@prefix this: <https://w3id.org/np/RA7ntPzIRUSsBiid3Mex34NARDn43rqRbmcqQC_C_Lch8> .
@prefix sub: <https://w3id.org/np/RA7ntPzIRUSsBiid3Mex34NARDn43rqRbmcqQC_C_Lch8/> .
@prefix np: <http://www.nanopub.org/nschema#> .
@prefix rdf: <http://www.w3.org/1999/02/22-rdf-syntax-ns#> .
@prefix prov: <http://www.w3.org/ns/prov#> .
@prefix npx: <http://purl.org/nanopub/x/> .
@prefix dc: <http://purl.org/dc/terms/> .
@prefix xsd: <http://www.w3.org/2001/XMLSchema#> .

sub:Head {
  this: a np:Nanopublication;
    np:hasAssertion sub:assertion;
    np:hasProvenance sub:provenance;
    np:hasPublicationInfo sub:pubinfo .
}

sub:assertion {
  <https://w3id.org/delphi/resource/claim/buehler-2007-hierarchies-01> a <https://w3id.org/delphi/ontology/Claim>;
    dc:description "The unfolding of alpha-helical and beta-sheet protein domains under load has two discrete transition states, each corresponding to a distinct fracture mechanism, rather than a transition state whose position moves continuously with pulling velocity.";
    dc:type "simulation-result";
    <http://www.w3.org/2000/01/rdf-schema#label> "Two discrete transition states govern protein domain unfolding";
    <https://w3id.org/delphi/ontology/context> "Theodor Ackbarow et al., “Hierarchies, multiple energy barriers, and robustness govern the fracture mechanics of α-helical and β-sheet protein domains”, Proceedings of the National Academy of Sciences 104, 16410-16415 (2007), doi:10.1073/pnas.0705759104; Abstract. Scope: Atomistic simulation of alpha-helical and beta-sheet domains over four orders of magnitude in pulling rate" .
}

sub:provenance {
  <https://doi.org/10.1073/pnas.0705759104> a <https://schema.org/CreativeWork>;
    dc:bibliographicCitation "Theodor Ackbarow, Xuefeng Chen, Sinan Keten, Markus J. Buehler. Hierarchies, multiple energy barriers, and robustness govern the fracture mechanics of α-helical and β-sheet protein domains. Proceedings of the National Academy of Sciences 104, 16410-16415 (2007). doi:10.1073/pnas.0705759104";
    dc:creator "Theodor Ackbarow, Xuefeng Chen, Sinan Keten, Markus J. Buehler";
    dc:date "2007"^^xsd:gYear;
    dc:identifier "PMC2034213", "doi:10.1073/pnas.0705759104", "pmid:17925444";
    dc:title "Hierarchies, multiple energy barriers, and robustness govern the fracture mechanics of α-helical and β-sheet protein domains" .
  
  <https://w3id.org/delphi/resource/agent/delphisci-buehler-protein-materials-extractor>
    a prov:SoftwareAgent;
    <http://www.w3.org/2000/01/rdf-schema#label> "delphisci buehler-protein-materials claim extractor";
    prov:actedOnBehalfOf <https://orcid.org/0009-0007-4948-9192>;
    <https://w3id.org/delphi/ontology/usesModel> <https://w3id.org/delphi/resource/model/claude-fable-5.1> .
  
  <https://w3id.org/delphi/resource/model/claude-fable-5.1> a <https://w3id.org/delphi/ontology/LanguageModel>;
    <http://www.w3.org/2000/01/rdf-schema#label> "Claude Fable 5.1" .
  
  sub:assertion prov:wasAttributedTo <https://w3id.org/delphi/resource/agent/delphisci-buehler-protein-materials-extractor>;
    prov:wasDerivedFrom <https://doi.org/10.1073/pnas.0705759104>, sub:quote;
    prov:wasGeneratedBy sub:extraction .
  
  sub:extraction a prov:Activity;
    prov:qualifiedAssociation sub:extractionPlan;
    prov:used <https://github.com/fractastical/delphisci/blob/b89a0890bee05ef18f8202387085854fac3ca776/claim-sources/buehler-protein-materials/inputs/sources.json>,
      <https://www.ebi.ac.uk/europepmc/webservices/rest/search?query=DOI:10.1073/pnas.0705759104&resultType=core&format=json>;
    prov:wasAssociatedWith <https://w3id.org/delphi/resource/agent/delphisci-buehler-protein-materials-extractor> .
  
  sub:extractionPlan prov:hadPlan <https://github.com/fractastical/delphisci/blob/b89a0890bee05ef18f8202387085854fac3ca776/claim-sources/buehler-protein-materials/build/generate.mjs> .
  
