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- PDB-1dll: The HC fragement of tetanus toxin complexed with lactose -

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Basic information

Entry
Database: PDB / ID: 1dll
TitleThe HC fragement of tetanus toxin complexed with lactose
ComponentsTETANUS TOXINTetanospasmin
KeywordsTOXIN / Beta trefoil / Jelly roll
Function / homology
Function and homology information


tentoxilysin / symbiont-mediated perturbation of host neurotransmitter secretion / Toxicity of tetanus toxin (tetX) / protein transmembrane transporter activity / clathrin-coated endocytic vesicle membrane / metalloendopeptidase activity / endocytic vesicle membrane / toxin activity / proteolysis / zinc ion binding ...tentoxilysin / symbiont-mediated perturbation of host neurotransmitter secretion / Toxicity of tetanus toxin (tetX) / protein transmembrane transporter activity / clathrin-coated endocytic vesicle membrane / metalloendopeptidase activity / endocytic vesicle membrane / toxin activity / proteolysis / zinc ion binding / extracellular region / plasma membrane / cytosol
Similarity search - Function
Clostridium neurotoxin, translocation / Clostridium neurotoxin, Translocation domain / Clostridium neurotoxin, translocation domain / Clostridial neurotoxin zinc protease / Botulinum/Tetanus toxin, catalytic chain / Clostridium neurotoxin, receptor binding N-terminal / Clostridium neurotoxin, receptor-binding C-terminal / Clostridium neurotoxin, C-terminal receptor binding / Clostridium neurotoxin, N-terminal receptor binding / Kunitz inhibitor STI-like superfamily ...Clostridium neurotoxin, translocation / Clostridium neurotoxin, Translocation domain / Clostridium neurotoxin, translocation domain / Clostridial neurotoxin zinc protease / Botulinum/Tetanus toxin, catalytic chain / Clostridium neurotoxin, receptor binding N-terminal / Clostridium neurotoxin, receptor-binding C-terminal / Clostridium neurotoxin, C-terminal receptor binding / Clostridium neurotoxin, N-terminal receptor binding / Kunitz inhibitor STI-like superfamily / Trefoil (Acidic Fibroblast Growth Factor, subunit A) - #50 / Trefoil (Acidic Fibroblast Growth Factor, subunit A) / Trefoil / Jelly Rolls - #200 / Neutral zinc metallopeptidases, zinc-binding region signature. / Concanavalin A-like lectin/glucanase domain superfamily / Jelly Rolls / Sandwich / Mainly Beta
Similarity search - Domain/homology
beta-lactose / Tetanus toxin
Similarity search - Component
Biological speciesClostridium tetani (bacteria)
MethodX-RAY DIFFRACTION / SYNCHROTRON / Resolution: 1.8 Å
AuthorsEmsley, P. / Fotinou, C. / Black, I. / Fairweather, N.F. / Charles, I.G. / Watts, C. / Hewitt, E. / Isaacs, N.W.
Citation
Journal: J.Biol.Chem. / Year: 2000
Title: The structures of the H(C) fragment of tetanus toxin with carbohydrate subunit complexes provide insight into ganglioside binding.
Authors: Emsley, P. / Fotinou, C. / Black, I. / Fairweather, N.F. / Charles, I.G. / Watts, C. / Hewitt, E. / Isaacs, N.W.
#1: Journal: Nat.Struct.Biol. / Year: 1997
Title: Structure of the Receptor Binding Fragment HC of Tetanus Neurotoxin
Authors: Umland, T.C. / Wingert, L.M. / Swaminathan, S. / Fury, W.F. / Schmitt, J.J. / Sax, M.
History
DepositionDec 10, 1999Deposition site: RCSB / Processing site: RCSB
Revision 1.0Mar 24, 2000Provider: repository / Type: Initial release
Revision 1.1Apr 27, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Non-polymer description / Version format compliance
Revision 1.3Oct 4, 2017Group: Refinement description / Category: software / Item: _software.name
Revision 2.0Jul 29, 2020Group: Atomic model / Data collection ...Atomic model / Data collection / Derived calculations / Non-polymer description / Structure summary
Category: atom_site / chem_comp ...atom_site / chem_comp / entity / entity_name_com / pdbx_branch_scheme / pdbx_chem_comp_identifier / pdbx_entity_branch / pdbx_entity_branch_descriptor / pdbx_entity_branch_link / pdbx_entity_branch_list / pdbx_entity_nonpoly / pdbx_molecule_features / pdbx_nonpoly_scheme / struct_conn / struct_site / struct_site_gen
Item: _atom_site.B_iso_or_equiv / _atom_site.Cartn_x ..._atom_site.B_iso_or_equiv / _atom_site.Cartn_x / _atom_site.Cartn_y / _atom_site.Cartn_z / _atom_site.auth_asym_id / _atom_site.auth_atom_id / _atom_site.auth_comp_id / _atom_site.auth_seq_id / _atom_site.label_atom_id / _atom_site.label_comp_id / _chem_comp.formula / _chem_comp.formula_weight / _chem_comp.id / _chem_comp.mon_nstd_flag / _chem_comp.name / _chem_comp.pdbx_synonyms / _chem_comp.type / _entity.formula_weight / _entity.pdbx_description / _entity.type
Description: Carbohydrate remediation / Provider: repository / Type: Remediation
Revision 2.1Feb 7, 2024Group: Data collection / Database references / Structure summary
Category: chem_comp / chem_comp_atom ...chem_comp / chem_comp_atom / chem_comp_bond / database_2
Item: _chem_comp.pdbx_synonyms / _database_2.pdbx_DOI / _database_2.pdbx_database_accession

