https://w3id.org/np/RABHZUUeSyiShJvoX83cMoJ8zvoemiVqEPCbWOTxV7nUQ
.trig | .trig.txt | .jelly | .jelly.txt | .jsonld | .jsonld.txt | .nq | .nq.txt | .xml | .xml.txt
@prefix this: <https://w3id.org/np/RABHZUUeSyiShJvoX83cMoJ8zvoemiVqEPCbWOTxV7nUQ> .
@prefix sub: <https://w3id.org/np/RABHZUUeSyiShJvoX83cMoJ8zvoemiVqEPCbWOTxV7nUQ/> .
@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-04> a <https://w3id.org/delphi/ontology/Claim>;
dc:description "In the hierarchical Bell model applied to alpha-helices, 3–4 parallel hydrogen bonds per turn are optimal for the protein's combined mechanical and thermodynamic stability, matching the 3.6 hydrogen bonds per turn of real alpha-helices.";
dc:type "prediction";
<http://www.w3.org/2000/01/rdf-schema#comment> "Notation basis: The optimum and the observed value are stated in the abstract; the objective being optimised is in the full text.";
<http://www.w3.org/2000/01/rdf-schema#label> "Three to four parallel hydrogen bonds per turn is the mechanically and thermodynamically favoured number";
<http://www.w3.org/2004/02/skos/core#notation> "b^{*} \\in \\{3, 4\\} \\quad (\\text{observed } b = 3.6 \\text{ H-bonds per turn})";
<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: Alpha-helical protein domains" .
}
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 exemplify our model in a study of AHs, and show that 3-4 parallel HBs per turn are favorable in light of the protein's mechanical and thermodynamical stability, in agreement with experimental findings that AHs feature 3.6 HBs per turn." .
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-04>;
<http://www.w3.org/2000/01/rdf-schema#label> "Theodor Ackbarow et al. 2007 claim: Three to four parallel hydrogen bonds per turn is the mechanically and thermodynamically favoured number";
<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 "cOD+kt5F+fIj92K3/uLPBb76PGCD3fqo5sy05xiQ7QB5I69Buk+cgvt6IIUKjYmx72PPHhsvw5bV7h9dR1i6RNjXa9acfqQjnNWS6ITba49YEpnbSzf9890X0GP2q5S9l+8Hur5t3iSoJvyccrx+ENRLA9aettNyZBWy+zrkaWdngf3mFryiFL1i7t7r/tD7eAZfDx9B+za0YHcPuSzFby/SnKPSLowmHXLIFx7D7qlqlzr+SadqAO/Lx+zS5OnENQLgF7SYuVwjNDAo+qg7JflFmzAnTdsPA1K3JFRCTIFt+usWURvDN0TjcAtnvBOH0eC0IqAh0+FjfYF3XHJ0sQ==";
npx:hasSignatureTarget this:;
npx:signedBy <https://orcid.org/0009-0007-4948-9192> .
}