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- PDB-2z91: Crystal structure of the Fab fragment of anti-ciguatoxin antibody 10C9 -

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Basic information

Entry
Database: PDB / ID: 2z91
TitleCrystal structure of the Fab fragment of anti-ciguatoxin antibody 10C9
Components
  • Anti-ciguatoxin antibody 10C9 FAB heavy chain
  • Anti-ciguatoxin antibody 10C9 FAB light chain
KeywordsIMMUNE SYSTEM / Immunoglobrin fold
Function / homologyImmunoglobulins / Immunoglobulin-like / Sandwich / Mainly Beta
Function and homology information
Biological speciesMus musculus (house mouse)
MethodX-RAY DIFFRACTION / SYNCHROTRON / MOLECULAR REPLACEMENT / Resolution: 2.6 Å
AuthorsUi, M. / Tanaka, Y. / Tsumoto, K.
CitationJournal: J.Biol.Chem. / Year: 2008
Title: How Protein Recognizes Ladder-like Polycyclic Ethers: INTERACTIONS BETWEEN CIGUATOXIN (CTX3C) FRAGMENTS AND ITS SPECIFIC ANTIBODY 10C9
Authors: Ui, M. / Tanaka, Y. / Tsumuraya, T. / Fujii, I. / Inoue, M. / Hirama, M. / Tsumoto, K.
History
DepositionSep 14, 2007Deposition site: PDBJ / Processing site: PDBJ
Revision 1.0May 6, 2008Provider: repository / Type: Initial release
Revision 1.1Jul 13, 2011Group: Version format compliance
Revision 1.2Nov 1, 2023Group: Data collection / Database references / Refinement description
Category: chem_comp_atom / chem_comp_bond ...chem_comp_atom / chem_comp_bond / database_2 / pdbx_initial_refinement_model
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession
Revision 1.3Oct 16, 2024Group: Structure summary / Category: pdbx_entry_details / pdbx_modification_feature / Item: _pdbx_entry_details.has_protein_modification

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: Anti-ciguatoxin antibody 10C9 FAB heavy chain
B: Anti-ciguatoxin antibody 10C9 FAB light chain
C: Anti-ciguatoxin antibody 10C9 FAB heavy chain
D: Anti-ciguatoxin antibody 10C9 FAB light chain


Theoretical massNumber of molelcules
Total (without water)94,1224
Polymers94,1224
Non-polymers00
Water1,856103
1
A: Anti-ciguatoxin antibody 10C9 FAB heavy chain
B: Anti-ciguatoxin antibody 10C9 FAB light chain


Theoretical massNumber of molelcules
Total (without water)47,0612
Polymers47,0612
Non-polymers00
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area3450 Å2
ΔGint-18.5 kcal/mol
Surface area18770 Å2
MethodPISA
2
C: Anti-ciguatoxin antibody 10C9 FAB heavy chain
D: Anti-ciguatoxin antibody 10C9 FAB light chain


Theoretical massNumber of molelcules
Total (without water)47,0612
Polymers47,0612
Non-polymers00
Water362
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Buried area3390 Å2
ΔGint-19.6 kcal/mol
Surface area18700 Å2
MethodPISA
Unit cell
Length a, b, c (Å)67.844, 78.263, 89.042
Angle α, β, γ (deg.)90.00, 99.25, 90.00
Int Tables number4
Space group name H-MP1211

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Components

#1: Antibody Anti-ciguatoxin antibody 10C9 FAB heavy chain


Mass: 23837.537 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Mus musculus (house mouse) / Cell line: Hybridoma
#2: Antibody Anti-ciguatoxin antibody 10C9 FAB light chain


Mass: 23223.561 Da / Num. of mol.: 2
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Mus musculus (house mouse) / Cell line: Hybridoma
#3: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 103 / Source method: isolated from a natural source / Formula: H2O
Has protein modificationY
Sequence detailsA SEQUENCE DATABASE REFERENCE FOR THIS PROTEIN DOES NOT CURRENTLY EXIST. THIS SEQUENCE HAS BEEN ...A SEQUENCE DATABASE REFERENCE FOR THIS PROTEIN DOES NOT CURRENTLY EXIST. THIS SEQUENCE HAS BEEN DEPOSITED IN THE SEQUENCE DATABASE.

