Molecular Definition Implementation Guide for Molecular Data Types
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Molecular Definition Implementation Guide for Molecular Data Types, published by HL7 International / Clinical Genomics. This guide is not an authorized publication; it is the continuous build for version 1.0.0-ballot1 built by the FHIR (HL7® FHIR® Standard) CI Build. This version is based on the current content of https://github.com/HL7/molecular-definition-data-types/ and changes regularly. See the Directory of published versions

: Amino Acid Symbols - JSON Representation

Page standards status: Draft Maturity Level: 0

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{
  "resourceType" : "CodeSystem",
  "id" : "amino-acid",
  "text" : {
    "status" : "generated",
    "div" : "<div xmlns=\"http://www.w3.org/1999/xhtml\"><p class=\"res-header-id\"><b>Generated Narrative: CodeSystem amino-acid</b></p><a name=\"amino-acid\"> </a><a name=\"hcamino-acid\"> </a><p>This case-sensitive code system <code>http://hl7.org/fhir/uv/molecular-definition-data-types/CodeSystem/amino-acid</code> defines the following codes:</p><table class=\"codes\"><tr><td style=\"white-space:nowrap\"><b>Code</b></td><td><b>Display</b></td><td><b>Definition</b></td></tr><tr><td style=\"white-space:nowrap\">A<a name=\"amino-acid-A\"> </a></td><td>Alanine</td><td>A</td></tr><tr><td style=\"white-space:nowrap\">C<a name=\"amino-acid-C\"> </a></td><td>Cysteine</td><td>C</td></tr><tr><td style=\"white-space:nowrap\">D<a name=\"amino-acid-D\"> </a></td><td>Aspartic acid</td><td>D</td></tr><tr><td style=\"white-space:nowrap\">E<a name=\"amino-acid-E\"> </a></td><td>Glutamic acid</td><td>E</td></tr><tr><td style=\"white-space:nowrap\">F<a name=\"amino-acid-F\"> </a></td><td>Phenylalanine</td><td>F</td></tr><tr><td style=\"white-space:nowrap\">G<a name=\"amino-acid-G\"> </a></td><td>Glycine</td><td>G</td></tr><tr><td style=\"white-space:nowrap\">H<a name=\"amino-acid-H\"> </a></td><td>Histidine</td><td>H</td></tr><tr><td style=\"white-space:nowrap\">I<a name=\"amino-acid-I\"> </a></td><td>Isoleucine</td><td>I</td></tr><tr><td style=\"white-space:nowrap\">K<a name=\"amino-acid-K\"> </a></td><td>Lysine</td><td>K</td></tr><tr><td style=\"white-space:nowrap\">L<a name=\"amino-acid-L\"> </a></td><td>Leucine</td><td>L</td></tr><tr><td style=\"white-space:nowrap\">M<a name=\"amino-acid-M\"> </a></td><td>Methionine</td><td>M</td></tr><tr><td style=\"white-space:nowrap\">N<a name=\"amino-acid-N\"> </a></td><td>Asparagine</td><td>N</td></tr><tr><td style=\"white-space:nowrap\">P<a name=\"amino-acid-P\"> </a></td><td>Proline</td><td>P</td></tr><tr><td style=\"white-space:nowrap\">Q<a name=\"amino-acid-Q\"> </a></td><td>Glutamine</td><td>Q</td></tr><tr><td style=\"white-space:nowrap\">R<a name=\"amino-acid-R\"> </a></td><td>Arginine</td><td>R</td></tr><tr><td style=\"white-space:nowrap\">S<a name=\"amino-acid-S\"> </a></td><td>Serine</td><td>S</td></tr><tr><td style=\"white-space:nowrap\">T<a name=\"amino-acid-T\"> </a></td><td>Threonine</td><td>T</td></tr><tr><td style=\"white-space:nowrap\">V<a name=\"amino-acid-V\"> </a></td><td>Valine</td><td>V</td></tr><tr><td style=\"white-space:nowrap\">W<a name=\"amino-acid-W\"> </a></td><td>Tryptophan</td><td>W</td></tr><tr><td style=\"white-space:nowrap\">Y<a