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- PDB-1bah: A TWO DISULFIDE DERIVATIVE OF CHARYBDOTOXIN WITH DISULFIDE 13-33 ... -

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Basic information

Entry
Database: PDB / ID: 1bah
TitleA TWO DISULFIDE DERIVATIVE OF CHARYBDOTOXIN WITH DISULFIDE 13-33 REPLACED BY TWO ALPHA-AMINOBUTYRIC ACIDS, NMR, 30 STRUCTURES
ComponentsCHARYBDOTOXIN
KeywordsTOXIN / CHARYBDOTOXIN / NEUROTOXIN / POTASSIUM CHANNEL INHIBITOR
Function / homology
Function and homology information


ion channel inhibitor activity / defense response to fungus / potassium channel regulator activity / toxin activity / killing of cells of another organism / defense response to bacterium / extracellular region
Similarity search - Function
Scorpion short toxins signature. / Scorpion short chain toxin, potassium channel inhibitor / Scorpion short toxin, BmKK2 / Knottin, scorpion toxin-like superfamily
Similarity search - Domain/homology
Potassium channel toxin alpha-KTx 1.1
Similarity search - Component
Biological speciesLeiurus quinquestriatus (Egyptian scorpion)
MethodSOLUTION NMR
AuthorsSong, J. / Gilquin, B. / Jamin, N. / Guenneugues, M. / Dauplais, M. / Vita, C. / Menez, A.
CitationJournal: Biochemistry / Year: 1997
Title: NMR solution structure of a two-disulfide derivative of charybdotoxin: structural evidence for conservation of scorpion toxin alpha/beta motif and its hydrophobic side chain packing.
Authors: Song, J. / Gilquin, B. / Jamin, N. / Drakopoulou, E. / Guenneugues, M. / Dauplais, M. / Vita, C. / Menez, A.
History
DepositionJun 6, 1996Processing site: BNL
Revision 1.0Jan 11, 1997Provider: repository / Type: Initial release
Revision 1.1Mar 24, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance
Revision 2.0Dec 25, 2019Group: Database references / Derived calculations ...Database references / Derived calculations / Other / Polymer sequence
Category: entity_poly / pdbx_database_status ...entity_poly / pdbx_database_status / pdbx_struct_assembly / pdbx_struct_mod_residue / pdbx_struct_oper_list / struct_conn / struct_ref_seq_dif
Item: _entity_poly.pdbx_seq_one_letter_code_can / _pdbx_database_status.process_site ..._entity_poly.pdbx_seq_one_letter_code_can / _pdbx_database_status.process_site / _pdbx_struct_mod_residue.parent_comp_id / _struct_conn.pdbx_leaving_atom_flag / _struct_ref_seq_dif.details
Revision 2.1Jan 15, 2020Group: Database references / Category: struct_ref_seq_dif / Item: _struct_ref_seq_dif.details

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

Downloads & links

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Assembly

Deposited unit
A: CHARYBDOTOXIN


Theoretical massNumber of molelcules
Total (without water)4,2741
Polymers4,2741
Non-polymers00
Water00
1


  • Idetical with deposited unit
  • defined by author
TypeNameSymmetry operationNumber
identity operation1_5551
NMR ensembles
DataCriteria
Number of conformers (submitted / calculated)30 / -
Representative

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Components

#1: Protein/peptide CHARYBDOTOXIN / CHABII


Mass: 4273.921 Da / Num. of mol.: 1
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Leiurus quinquestriatus (Egyptian scorpion)
References: UniProt: P13487

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Experimental details

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Experiment

ExperimentMethod: SOLUTION NMR

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Sample preparation

Sample conditionspH: 6.3 / Temperature: 278 K
Crystal grow
*PLUS
Method: other / Details: NMR

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Processing

Software
NameClassification
X-PLORmodel building
X-PLORrefinement
X-PLORphasing
NMR softwareName: X-PLOR / Developer: BRUNGER / Classification: refinement
NMR ensembleConformers submitted total number: 30

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