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- PDB-2feb: NMR Solution Structure, Dynamics and Binding Properties of the Kr... -

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Basic information

Entry
Database: PDB / ID: 2feb
TitleNMR Solution Structure, Dynamics and Binding Properties of the Kringle IV Type 8 module of apolipoprotein(a)
ComponentsApolipoprotein(a)
KeywordsHYDROLASE / tri-loop structure / disulphide bonded protein
Function / homology
Function and homology information


plasma lipoprotein particle / LDL remodeling / blood circulation / lipid transport / endopeptidase inhibitor activity / apolipoprotein binding / fibronectin binding / Hydrolases; Acting on peptide bonds (peptidases); Serine endopeptidases / lipid metabolic process / heparin binding ...plasma lipoprotein particle / LDL remodeling / blood circulation / lipid transport / endopeptidase inhibitor activity / apolipoprotein binding / fibronectin binding / Hydrolases; Acting on peptide bonds (peptidases); Serine endopeptidases / lipid metabolic process / heparin binding / endopeptidase activity / signaling receptor binding / serine-type endopeptidase activity / proteolysis / extracellular space / extracellular region
Similarity search - Function
Plasminogen Kringle 4 / Plasminogen Kringle 4 / Kringle domain / Kringle / Kringle, conserved site / Kringle superfamily / Kringle domain signature. / Kringle domain profile. / Kringle domain / Kringle-like fold ...Plasminogen Kringle 4 / Plasminogen Kringle 4 / Kringle domain / Kringle / Kringle, conserved site / Kringle superfamily / Kringle domain signature. / Kringle domain profile. / Kringle domain / Kringle-like fold / Serine proteases, trypsin family, histidine active site / Serine proteases, trypsin family, serine active site / Peptidase S1A, chymotrypsin family / Serine proteases, trypsin family, histidine active site. / Serine proteases, trypsin domain profile. / Serine proteases, trypsin family, serine active site. / Trypsin-like serine protease / Serine proteases, trypsin domain / Trypsin / Peptidase S1, PA clan, chymotrypsin-like fold / Peptidase S1, PA clan / Beta Barrel / Mainly Beta
Similarity search - Domain/homology
Biological speciesHomo sapiens (human)
MethodSOLUTION NMR / simulated annealing, molecular dynamics torsion angle dynamics
AuthorsChitayat, S. / Kanelis, V. / Koschinsky, M.L. / Smith, S.P.
CitationJournal: Biochemistry / Year: 2007
Title: Nuclear magnetic resonance (NMR) solution structure, dynamics, and binding properties of the kringle IV type 8 module of apolipoprotein(a).
Authors: Chitayat, S. / Kanelis, V. / Koschinsky, M.L. / Smith, S.P.
History
DepositionDec 15, 2005Deposition site: RCSB / Processing site: RCSB
Revision 1.0Dec 26, 2006Provider: repository / Type: Initial release
Revision 1.1May 1, 2008Group: Version format compliance
Revision 1.2Jul 13, 2011Group: Version format compliance
Revision 1.3Mar 9, 2022Group: Database references / Derived calculations
Category: database_2 / pdbx_struct_assembly ...database_2 / pdbx_struct_assembly / pdbx_struct_oper_list / struct_ref_seq_dif
Item: _database_2.pdbx_DOI / _database_2.pdbx_database_accession / _struct_ref_seq_dif.details

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Structure visualization

Structure viewerMolecule:
MolmilJmol/JSmol

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Assembly

Deposited unit
A: Apolipoprotein(a)


Theoretical massNumber of molelcules
Total (without water)11,8101
Polymers11,8101
Non-polymers00
Water0
1


  • Idetical with deposited unit
  • defined by author
TypeNameSymmetry operationNumber
identity operation1_555x,y,z1
NMR ensembles
DataCriteria
Number of conformers (submitted / calculated)20 / 20all calculated structures submitted,structures with acceptable covalent geometry,structures with favorable non-bond energy,structures with the least restraint violations,structures with the lowest energy
RepresentativeModel #21fewest violations,lowest energy,minimized average structure

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Components

#1: Protein Apolipoprotein(a) / Apoa / Lpa


Mass: 11810.153 Da / Num. of mol.: 1 / Fragment: kringle module
Source method: isolated from a genetically manipulated source
Source: (gene. exp.) Homo sapiens (human) / Gene: LPA / Plasmid: pet16b / Species (production host): Escherichia coli / Production host: Escherichia coli BL21(DE3) (bacteria) / Strain (production host): BL21(DE3)
References: UniProt: P08519, Hydrolases; Acting on peptide bonds (peptidases); Serine endopeptidases

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Experimental details

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Experiment

ExperimentMethod: SOLUTION NMR
NMR experiment
Conditions-IDExperiment-IDSolution-IDType
1113D 13C-separated NOESY
1213D 15N-separated NOESY
1313D 13C-separated aromatic NOESY
NMR detailsText: This structure was determined using standard 3D multi-dimensional heteronuclear NMR techniques.

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Sample preparation

DetailsContents: 1mM kringle IV type 8, H20 / Solvent system: H20
Sample conditionsIonic strength: 20mM Tris / pH: 7.2 / Pressure: ambient / Temperature: 298 K

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NMR measurement

RadiationProtocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M
Radiation wavelengthRelative weight: 1
NMR spectrometer
TypeManufacturerModelField strength (MHz)Spectrometer-ID
Varian INOVAVarianINOVA6001
Varian INOVAVarianINOVA8002

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Processing

NMR software
NameVersionDeveloperClassification
CNS1.1Brungerstructure solution
CNS1.1Brungerrefinement
RefinementMethod: simulated annealing, molecular dynamics torsion angle dynamics
Software ordinal: 1
Details: 3070 NOE-derived distance restraints, 43 dihedral angle restraints
NMR representativeSelection criteria: fewest violations,lowest energy,minimized average structure
NMR ensembleConformer selection criteria: all calculated structures submitted,structures with acceptable covalent geometry,structures with favorable non-bond energy,structures with the least restraint ...Conformer selection criteria: all calculated structures submitted,structures with acceptable covalent geometry,structures with favorable non-bond energy,structures with the least restraint violations,structures with the lowest energy
Conformers calculated total number: 20 / Conformers submitted total number: 20

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