"iron-sulfur cluster" meaning in English

{
  "forms": [
    {
      "form": "iron-sulfur clusters",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "iron-sulfur cluster (plural iron-sulfur clusters)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English entries with topic categories using raw markup",
          "parents": [
            "Entries with topic categories using raw markup",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "other",
          "name": "English terms with non-redundant non-automated sortkeys",
          "parents": [
            "Terms with non-redundant non-automated sortkeys",
            "Entry maintenance"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Biochemistry",
          "orig": "en:Biochemistry",
          "parents": [
            "Biology",
            "Chemistry",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Iron",
          "orig": "en:Iron",
          "parents": [
            "Transition metals",
            "Chemical elements",
            "Metals",
            "Matter",
            "Metallurgy",
            "Chemistry",
            "Nature",
            "Technology",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        },
        {
          "kind": "topical",
          "langcode": "en",
          "name": "Sulfur",
          "orig": "en:Sulfur",
          "parents": [
            "Chalcogens",
            "Chemical elements",
            "Matter",
            "Chemistry",
            "Nature",
            "Sciences",
            "All topics",
            "Fundamental"
          ],
          "source": "w"
        }
      ],
      "glosses": [
        "A unit comprising two or more iron atoms and bridging sulfur ligands in an iron-sulfur protein."
      ],
      "id": "en-iron-sulfur_cluster-en-noun-MN6Mnt9D",
      "links": [
        [
          "biochemistry",
          "biochemistry"
        ],
        [
          "bridging",
          "bridging"
        ],
        [
          "ligand",
          "ligand"
        ],
        [
          "iron-sulfur protein",
          "iron-sulfur protein"
        ]
      ],
      "raw_glosses": [
        "(biochemistry) A unit comprising two or more iron atoms and bridging sulfur ligands in an iron-sulfur protein."
      ],
      "synonyms": [
        {
          "word": "iron-sulphur cluster"
        }
      ],
      "topics": [
        "biochemistry",
        "biology",
        "chemistry",
        "microbiology",
        "natural-sciences",
        "physical-sciences"
      ]
    }
  ],
  "word": "iron-sulfur cluster"
}

{
  "forms": [
    {
      "form": "iron-sulfur clusters",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {},
      "expansion": "iron-sulfur cluster (plural iron-sulfur clusters)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English entries with topic categories using raw markup",
        "English lemmas",
        "English multiword terms",
        "English nouns",
        "English terms with non-redundant non-automated sortkeys",
        "en:Biochemistry",
        "en:Iron",
        "en:Sulfur"
      ],
      "glosses": [
        "A unit comprising two or more iron atoms and bridging sulfur ligands in an iron-sulfur protein."
      ],
      "links": [
        [
          "biochemistry",
          "biochemistry"
        ],
        [
          "bridging",
          "bridging"
        ],
        [
          "ligand",
          "ligand"
        ],
        [
          "iron-sulfur protein",
          "iron-sulfur protein"
        ]
      ],
      "raw_glosses": [
        "(biochemistry) A unit comprising two or more iron atoms and bridging sulfur ligands in an iron-sulfur protein."
      ],
      "topics": [
        "biochemistry",
        "biology",
        "chemistry",
        "microbiology",
        "natural-sciences",
        "physical-sciences"
      ]
    }
  ],
  "synonyms": [
    {
      "word": "iron-sulphur cluster"
    }
  ],
  "word": "iron-sulfur cluster"
}