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Open data
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Basic information
Entry | Database: PDB / ID: 2it7 | ||||||
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Title | Solution structure of the squash trypsin inhibitor EETI-II | ||||||
![]() | Trypsin inhibitor 2 | ||||||
![]() | PLANT PROTEIN / KNOTTIN / CYSTINE-KNOT / 3-10 HELIX / TRIPLE-STRANDED ANTI-PARALLEL BETA-SHEET | ||||||
Function / homology | Plant trypsin inhibitors / Proteinase inhibitor I7, squash / Squash family serine protease inhibitor / Squash family of serine protease inhibitors signature. / Proteinase/amylase inhibitor domain superfamily / serine-type endopeptidase inhibitor activity / extracellular region / Trypsin inhibitor 2![]() | ||||||
Method | SOLUTION NMR / torsion angle dynamics, simulated annealing, restrained molecular dynamics | ||||||
![]() | Chiche, L. / Heitz, A. / Le-Nguyen, D. | ||||||
![]() | ![]() Title: Knottin cyclization: Structure and stability of cyclic and linear squash inhibitors do not differ significantly Authors: Heitz, A. / Avrutina, O. / Le-Nguyen, D. / Diederichsen, U. / Hernandez, J.F. / Gracy, J. / Kolmar, H. / Chiche, L. #1: ![]() Title: 1H 2D NMR and distance geometry study of the folding of Ecballium elaterium trypsin inhibitor, a member of the squash inhibitors family Authors: Heitz, A. / Chiche, L. / Le-Nguyen, D. / Castro, B. #2: ![]() Title: Use of restrained molecular dynamics in water to determine three-dimensional protein structure: prediction of the three-dimensional structure of Ecballium elaterium trypsin inhibitor II Authors: Chiche, L. / Gaboriaud, C. / Heitz, A. / Mornon, J.P. / Castro, B. / Kollman, P.A. | ||||||
History |
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Remark 700 | SHEET DETERMINATION METHOD: AUTHOR-DETERMINED |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 218.9 KB | Display | ![]() |
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PDB format | ![]() | 153.9 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 331.5 KB | Display | ![]() |
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Full document | ![]() | 431.7 KB | Display | |
Data in XML | ![]() | 11.3 KB | Display | |
Data in CIF | ![]() | 20.3 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
Related structure data | ![]() 2it8C C: citing same article ( |
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Similar structure data | Similarity search - Function & homology ![]() |
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Links
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Assembly
Deposited unit | ![]()
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NMR ensembles |
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Components
#1: Protein/peptide | Mass: 2907.464 Da / Num. of mol.: 1 / Source method: obtained synthetically Details: This sequence occurs naturally in Ecballium elaterium References: UniProt: P12071 |
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-Experimental details
-Experiment
Experiment | Method: SOLUTION NMR | ||||||||||||||||||||||||||||||||
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NMR experiment |
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Sample preparation
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Sample conditions |
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-NMR measurement
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M |
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Radiation wavelength | Relative weight: 1 |
NMR spectrometer | Type: Bruker AVANCE / Manufacturer: Bruker / Model: AVANCE / Field strength: 600 MHz |
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Processing
NMR software |
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Refinement | Method: torsion angle dynamics, simulated annealing, restrained molecular dynamics Software ordinal: 1 | ||||||||||||||||||||
NMR representative | Selection criteria: lowest energy | ||||||||||||||||||||
NMR ensemble | Conformer selection criteria: structures with the lowest energy Conformers calculated total number: 50 / Conformers submitted total number: 30 |