||||
Components of the solutions | *PLUS
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-Data collection
Diffraction | Mean temperature: 100 K |
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Diffraction source | Source: ![]() |
Detector | Type: MACSCIENCE / Detector: IMAGE PLATE / Date: May 24, 1997 / Details: MIRRORS |
Radiation | Monochromator: GRAPHITE(002) / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1.5418 Å / Relative weight: 1 |
Reflection | Resolution: 1.8→20 Å / Num. obs: 63696 / % possible obs: 90.1 % / Observed criterion σ(I): 0 / Redundancy: 2 % / Biso Wilson estimate: 11.6 Å2 / Rsym value: 0.049 / Net I/σ(I): 12.5 |
Reflection shell | Resolution: 1.8→1.86 Å / Redundancy: 1.4 % / Mean I/σ(I) obs: 6.1 / Rsym value: 0.173 / % possible all: 67.6 |
Reflection | *PLUS Num. measured all: 122932 / Rmerge(I) obs: 0.049 |
Reflection shell | *PLUS % possible obs: 67.6 % / Rmerge(I) obs: 0.173 |
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Processing
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Refinement | Method to determine structure: ![]() Starting model: NATIVE STRUCTURE Resolution: 1.8→15 Å / Data cutoff high absF: 100000 / Data cutoff low absF: 0.1 / Cross valid method: THROUGHOUT / σ(F): 2
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Displacement parameters | Biso mean: 11.9 Å2 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement step | Cycle: LAST / Resolution: 1.8→15 Å
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Refine LS restraints |
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Xplor file |
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Software | *PLUS Name: ![]() | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refine LS restraints | *PLUS
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