name=\"amino-acid-Y\"> </a></td><td>Tyrosine</td><td>Y</td></tr><tr><td style=\"white-space:nowrap\">B<a name=\"amino-acid-B\"> </a></td><td>Aspartic acid or asparagine</td><td>D or N</td></tr><tr><td style=\"white-space:nowrap\">U<a name=\"amino-acid-U\"> </a></td><td>Selenocysteine</td><td>U</td></tr><tr><td style=\"white-space:nowrap\">X<a name=\"amino-acid-X\"> </a></td><td>Unknown or other amino acid</td><td>Any amino acid</td></tr><tr><td style=\"white-space:nowrap\">Z<a name=\"amino-acid-Z\"> </a></td><td>Glutamic acid or glutamine</td><td>E or Q</td></tr><tr><td style=\"white-space:nowrap\">Ala<a name=\"amino-acid-Ala\"> </a></td><td>Alanine</td><td>Ala</td></tr><tr><td style=\"white-space:nowrap\">Cys<a name=\"amino-acid-Cys\"> </a></td><td>Cysteine</td><td>Cys</td></tr><tr><td style=\"white-space:nowrap\">Asp<a name=\"amino-acid-Asp\"> </a></td><td>Aspartic acid</td><td>Asp</td></tr><tr><td style=\"white-space:nowrap\">Glu<a name=\"amino-acid-Glu\"> </a></td><td>Glutamic acid</td><td>Glu</td></tr><tr><td style=\"white-space:nowrap\">Phe<a name=\"amino-acid-Phe\"> </a></td><td>Phenylalanine</td><td>Phe</td></tr><tr><td style=\"white-space:nowrap\">Gly<a name=\"amino-acid-Gly\"> </a></td><td>Glycine</td><td>Gly</td></tr><tr><td style=\"white-space:nowrap\">His<a name=\"amino-acid-His\"> </a></td><td>Histidine</td><td>His</td></tr><tr><td style=\"white-space:nowrap\">Ile<a name=\"amino-acid-Ile\"> </a></td><td>Isoleucine</td><td>Ile</td></tr><tr><td style=\"white-space:nowrap\">Lys<a name=\"amino-acid-Lys\"> </a></td><td>Lysine</td><td>Lys</td></tr><tr><td style=\"white-space:nowrap\">Leu<a name=\"amino-acid-Leu\"> </a></td><td>Leucine</td><td>Leu</td></tr><tr><td style=\"white-space:nowrap\">Met<a name=\"amino-acid-Met\"> </a></td><td>Methionine</td><td>Met</td></tr><tr><td style=\"white-space:nowrap\">Asn<a name=\"amino-acid-Asn\"> </a></td><td>Asparagine</td><td>Asn</td></tr><tr><td style=\"white-space:nowrap\">Pro<a name=\"amino-acid-Pro\"> </a></td><td>Proline</td><td>Pro</td></tr><tr><td style=\"white-space:nowrap\">Gln<a name=\"amino-acid-Gln\"> </a></td><td>Glutamine</td><td>Gln</td></tr><tr><td style=\"white-space:nowrap\">Arg<a name=\"amino-acid-Arg\"> </a></td><td>Arginine</td><td>Arg</td></tr><tr><td style=\"white-space:nowrap\">Ser<a name=\"amino-acid-Ser\"> </a></td><td>Serine</td><td>Ser</td></tr><tr><td style=\"white-space:nowrap\">Thr<a name=\"amino-acid-Thr\"> </a></td><td>Threonine</td><td>Thr</td></tr><tr><td style=\"white-space:nowrap\">Val<a name=\"amino-acid-Val\"> </a></td><td>Valine</td><td>Val</td></tr><tr><td style=\"white-space:nowrap\">Trp<a name=\"amino-acid-Trp\"> </a></td><td>Tryptophan</td><td>Trp</td></tr><tr><td style=\"white-space:nowrap\">Tyr<a name=\"amino-acid-Tyr\"> </a></td><td>Tyrosine</td><td>Tyr</td></tr><tr><td style=\"white-space:nowrap\">Asx<a name=\"amino-acid-Asx\"> </a></td><td>Aspartic acid or asparagine</td><td>Asp or Asn</td></tr><tr><td style=\"white-space:nowrap\">Sec<a name=\"amino-acid-Sec\"> </a></td><td>Selenocysteine</td><td>Sec</td></tr><tr><td style=\"white-space:nowrap\">Xaa<a name=\"amino-acid-Xaa\"> </a></td><td>Unknown or other amino acid</td><td>Any amino acid</td></tr><tr><td style=\"white-space:nowrap\">Glx<a name=\"amino-acid-Glx\"> </a></td><td>Glutamic acid or glutamine</td><td>Glu or Gln</td></tr></table></div>"