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: TETANUS TOXIN
hetero molecules


Theoretical massNumber of molelcules
Total (without water)51,1886
Polymers50,4771
Non-polymers7115
Water12,466692
1


  • Idetical with deposited unit
  • defined by author
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
Unit cell
Length a, b, c (Å)67.076, 70.882, 122.238
Angle α, β, γ (deg.)90.00, 90.00, 90.00
Int Tables number19
Space group name H-MP212121

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Components

#1: Protein TETANUS TOXIN / Tetanospasmin


Mass: 50476.918 Da / Num. of mol.: 1 / Fragment: RECEPTOR BINDING FRAGMENT HC
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Clostridium tetani (bacteria) / Plasmid: PET 16B / Production host: Escherichia coli (E. coli) / References: UniProt: P04958, tentoxilysin
#2: Polysaccharide beta-D-galactopyranose-(1-4)-beta-D-glucopyranose / beta-lactose


Type: oligosaccharide, Oligosaccharide / Class: Nutrient / Mass: 342.297 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Details: oligosaccharide / References: beta-lactose
DescriptorTypeProgram
DGalpb1-4DGlcpb1-ROHGlycam Condensed SequenceGMML 1.0
WURCS=2.0/2,2,1/[a2122h-1b_1-5][a2112h-1b_1-5]/1-2/a4-b1WURCSPDB2Glycan 1.1.0
[][b-D-Glcp]{[(4+1)][b-D-Galp]{}}LINUCSPDB-CARE
#3: Chemical
ChemComp-GOL / GLYCEROL / GLYCERIN / PROPANE-1,2,3-TRIOL / Glycerol


Mass: 92.094 Da / Num. of mol.: 4 / Source method: obtained synthetically / Formula: C3H8O3
#4: Water ChemComp-HOH / water / Water


Mass: 18.015 Da / Num. of mol.: 692 / Source method: isolated from a natural source / Formula: H2O

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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: 2.88 Å3/Da / Density % sol: 57.26 %
Crystal growTemperature: 295 K / Method: vapor diffusion, sitting drop / pH: 7
Details: imidazole, sodium chloride, ammonium sulphate, PEG4000, 2-methyl-2,4-pentane-diol, pH 7.0, VAPOR DIFFUSION, SITTING DROP, temperature 295K
Crystal grow
*PLUS
Components of the solutions
*PLUS
IDConc.Common nameCrystal-IDSol-IDChemical formula
13 mg/mlprotein1drop
220 mMimidazole1drop
3100 mM1dropNaCl
4200 mMammonium sulfate1reservoir
540 %(w/v)PEG40001reservoir
61 %(v/v)MPD1reservoir

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Data collection

DiffractionMean temperature: 96 K
Diffraction sourceSource: SYNCHROTRON / Site: SRS / Beamline: PX9.6 / Wavelength: 0.87
DetectorType: MARRESEARCH / Detector: IMAGE PLATE / Date: Mar 6, 1998
RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M / Scattering type: x-ray
Radiation wavelengthWavelength: 0.87 Å / Relative weight: 1
ReflectionResolution: 1.8→30 Å / Num. all: 226864 / Num. obs: 54336 / % possible obs: 99.4 % / Observed criterion σ(F): -467.3 / Observed criterion σ(I): -702.5 / Redundancy: 4.2 % / Biso Wilson estimate: 29 Å2 / Rmerge(I) obs: 0.094 / Net I/σ(I): 10.6
Reflection shellResolution: 1.8→1.87 Å / Redundancy: 0.8 % / Rmerge(I) obs: 0.634 / Num. unique all: 3951 / % possible all: 58.2
Reflection
*PLUS
Num. measured all: 226864
Reflection shell
*PLUS
Rmerge(I) obs: 0.69 / Mean I/σ(I) obs: 2.6

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Processing

Software
NameClassification
CCP4model building
REFMACrefinement
X-GENdata reduction
DENZOdata reduction
SCALEPACKdata scaling
CCP4phasing
RefinementResolution: 1.8→30 Å / σ(F): -456.3 / σ(I): -702.5 / Stereochemistry target values: Engh & Huber
RfactorNum. reflection% reflectionSelection details
Rfree0.267 2759 -RANDOM
Rwork0.201 ---
all0.211 54336 --
obs0.211 54336 99.4 %-
Refinement stepCycle: LAST / Resolution: 1.8→30 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms3563 0 47 692 4302
Refine LS restraints
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONo_bond_d0.024
X-RAY DIFFRACTIONo_angle_d0.1
Software
*PLUS
Name: REFMAC / Classification: refinement
Refinement
*PLUS
Highest resolution: 1.8 Å / Rfactor obs: 0.201
Solvent computation
*PLUS
Displacement parameters
*PLUS
Refine LS restraints
*PLUS
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONp_bond_d0.008
X-RAY DIFFRACTIONp_angle_d0.026

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