  sub:quote a prov:Entity;
    <http://www.w3.org/2000/01/rdf-schema#comment> "Quoted from the published abstract as returned by Europe PMC (2007-hierarchies.abstract.txt, sha256 4f052f4a8a9ddc7dfecc384493c31e0f00fcd9873ded36486b8618493fdf4e18); the full text was not read (not in Europe PMC open-access subset). Checked by build/check.py.";
    prov:hadPrimarySource <https://www.ebi.ac.uk/europepmc/webservices/rest/search?query=DOI:10.1073/pnas.0705759104&resultType=core&format=json>;
    prov:wasQuotedFrom <https://doi.org/10.1073/pnas.0705759104>;
    <https://schema.org/text> "We find that two discrete transition states corresponding to two fracture mechanisms exist." .
  
  sub:sourceChecksum <http://spdx.org/rdf/terms#algorithm> <http://spdx.org/rdf/terms#checksumAlgorithm_sha256>;
    <http://spdx.org/rdf/terms#checksumValue> "4f052f4a8a9ddc7dfecc384493c31e0f00fcd9873ded36486b8618493fdf4e18";
    <http://www.w3.org/2000/01/rdf-schema#comment> "Checksum of the vendored text file inputs/2007-hierarchies.abstract.txt, not of the publisher's copy." .
  
  <https://www.ebi.ac.uk/europepmc/webservices/rest/search?query=DOI:10.1073/pnas.0705759104&resultType=core&format=json>
    a prov:Entity;
    <http://spdx.org/rdf/terms#checksum> sub:sourceChecksum;
    <http://www.w3.org/2000/01/rdf-schema#label> "Abstract of Hierarchies, multiple energy barriers, and robustness govern the fracture mechanics of α-helical and β-sheet protein domains, as read";
    <https://schema.org/about> <https://doi.org/10.1073/pnas.0705759104> .
}

sub:pubinfo {
  <https://w3id.org/delphi/resource/domain/buehler-protein-materials> <http://www.w3.org/2000/01/rdf-schema#label>
      "buehler-protein-materials" .
  
  this: dc:created "2026-11-08T04:38:11.893Z"^^xsd:dateTime;
    dc:creator <https://orcid.org/0009-0007-4948-9192>;
    dc:license <https://creativecommons.org/licenses/by/4.0/>;
    npx:hasNanopubType <https://w3id.org/delphi/ontology/Claim>;
    npx:introduces <https://w3id.org/delphi/resource/claim/buehler-2007-hierarchies-01>;
    <http://www.w3.org/2000/01/rdf-schema#label> "Theodor Ackbarow et al. 2007 claim: Two discrete transition states govern protein domain unfolding";
    <https://w3id.org/delphi/ontology/domain> <https://w3id.org/delphi/resource/domain/buehler-protein-materials> .
  
  sub:sig npx:hasAlgorithm "RSA";
    npx:hasPublicKey "MIIBIjANBgkqhkiG9w0BAQEFAAOCAQ8AMIIBCgKCAQEAyFHtPB6p0mCjDozxlOY9CmO3nBm7Te3jFbXyLmM+G1tGe47Da0jYIbhkl9Oo1ZjxmCa3LCwlEqK8gj6hEIcL4ahW30JXh9HycfKVk1bugkzMEV15tJdTzAU3sGMFnbNsn43xY2LFLy45tApkRm5byEiM7oRRrooIdwoQKnP4Wzq/bfAoJ9qvW+MGkelyOTd1jbSt+KfmT7xKmDfWzAHddUlWwMX2QJOLxDaffOteTop6ZRgPiNmPJKA/S62Gac9XtSYT3oDkZ6/nr5cxxNLpOyxTf5FPISiCe11xYO/unYjY+mwnOfA8yhJIyx1l0O9I0vpOpn+E5TvyHJV+oSTrvwIDAQAB";
    npx:hasSignature "T3raVuZjT7cNunj+5wCJGekrBrKz55PcP7vklL4b/8c6XZt0hhgHMAcozqrStEzrHkVnlF0AfCsESABNICcXbQt97vhAt1ouP5fqkSm7olA6Gn5FZtK1dLnAoEjHbATcePM0EajlJUx72GLp4wrre/aCNw8in5YxVN0q4JNnoXSaIcB/SMjlc7mZG2O+jrRkIiOUsi5Camka724rqN8v5vA0U/ZZ0sPhC8Z7+qXqvi+IttOutnHtfkzOmTbBvJFjc9N3iNBKsXQI2RBDnEyHB12yU6x2u33Ok+0K3o6AgnPvKcVErAo1FrAKaKHKVSwXWYPS1jJUGEhsw+j46pZO0w==";
    npx:hasSignatureTarget this:;
    npx:signedBy <https://orcid.org/0009-0007-4948-9192> .
}