  },
  "extension" : [
    {
      "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-wg",
      "valueCode" : "cg"
    },
    {
      "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-fmm",
      "valueInteger" : 0,
      "_valueInteger" : {
        "extension" : [
          {
            "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom",
            "valueCanonical" : "http://hl7.org/fhir/uv/molecular-definition-data-types/ImplementationGuide/hl7.fhir.uv.molecular-definition-data-types"
          }
        ]
      }
    },
    {
      "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-standards-status",
      "valueCode" : "draft",
      "_valueCode" : {
        "extension" : [
          {
            "url" : "http://hl7.org/fhir/StructureDefinition/structuredefinition-conformance-derivedFrom",
            "valueCanonical" : "http://hl7.org/fhir/uv/molecular-definition-data-types/ImplementationGuide/hl7.fhir.uv.molecular-definition-data-types"
          }
        ]
      }
    }
  ],
  "url" : "http://hl7.org/fhir/uv/molecular-definition-data-types/CodeSystem/amino-acid",
  "version" : "1.0.0-ballot1",
  "name" : "AminoAcid",
  "title" : "Amino Acid Symbols",
  "status" : "draft",
  "experimental" : false,
  "date" : "2025-09-05T20:30:49+00:00",
  "publisher" : "HL7 International / Clinical Genomics",
  "contact" : [
    {
      "name" : "HL7 International / Clinical Genomics",
      "telecom" : [
        {
          "system" : "url",
          "value" : "http://www.hl7.org/Special/committees/clingenomics"
        },
        {
          "system" : "email",
          "value" : "cg@lists.HL7.org"
        }
      ]
    }
  ],
  "description" : "Single-letter and three-letter symbols for amino acids, including unambiguous and ambiguous symbols.",
  "jurisdiction" : [
    {
      "coding" : [
        {
          "system" : "http://unstats.un.org/unsd/methods/m49/m49.htm",
          "code" : "001",
          "display" : "World"
        }
      ]
    }
  ],
  "caseSensitive" : true,
  "content" : "complete",
  "count" : 48,
  "concept" : [
    {
      "code" : "A",
      "display" : "Alanine",
      "definition" : "A"
    },
    {
      "code" : "C",
      "display" : "Cysteine",
      "definition" : "C"
    },
    {
      "code" : "D",
      "display" : "Aspartic acid",
      "definition" : "D"
    },
    {
      "code" : "E",
      "display" : "Glutamic acid",
      "definition" : "E"
    },
    {
      "code" : "F",
      "display" : "Phenylalanine",
      "definition" : "F"
    },
    {
      "code" : "G",
      "display" : "Glycine",
      "definition" : "G"
    },
    {
      "code" : "H",
      "display" : "Histidine",
      "definition" : "H"
    },
    {
      "code" : "I",
      "display" : "Isoleucine",
      "definition" : "I"
    },
    {
      "code" : "K",
      "display" : "Lysine",
      "definition" : "K"
    },
    {
      "code" : "L",
      "display" : "Leucine",
      "definition" : "L"
    },
    {
      "code" : "M",
      "display" : "Methionine",
      "definition" : "M"
    },
    {
      "code" : "N",
      "display" : "Asparagine",
      "definition" : "N"
    },
    {
      "code" : "P",
      "display" : "Proline",
      "definition" : "P"
    },
    {
      "code" : "Q",
