http://hl7.org/fhir/StructureDefinition/SubstanceNucleicAcid|4.0.1

Nucleic acids are defined by three distinct elements: the base, sugar and linkage. Individual substance/moiety IDs will be created for each of these elements. The nucleotide sequence will be always entered in the 5’-3’ direction.
{
  "description": "Nucleic acids are defined by three distinct elements: the base, sugar and linkage. Individual substance/moiety IDs will be created for each of these elements. The nucleotide sequence will be always entered in the 5’-3’ direction.",
  "package": "hl7.fhir.r4.core@4.0.1",
  "date": "2019-10-31T22:29:23Z",
  "derivation": "specialization",
  "meta": {
    "lastUpdated": "2019-11-01T09:29:23.356+11:00"
  },
  "publisher": "Health Level Seven International (Biomedical Research and Regulation)",
  "fhirVersion": "4.0.1",
  "name": "SubstanceNucleicAcid",
  "mapping": [ {
    "uri": "http://hl7.org/v3",
    "name": "RIM Mapping",
    "identity": "rim"
  } ],
  "abstract": false,
  "type": "SubstanceNucleicAcid",
  "experimental": null,
  "resourceType": "StructureDefinition",
  "fhirversion": null,
  "title": null,
  "versionAlgorithmCoding": null,
  "extension": [ {
    "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-category",
    "valueString": "Specialized.Medication Definition"
  }, {
    "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
    "valueCode": "trial-use"
  }, {
    "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
    "valueInteger": 0
  }, {
    "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-security-category",
    "valueCode": "anonymous"
  }, {
    "url": "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
    "valueCode": "brr"
  } ],
  "status": "draft",
  "id": "5c1f22c2-06f3-586d-b2fb-be855f247ec8",
  "kind": "resource",
  "url": "http://hl7.org/fhir/StructureDefinition/SubstanceNucleicAcid",
  "identifier": null,
  "versionAlgorithmString": null,
  "fhir_id": null,
  "version": "4.0.1",
  "contact": [ {
    "telecom": [ {
      "value": "http://hl7.org/fhir",
      "system": "url"
    } ]
  }, {
    "telecom": [ {
      "value": "http://www.hl7.org/Special/committees/rcrim/index.cfm",
      "system": "url"
    } ]
  } ],
  "baseDefinition": "http://hl7.org/fhir/StructureDefinition/DomainResource"
}