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Open data
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Basic information
Entry | Database: PDB / ID: 1q9o | ||||||
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Title | S45-18 Fab Unliganded | ||||||
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![]() | IMMUNE SYSTEM / antigen-binding fragment / Fab / anti-carbohydrate / anti-LPS / antibody / immunoglobulin | ||||||
Function / homology | ![]() immunoglobulin complex, circulating / immunoglobulin receptor binding / B cell differentiation / complement activation, classical pathway / antigen binding / antibacterial humoral response / blood microparticle / extracellular exosome / extracellular region / metal ion binding / plasma membrane Similarity search - Function | ||||||
Biological species | ![]() ![]() | ||||||
Method | ![]() ![]() ![]() | ||||||
![]() | Nguyen, H.P. / Seto, N.O. / MacKenzie, C.R. / Brade, L. / Kosma, P. / Brade, H. / Evans, S.V. | ||||||
![]() | ![]() Title: Germline antibody recognition of distinct carbohydrate epitopes. Authors: Nguyen, H.P. / Seto, N.O. / MacKenzie, C.R. / Brade, L. / Kosma, P. / Brade, H. / Evans, S.V. | ||||||
History |
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Remark 999 | SEQUENCE The sequence of the protein was not deposited into any sequence database. |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 192.9 KB | Display | ![]() |
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PDB format | ![]() | 151.5 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Arichive directory | ![]() ![]() | HTTPS FTP |
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-Related structure data
Related structure data | ![]() 1q9kC ![]() 1q9lC ![]() 1q9wC ![]() 3sy0C ![]() 3t4yC ![]() 3t65C ![]() 3t77C ![]() 1mamS C: citing same article ( S: Starting model for refinement |
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Similar structure data |
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Links
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Assembly
Deposited unit | ![]()
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1 | ![]()
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2 | ![]()
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Unit cell |
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Components
#1: Antibody | Mass: 24445.398 Da / Num. of mol.: 2 / Fragment: Fab1 Heavy chain g1 / Source method: isolated from a natural source / Source: (natural) ![]() ![]() #2: Antibody | Mass: 24306.039 Da / Num. of mol.: 2 / Fragment: Fab1 Light chain kappa / Source method: isolated from a natural source / Source: (natural) ![]() ![]() #3: Chemical | ChemComp-MG / #4: Water | ChemComp-HOH / | |
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-Experimental details
-Experiment
Experiment | Method: ![]() |
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Sample preparation
Crystal | Density Matthews: 2.34 Å3/Da / Density % sol: 47.46 % | ||||||||||||||||||||||||||||||||||||||||||
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Crystal grow | Temperature: 293 K / Method: vapor diffusion, hanging drop / pH: 7.8 Details: potassium phosphate, PEG 8000, pH 7.8, VAPOR DIFFUSION, HANGING DROP, temperature 293K | ||||||||||||||||||||||||||||||||||||||||||
Crystal grow | *PLUS Temperature: 295 K / Method: vapor diffusion, hanging drop / Details: Nguyen, H.P., (2001) Acta Cryst., D57, 1872. | ||||||||||||||||||||||||||||||||||||||||||
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: ADSC QUANTUM 4 / Detector: CCD / Date: Feb 5, 2002 / Details: mirrors |
Radiation | Monochromator: SI 111 CHANNEL / Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray |
Radiation wavelength | Wavelength: 1.15 Å / Relative weight: 1 |
Reflection | Resolution: 1.79→19.18 Å / Num. all: 75932 / Num. obs: 74454 / % possible obs: 88.6 % / Observed criterion σ(F): 0 / Observed criterion σ(I): 0 / Biso Wilson estimate: 21.1 Å2 / Limit h max: 38 / Limit h min: -42 / Limit k max: 95 / Limit k min: -42 / Limit l max: 43 / Limit l min: 0 / Observed criterion F max: 240848.79 / Observed criterion F min: 0.32 |
Reflection shell | Resolution: 1.79→1.85 Å / % possible all: 78.5 |
Reflection | *PLUS Lowest resolution: 20 Å / Num. obs: 75932 / % possible obs: 90.4 % / Observed criterion σ(F): 0 / Num. measured all: 234850 / Rmerge(I) obs: 0.03 |
Reflection shell | *PLUS % possible obs: 78.5 % / Num. unique obs: 6553 / Rmerge(I) obs: 0.133 / Mean I/σ(I) obs: 6.9 |
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Processing
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Refinement | Method to determine structure: ![]() Starting model: Fv domain of YST 9.1 Fab unliganded (PDB entry 1MAM) Resolution: 1.79→19.18 Å / Rfactor Rfree error: 0.003 / Occupancy max: 1 / Occupancy min: 1 / Cross valid method: THROUGHOUT / σ(F): 0 / Stereochemistry target values: Engh & Huber
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Solvent computation | Solvent model: CNS bulk solvent model used / Bsol: 43.4159 Å2 / ksol: 0.327425 e/Å3 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | Biso max: 84.92 Å2 / Biso mean: 30.11 Å2 / Biso min: 14.35 Å2
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Refine analyze |
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Refinement step | Cycle: LAST / Resolution: 1.79→19.18 Å
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Refine LS restraints |
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LS refinement shell | Refine-ID: X-RAY DIFFRACTION / Total num. of bins used: 10
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Xplor file |
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Software | *PLUS Name: CNS / Classification: refinement | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refinement | *PLUS Lowest resolution: 20 Å / Rfactor Rwork: 0.22 | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Solvent computation | *PLUS | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Displacement parameters | *PLUS | ||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||||
Refine LS restraints | *PLUS Type: c_bond_d / Dev ideal: 0.007 |