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Open data
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Basic information
| Entry | Database: PDB / ID: 9i9h | ||||||
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| Title | Structure of FAB-fragment GB11 in complex with Sialyl Lewis A | ||||||
Components | (IgG antibody ...) x 2 | ||||||
Keywords | IMMUNE SYSTEM / Fab fragment / Carbohydrate / complex | ||||||
| Function / homology | beta-D-galactopyranose / DI(HYDROXYETHYL)ETHER / N-acetyl-alpha-neuraminic acid Function and homology information | ||||||
| Biological species | ![]() | ||||||
| Method | X-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.96 Å | ||||||
Authors | Freitag, A. / Khan-Kilji, S. / Nedielkov, R. / Murali Kumar, S. / Krummhaar, M. / Luehle, J. / Goerdeler, F. / Arndt, J. / Kamphues, C. / Mroginski, M.A. ...Freitag, A. / Khan-Kilji, S. / Nedielkov, R. / Murali Kumar, S. / Krummhaar, M. / Luehle, J. / Goerdeler, F. / Arndt, J. / Kamphues, C. / Mroginski, M.A. / Roth, C. / Seeberger, P.H. / Moeller, H.M. / Moscovitz, O. | ||||||
| Funding support | Germany, 1items
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Citation | Journal: Jacs Au / Year: 2026Title: Integrative Approach to Develop and Characterize Antibodies against the Cancer-Associated Antigen Sialyl Lewis A (CA 19-9). Authors: Freitag, A. / Khilji, S.K. / Nedielkov, R. / M Kumar, S. / Krummhaar, M. / Arndt, J. / Moreira, G.M.S.G. / Luhle, J. / Goerdeler, F. / Kamphues, C. / Mroginski, M.A. / Roth, C. / Seeberger, ...Authors: Freitag, A. / Khilji, S.K. / Nedielkov, R. / M Kumar, S. / Krummhaar, M. / Arndt, J. / Moreira, G.M.S.G. / Luhle, J. / Goerdeler, F. / Kamphues, C. / Mroginski, M.A. / Roth, C. / Seeberger, P.H. / Moller, H.M. / Moscovitz, O. | ||||||
| History |
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Structure visualization
| Structure viewer | Molecule: Molmil Jmol/JSmol |
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Downloads & links
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Download
| PDBx/mmCIF format | 9i9h.cif.gz | 610.8 KB | Display | PDBx/mmCIF format |
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| PDB format | pdb9i9h.ent.gz | 515.8 KB | Display | PDB format |
| PDBx/mmJSON format | 9i9h.json.gz | Tree view | PDBx/mmJSON format | |
| Others | Other downloads |
-Validation report
| Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/i9/9i9h ftp://data.pdbj.org/pub/pdb/validation_reports/i9/9i9h | HTTPS FTP |
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-Related structure data
| Related structure data | ![]() 9i6qC C: citing same article ( |
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| Similar structure data | Similarity search - Function & homology F&H Search |
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Links
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Assembly
| Deposited unit | ![]()
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| Unit cell |
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| Noncrystallographic symmetry (NCS) | NCS domain:
NCS domain segments: Beg auth comp-ID: GLU / Beg label comp-ID: GLU / Auth asym-ID: A / Label asym-ID: A
NCS ensembles :
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Components
-Antibody , 2 types, 8 molecules AHCEBLDF
| #1: Antibody | Mass: 23304.133 Da / Num. of mol.: 4 / Source method: isolated from a natural source / Details: heavy chain / Source: (natural) ![]() #2: Antibody | Mass: 23742.287 Da / Num. of mol.: 4 / Source method: isolated from a natural source / Details: light chain / Source: (natural) ![]() |
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-Sugars , 5 types, 8 molecules 


| #3: Polysaccharide | Source method: isolated from a genetically manipulated source #4: Polysaccharide | N-acetyl-alpha-neuraminic acid-(2-3)-beta-D-galactopyranose-(1-3)-[alpha-L-fucopyranose-(1-4)]2- ...N-acetyl-alpha-neuraminic acid-(2-3)-beta-D-galactopyranose-(1-3)-[alpha-L-fucopyranose-(1-4)]2-acetamido-2-deoxy-beta-D-glucopyranose | Source method: isolated from a genetically manipulated source #5: Polysaccharide | alpha-L-fucopyranose-(1-4)-2-acetamido-2-deoxy-beta-D-glucopyranose | Source method: isolated from a genetically manipulated source #6: Sugar | #8: Sugar | ChemComp-GAL / | |
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-Non-polymers , 2 types, 23 molecules 


| #7: Chemical | ChemComp-PEG / #9: Water | ChemComp-HOH / | |
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-Details
| Has ligand of interest | Y |
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| Has protein modification | Y |
-Experimental details
-Experiment
| Experiment | Method: X-RAY DIFFRACTION / Number of used crystals: 1 |
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Sample preparation
| Crystal | Density Matthews: 2.51 Å3/Da / Density % sol: 51.1 % |
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| Crystal grow | Temperature: 292 K / Method: vapor diffusion, hanging drop / Details: sodium malonate PEG 3350 |
-Data collection
| Diffraction | Mean temperature: 100 K / Serial crystal experiment: N |
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| Diffraction source | Source: SYNCHROTRON / Site: BESSY / Beamline: 14.2 / Wavelength: 0.9184 Å |
| Detector | Type: DECTRIS PILATUS 2M / Detector: PIXEL / Date: Dec 10, 2021 |
| Radiation | Monochromator: Si (111) / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
| Radiation wavelength | Wavelength: 0.9184 Å / Relative weight: 1 |
| Reflection | Resolution: 2.9→26.98 Å / Num. obs: 40947 / % possible obs: 98.2 % / Redundancy: 3 % / Biso Wilson estimate: 49.14 Å2 / CC1/2: 0.915 / Rpim(I) all: 0.222 / Rrim(I) all: 0.407 / Net I/σ(I): 2.8 |
| Reflection shell | Resolution: 2.9→3.02 Å / Mean I/σ(I) obs: 0.6 / Num. unique obs: 4497 / CC1/2: 0.189 / Rpim(I) all: 1.359 / Rrim(I) all: 2.583 |
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Processing
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| Refinement | Method to determine structure: MOLECULAR REPLACEMENT / Resolution: 2.96→26.696 Å / Cor.coef. Fo:Fc: 0.926 / Cor.coef. Fo:Fc free: 0.884 / Cross valid method: FREE R-VALUE / ESU R Free: 0.462 Details: Hydrogens have been added in their riding positions
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| Solvent computation | Ion probe radii: 0.8 Å / Shrinkage radii: 0.8 Å / VDW probe radii: 1.2 Å / Solvent model: MASK BULK SOLVENT | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
| Displacement parameters | Biso mean: 61.588 Å2
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| Refinement step | Cycle: LAST / Resolution: 2.96→26.696 Å
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| Refine LS restraints |
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About Yorodumi





X-RAY DIFFRACTION
Germany, 1items
Citation

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