+Open data
-Basic information
Entry | Database: PDB / ID: 7n21 | |||||||||
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Title | NMR structure of AnIB-OH | |||||||||
Components | Alpha-conotoxin AnIB | |||||||||
Keywords | TOXIN / alpha-conotoxin / CC-C-C framework / alpha4/7 pattern / sulfotyrosine | |||||||||
Function / homology | Conotoxin, alpha-type, conserved site / Alpha-conotoxin family signature. / host cell postsynaptic membrane / acetylcholine receptor inhibitor activity / ion channel regulator activity / toxin activity / extracellular region / Alpha-conotoxin AnIB Function and homology information | |||||||||
Biological species | Conus anemone (invertebrata) | |||||||||
Method | SOLUTION NMR / simulated annealing / na | |||||||||
Model details | AnIB, tyrosine sulfated, C-terminal acid | |||||||||
Authors | Conibear, A.C. / Rosengren, K.J. / Lee, H.S. | |||||||||
Funding support | Australia, 2items
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Citation | Journal: Rsc Med Chem / Year: 2021 Title: Posttranslational modifications of alpha-conotoxins: sulfotyrosine and C-terminal amidation stabilise structures and increase acetylcholine receptor binding. Authors: Ho, T.N.T. / Lee, H.S. / Swaminathan, S. / Goodwin, L. / Rai, N. / Ushay, B. / Lewis, R.J. / Rosengren, K.J. / Conibear, A.C. | |||||||||
History |
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-Structure visualization
Structure viewer | Molecule: MolmilJmol/JSmol |
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-Downloads & links
-Download
PDBx/mmCIF format | 7n21.cif.gz | 75.8 KB | Display | PDBx/mmCIF format |
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PDB format | pdb7n21.ent.gz | 51.8 KB | Display | PDB format |
PDBx/mmJSON format | 7n21.json.gz | Tree view | PDBx/mmJSON format | |
Others | Other downloads |
-Validation report
Summary document | 7n21_validation.pdf.gz | 503.1 KB | Display | wwPDB validaton report |
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Full document | 7n21_full_validation.pdf.gz | 582.2 KB | Display | |
Data in XML | 7n21_validation.xml.gz | 11.3 KB | Display | |
Data in CIF | 7n21_validation.cif.gz | 16.2 KB | Display | |
Arichive directory | https://data.pdbj.org/pub/pdb/validation_reports/n2/7n21 ftp://data.pdbj.org/pub/pdb/validation_reports/n2/7n21 | HTTPS FTP |
-Related structure data
Related structure data | 7n0tC 7n1zC 7n20C 7n22C 7n23C 7n24C 7n25C 7n26C C: citing same article (ref.) |
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Similar structure data | |
Other databases |
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-Links
-Assembly
Deposited unit |
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1 |
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NMR ensembles |
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-Components
#1: Protein/peptide | Mass: 1794.922 Da / Num. of mol.: 1 / Source method: obtained synthetically / Details: solid phase peptide synthesis / Source: (synth.) Conus anemone (invertebrata) / References: UniProt: P0C1V7 |
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Has ligand of interest | Y |
Has protein modification | Y |
-Experimental details
-Experiment
Experiment | Method: SOLUTION NMR | ||||||||||||||||||||||||||||||
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NMR experiment |
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-Sample preparation
Details | Type: solution Contents: 1.0 mg/mL Alpha-conotoxin AnIB-OH, 90% H2O/10% D2O Details: 90% H2O, 10% D2O, 10 uM 2,2-dimethyl-2-silapentane-5-sulfonate sodium salt (DSS), pH 3.0 Label: CX0015 / Solvent system: 90% H2O/10% D2O | ||||||||||||
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Sample |
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Sample conditions | Details: 90% H2O, 10% D2O, 10 uM 2,2-dimethyl-2-silapentane-5-sulfonate sodium salt (DSS), pH 3.0 Ionic strength: 5 mM / Label: aqueous / pH: 3 / Pressure: ambient / Temperature: 298 K |
-NMR measurement
NMR spectrometer | Type: Bruker AVANCE / Manufacturer: Bruker / Model: AVANCE / Field strength: 700 MHz |
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-Processing
NMR software |
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Refinement |
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NMR representative | Selection criteria: lowest energy and best molprobity score | ||||||||||||||||
NMR ensemble | Conformer selection criteria: 20 structures of lowest energy, no significant violations and best MolProbity score Conformers calculated total number: 50 / Conformers submitted total number: 20 |