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Open data
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Basic information
Entry | Database: PDB / ID: 1hp3 | ||||||
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Title | C-TERMINAL TRUNCATION OF OMEGA-ATRACOTOXIN-HV2A (CT-HV2A) | ||||||
![]() | OMEGA-ATRACOTOXIN-HV2A | ||||||
![]() | TOXIN / Cystine knot | ||||||
Function / homology | Omega-atracotoxin, conserved site-2 / Omega-atracotoxin (ACTX) type 2 family signature. / Magi 5 toxic peptide / Magi 5 toxic peptide family / sodium channel inhibitor activity / calcium channel inhibitor activity / toxin activity / extracellular region / Omega-hexatoxin-Hv2a![]() | ||||||
Method | SOLUTION NMR / Torsion angle dynamics, dynamical simulated annealing | ||||||
![]() | Wang, X.-H. / King, G.F. | ||||||
![]() | ![]() Title: Discovery and structure of a potent and highly specific blocker of insect calcium channels Authors: Wang, X.-H. / Connor, M. / Wilson, D. / Wilson, H.I. / Nicholson, G.M. / Smith, R. / Shaw, D. / Mackay, J.P. / Alewood, P.F. / Christie, M.J. / King, G.F. #1: ![]() Title: Discovery and characterization of a family of insecticidal neurotoxins with a rare vicinal disulfide bridge. Authors: Wang, X.-H. / Connor, M. / Smith, R. / Maciejewski, M.W. / Howden, M.E.H. / Nicholson, G.M. #2: ![]() Title: The structure of a novel insecticidal neurotoxin, omega-atracotoxin-HV1, from the venom of an Australian funnel web spider. Authors: Fletcher, J.I. / Smith, R. / O'Donoghue, S.I. / Nilges, M. / Connor, M. / Howden, M.E. / Christie, M.J. / King, G.F. | ||||||
History |
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Structure visualization
Structure viewer | Molecule: ![]() ![]() |
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Downloads & links
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Download
PDBx/mmCIF format | ![]() | 177.1 KB | Display | ![]() |
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PDB format | ![]() | 152.7 KB | Display | ![]() |
PDBx/mmJSON format | ![]() | Tree view | ![]() | |
Others | ![]() |
-Validation report
Summary document | ![]() | 341.6 KB | Display | ![]() |
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Full document | ![]() | 443.9 KB | Display | |
Data in XML | ![]() | 9.9 KB | Display | |
Data in CIF | ![]() | 16.4 KB | Display | |
Arichive directory | ![]() ![]() | HTTPS FTP |
-Related structure data
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Links
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Assembly
Deposited unit | ![]()
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1 |
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NMR ensembles |
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Components
#1: Protein/peptide | Mass: 3383.948 Da / Num. of mol.: 1 / Fragment: N-TERMINAL (RESIDUES 1-32) / Source method: obtained synthetically Details: This sequence does not occur naturally. The peptide was chemically synthesized using standard t-Boc chemistry, and oxidized/folded in a glutathione redox buffer. References: UniProt: P82852 |
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-Experimental details
-Experiment
Experiment | Method: SOLUTION NMR | ||||||||||||||||
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NMR experiment |
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NMR details | Text: This structure was determined using standard 2D homonuclear NMR techniques. |
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Sample preparation
Details |
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Sample conditions | Ionic strength: 0.005 / pH: 4.71 / Pressure: 1 atm / Temperature: 296 K |
-NMR measurement
Radiation | Protocol: SINGLE WAVELENGTH / Monochromatic (M) / Laue (L): M |
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Radiation wavelength | Relative weight: 1 |
NMR spectrometer | Type: Varian INOVA / Manufacturer: Varian / Model: INOVA / Field strength: 600 MHz |
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Processing
NMR software |
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Refinement | Method: Torsion angle dynamics, dynamical simulated annealing Software ordinal: 1 Details: The structures are based on a total of 345 NOE-derived distance restraints, 21 dihedral-angle restraints, plus 22 restraints defining 11 hydrogen bonds. | ||||||||||||||||||||||||
NMR representative | Selection criteria: lowest energy | ||||||||||||||||||||||||
NMR ensemble | Conformer selection criteria: structures with the lowest energy Conformers calculated total number: 100 / Conformers submitted total number: 20 |