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- PDB-1diw: THE HC FRAGMENT OF TETANUS TOXIN COMPLEXED WITH GALACTOSE -

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Basic information

Entry
Database: PDB / ID: 1diw
TitleTHE HC FRAGMENT OF TETANUS TOXIN COMPLEXED WITH GALACTOSE
ComponentsTETANUS TOXIN HC
KeywordsTOXIN / BETA TREFOIL / JELLY-ROLL
Function / homology
Function and homology information


tentoxilysin / symbiont-mediated perturbation of host neurotransmitter secretion / Toxicity of tetanus toxin (tetX) / symbiont-mediated suppression of host exocytosis / protein transmembrane transporter activity / clathrin-coated endocytic vesicle membrane / metalloendopeptidase activity / endocytic vesicle membrane / toxin activity / proteolysis ...tentoxilysin / symbiont-mediated perturbation of host neurotransmitter secretion / Toxicity of tetanus toxin (tetX) / symbiont-mediated suppression of host exocytosis / protein transmembrane transporter activity / clathrin-coated endocytic vesicle membrane / metalloendopeptidase activity / endocytic vesicle membrane / toxin activity / proteolysis / extracellular region / zinc ion binding / plasma membrane / cytosol
Similarity search - Function
Clostridium neurotoxin, translocation / Clostridium neurotoxin, Translocation domain / Clostridium neurotoxin, translocation domain / Clostridium neurotoxin, receptor-binding C-terminal / Clostridium neurotoxin, C-terminal receptor binding / Clostridial neurotoxin zinc protease / Botulinum/Tetanus toxin, catalytic chain / Clostridium neurotoxin, receptor binding N-terminal / Clostridium neurotoxin, N-terminal receptor binding / Kunitz inhibitor STI-like superfamily ...Clostridium neurotoxin, translocation / Clostridium neurotoxin, Translocation domain / Clostridium neurotoxin, translocation domain / Clostridium neurotoxin, receptor-binding C-terminal / Clostridium neurotoxin, C-terminal receptor binding / Clostridial neurotoxin zinc protease / Botulinum/Tetanus toxin, catalytic chain / Clostridium neurotoxin, receptor binding N-terminal / 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-D-galactopyranose / Tetanus toxin
Similarity search - Component
Biological speciesClostridium tetani (bacteria)
MethodX-RAY DIFFRACTION / SYNCHROTRON / Resolution: 2 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. / Schmidt, J.J. / Sax, M.
History
DepositionNov 30, 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: Version format compliance
Revision 1.3Oct 4, 2017Group: Refinement description / Category: software / Item: _software.classification / _software.name
Revision 1.4Jul 29, 2020Group: Data collection / Database references ...Data collection / Database references / Derived calculations / Structure summary
Category: chem_comp / entity ...chem_comp / entity / pdbx_chem_comp_identifier / pdbx_entity_nonpoly / struct_ref_seq_dif / struct_site / struct_site_gen
Item: _chem_comp.name / _chem_comp.type ..._chem_comp.name / _chem_comp.type / _entity.pdbx_description / _pdbx_entity_nonpoly.name / _struct_ref_seq_dif.details
Description: Carbohydrate remediation / Provider: repository / Type: Remediation
Revision 1.5Feb 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

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Assembly

Deposited unit
A: TETANUS TOXIN HC
hetero molecules


Theoretical massNumber of molelcules
Total (without water)50,6992
Polymers50,5191
Non-polymers1801
Water6,233346
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 HC


Mass: 50518.957 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Clostridium tetani (bacteria) / Plasmid: PET16B / Production host: Escherichia coli (E. coli) / References: UniProt: P04958, tentoxilysin
#2: Sugar ChemComp-GAL / beta-D-galactopyranose / beta-D-galactose / D-galactose / galactose


Type: D-saccharide, beta linking / Mass: 180.156 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Formula: C6H12O6
IdentifierTypeProgram
DGalpbCONDENSED IUPAC CARBOHYDRATE SYMBOLGMML 1.0
b-D-galactopyranoseCOMMON NAMEGMML 1.0
b-D-GalpIUPAC CARBOHYDRATE SYMBOLPDB-CARE 1.0
GalSNFG CARBOHYDRATE SYMBOLGMML 1.0
#3: Water ChemComp-HOH / water


Mass: 18.015 Da / Num. of mol.: 346 / 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: 57.22 %
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: 92 K
Diffraction sourceSource: SYNCHROTRON / Site: SRS / Beamline: PX9.6 / Wavelength: 0.87
DetectorType: ADSC QUANTUM 4 / Detector: CCD / 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: 2→27.92 Å / Num. all: 37419 / Num. obs: 37419 / % possible obs: 94.5 % / Observed criterion σ(F): -97.6 / Observed criterion σ(I): -97.6 / Redundancy: 3.7 % / Biso Wilson estimate: 27.1 Å2 / Rmerge(I) obs: 0.106 / Net I/σ(I): 8.5
Reflection shellResolution: 2→2.07 Å / Redundancy: 3.3 % / Rmerge(I) obs: 0.699 / % possible all: 96.6
Reflection
*PLUS
Lowest resolution: 20 Å / % possible obs: 98.8 % / Num. measured all: 145911
Reflection shell
*PLUS
Rmerge(I) obs: 0.84 / Mean I/σ(I) obs: 1.1

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Processing

Software
NameClassification
CCP4model building
REFMACrefinement
Adxvdata processing
SCALEPACKdata scaling
CCP4phasing
RefinementResolution: 2→27.9 Å / σ(F): -96.5 / σ(I): -96.5 / Stereochemistry target values: ENGH & HUBER
RfactorNum. reflection% reflectionSelection details
Rfree0.267 1703 -RANDOM (CCP4 FREERFLAG)
Rwork0.216 ---
all0.217 37419 --
obs0.217 37419 98.8 %-
Refinement stepCycle: LAST / Resolution: 2→27.9 Å
ProteinNucleic acidLigandSolventTotal
Num. atoms3566 0 12 346 3924
Software
*PLUS
Name: REFMAC / Classification: refinement
Refinement
*PLUS
Highest resolution: 2 Å / Rfactor obs: 0.216
Solvent computation
*PLUS
Displacement parameters
*PLUS
Refine LS restraints
*PLUS
Refine-IDTypeDev ideal
X-RAY DIFFRACTIONp_bond_d0.01
X-RAY DIFFRACTIONp_angle_d0.034

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