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- PDB-1vdi: Solution structure of actin-binding domain of troponin in Ca2+-fr... -

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Basic information

Entry
Database: PDB / ID: 1vdi
TitleSolution structure of actin-binding domain of troponin in Ca2+-free state
ComponentsTroponin I, fast skeletal muscle
KeywordsCONTRACTILE PROTEIN / troponin / actin / tropomyosin
Function / homology
Function and homology information


troponin complex / skeletal muscle contraction / cardiac muscle contraction / actin binding
Similarity search - Function
Single alpha-helices involved in coiled-coils or other helix-helix interfaces - #180 / : / Troponin / Troponin domain superfamily / Troponin / Single alpha-helices involved in coiled-coils or other helix-helix interfaces / Helix non-globular / Special
Similarity search - Domain/homology
Troponin I, fast skeletal muscle
Similarity search - Component
Biological speciesGallus gallus (chicken)
MethodSOLUTION NMR
AuthorsMurakami, K. / Yumoto, F. / Ohki, S. / Yasunaga, T. / Tanokura, M. / Wakabayashi, T.
CitationJournal: J.Mol.Biol. / Year: 2005
Title: Structural Basis for Ca(2+)-regulated Muscle Relaxation at Interaction Sites of Troponin with Actin and Tropomyosin
Authors: Murakami, K. / Yumoto, F. / Ohki, S. / Yasunaga, T. / Tanokura, M. / Wakabayashi, T.
History
DepositionMar 22, 2004Deposition site: PDBJ / Processing site: PDBJ
Revision 1.0Sep 6, 2005Provider: repository / Type: Initial release
Revision 1.1Apr 27, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance
Revision 1.3Mar 2, 2022Group: Database references / Derived calculations
Category: database_2 / pdbx_struct_assembly / pdbx_struct_oper_list
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession
Revision 1.4Dec 27, 2023Group: Data collection / Category: chem_comp_atom / chem_comp_bond

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Structure visualization

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Assembly

Deposited unit
A: Troponin I, fast skeletal muscle


Theoretical massNumber of molelcules
Total (without water)6,1401
Polymers6,1401
Non-polymers00
Water00
1


  • Idetical with deposited unit
  • defined by author
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
NMR ensembles
DataCriteria
Number of conformers (submitted / calculated)20 / 20target function
Representative

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Components

#1: Protein Troponin I, fast skeletal muscle / Troponin I / fast-twitch isoform


Mass: 6139.989 Da / Num. of mol.: 1 / Fragment: residues 131-182
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Gallus gallus (chicken) / Plasmid: pET3a / Production host: Escherichia coli (E. coli) / References: UniProt: P68246

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Experimental details

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Experiment

ExperimentMethod: SOLUTION NMR
NMR experiment
Conditions-IDExperiment-IDSolution-IDType
1113D 15N-separated NOESY
1213D 13C-separated NOESY

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NMR measurement

RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M
Radiation wavelengthRelative weight: 1
NMR spectrometerType: Varian INOVA / Manufacturer: Varian / Model: INOVA / Field strength: 750 MHz

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Processing

NMR ensembleConformer selection criteria: target function / Conformers calculated total number: 20 / Conformers submitted total number: 20

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