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Experimental details

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Experiment

ExperimentMethod: X-RAY DIFFRACTION / Number of used crystals: 1

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Sample preparation

CrystalDensity Matthews: 2.48 Å3/Da / Density % sol: 50.38 %
Crystal growTemperature: 293 K / Method: vapor diffusion, hanging drop / pH: 5.2
Details: 0.2M Zinc Acetate, 0.1M Sodium Cacodylate, 15% PEG 8000, pH5.2, VAPOR DIFFUSION, HANGING DROP, temperature 293K

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Data collection

DiffractionMean temperature: 100 K
Diffraction sourceSource: SYNCHROTRON / Site: Photon Factory / Beamline: AR-NW12A / Wavelength: 1 Å
DetectorType: ADSC QUANTUM 210 / Detector: CCD / Date: Feb 28, 2007
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 1 Å / Relative weight: 1
ReflectionResolution: 2.6→50 Å / Num. obs: 28425 / Redundancy: 3.8 % / Biso Wilson estimate: 50.4 Å2 / Rsym value: 0.084
Reflection shellResolution: 2.6→2.69 Å / Redundancy: 3.5 % / Num. unique all: 2819 / Rsym value: 0.391

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Processing

Software
NameVersionClassification
CNS1.1refinement
HKL-2000data reduction
HKL-2000data scaling
PHENIXphasing
RefinementMethod to determine structure: MOLECULAR REPLACEMENT
Starting model: PDB ENTRY 2Z92

2z92


Resolution: 2.6→10 Å / Rfactor Rfree error: 0.005 / Data cutoff high absF: 1272977.65 / Data cutoff low absF: 0 / Isotropic thermal model: RESTRAINED / Cross valid method: THROUGHOUT / σ(F): 0
RfactorNum. reflection% reflectionSelection details
Rfree0.27 2768 9.9 %RANDOM
Rwork0.22 ---
obs0.22 27898 99.8 %-
Solvent computationSolvent model: FLAT MODEL / Bsol: 37.157 Å2 / ksol: 0.405767 e/Å3
Displacement parametersBiso mean: 34.6 Å2
Baniso -1Baniso -2Baniso -3
1--0.41 Å20 Å24.85 Å2
2--8.28 Å20 Å2
3----7.87 Å2
Refine analyze
FreeObs
Luzzati coordinate error0.41 Å0.33 Å
Luzzati d res low-5 Å
Luzzati sigma a0.48 Å0.38 Å
Refinement stepCycle: LAST / Resolution: 2.6→10 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms6374 0 0 103 6477
Refine LS restraints
Refine-IDTypeDev idealDev ideal target
X-RAY DIFFRACTIONc_bond_d0.008
X-RAY DIFFRACTIONc_bond_d_na
X-RAY DIFFRACTIONc_bond_d_prot
X-RAY DIFFRACTIONc_angle_d
X-RAY DIFFRACTIONc_angle_d_na
X-RAY DIFFRACTIONc_angle_d_prot
X-RAY DIFFRACTIONc_angle_deg1.6
X-RAY DIFFRACTIONc_angle_deg_na
X-RAY DIFFRACTIONc_angle_deg_prot
X-RAY DIFFRACTIONc_dihedral_angle_d27.1
X-RAY DIFFRACTIONc_dihedral_angle_d_na
X-RAY DIFFRACTIONc_dihedral_angle_d_prot
X-RAY DIFFRACTIONc_improper_angle_d1.1
X-RAY DIFFRACTIONc_improper_angle_d_na
X-RAY DIFFRACTIONc_improper_angle_d_prot
X-RAY DIFFRACTIONc_mcbond_it1.371.5
X-RAY DIFFRACTIONc_mcangle_it2.412
X-RAY DIFFRACTIONc_scbond_it1.832
X-RAY DIFFRACTIONc_scangle_it2.782.5
LS refinement shellResolution: 2.6→2.76 Å / Rfactor Rfree error: 0.016 / Total num. of bins used: 6
RfactorNum. reflection% reflection
Rfree0.337 461 10.1 %
Rwork0.306 4100 -
obs--98.6 %
Xplor file
Refine-IDSerial noParam fileTopol file
X-RAY DIFFRACTION1protein_rep.paramprotein.top
X-RAY DIFFRACTION2water_rep.paramwater.top

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