      "display" : "Glutamine",
      "definition" : "Q"
    },
    {
      "code" : "R",
      "display" : "Arginine",
      "definition" : "R"
    },
    {
      "code" : "S",
      "display" : "Serine",
      "definition" : "S"
    },
    {
      "code" : "T",
      "display" : "Threonine",
      "definition" : "T"
    },
    {
      "code" : "V",
      "display" : "Valine",
      "definition" : "V"
    },
    {
      "code" : "W",
      "display" : "Tryptophan",
      "definition" : "W"
    },
    {
      "code" : "Y",
      "display" : "Tyrosine",
      "definition" : "Y"
    },
    {
      "code" : "B",
      "display" : "Aspartic acid or asparagine",
      "definition" : "D or N"
    },
    {
      "code" : "U",
      "display" : "Selenocysteine",
      "definition" : "U"
    },
    {
      "code" : "X",
      "display" : "Unknown or other amino acid",
      "definition" : "Any amino acid"
    },
    {
      "code" : "Z",
      "display" : "Glutamic acid or glutamine",
      "definition" : "E or Q"
    },
    {
      "code" : "Ala",
      "display" : "Alanine",
      "definition" : "Ala"
    },
    {
      "code" : "Cys",
      "display" : "Cysteine",
      "definition" : "Cys"
    },
    {
      "code" : "Asp",
      "display" : "Aspartic acid",
      "definition" : "Asp"
    },
    {
      "code" : "Glu",
      "display" : "Glutamic acid",
      "definition" : "Glu"
    },
    {
      "code" : "Phe",
      "display" : "Phenylalanine",
      "definition" : "Phe"
    },
    {
      "code" : "Gly",
      "display" : "Glycine",
      "definition" : "Gly"
    },
    {
      "code" : "His",
      "display" : "Histidine",
      "definition" : "His"
    },
    {
      "code" : "Ile",
      "display" : "Isoleucine",
      "definition" : "Ile"
    },
    {
      "code" : "Lys",
      "display" : "Lysine",
      "definition" : "Lys"
    },
    {
      "code" : "Leu",
      "display" : "Leucine",
      "definition" : "Leu"
    },
    {
      "code" : "Met",
      "display" : "Methionine",
      "definition" : "Met"
    },
    {
      "code" : "Asn",
      "display" : "Asparagine",
      "definition" : "Asn"
    },
    {
      "code" : "Pro",
      "display" : "Proline",
      "definition" : "Pro"
    },
    {
      "code" : "Gln",
      "display" : "Glutamine",
      "definition" : "Gln"
    },
    {
      "code" : "Arg",
      "display" : "Arginine",
      "definition" : "Arg"
    },
    {
      "code" : "Ser",
      "display" : "Serine",
      "definition" : "Ser"
    },
    {
      "code" : "Thr",
      "display" : "Threonine",
      "definition" : "Thr"
    },
    {
      "code" : "Val",
      "display" : "Valine",
      "definition" : "Val"
    },
    {
      "code" : "Trp",
      "display" : "Tryptophan",
      "definition" : "Trp"
    },
    {
      "code" : "Tyr",
      "display" : "Tyrosine",
      "definition" : "Tyr"
    },
    {
      "code" : "Asx",
      "display" : "Aspartic acid or asparagine",
      "definition" : "Asp or Asn"
    },
    {
      "code" : "Sec",
      "display" : "Selenocysteine",
      "definition" : "Sec"
    },
    {
      "code" : "Xaa",
      "display" : "Unknown or other amino acid",
      "definition" : "Any amino acid"
    },
    {
      "code" : "Glx",
      "display" : "Glutamic acid or glutamine",
      "definition" : "Glu or Gln"
    }
  ]
}