"CXCR4" meaning in English

{
  "forms": [
    {
      "form": "CXCR4s",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "CXCR4 (countable and uncountable, plural CXCR4s)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "a co-receptor of CD4 receptor",
          "word": "C-X-C chemokine receptor type 4"
        }
      ],
      "categories": [
        {
          "kind": "other",
          "name": "English entries with incorrect language header",
          "parents": [
            "Entries with incorrect language header",
            "Entry maintenance"
          ],
          "source": "w"
        }
      ],
      "coordinate_terms": [
        {
          "word": "CD4"
        },
        {
          "word": "CCR5"
        }
      ],
      "glosses": [
        "Initialism of C-X-C chemokine receptor type 4. (a co-receptor of CD4 receptor)"
      ],
      "id": "en-CXCR4-en-noun-X9vSl-6H",
      "links": [
        [
          "C-X-C",
          "C-X-C#English"
        ],
        [
          "chemokine",
          "chemokine#English"
        ],
        [
          "receptor",
          "receptor#English"
        ],
        [
          "co-receptor",
          "co-receptor#English"
        ],
        [
          "CD4",
          "CD4#English"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "countable",
        "initialism",
        "uncountable"
      ],
      "wikipedia": [
        "en:CXCR4"
      ]
    }
  ],
  "word": "CXCR4"
}

{
  "coordinate_terms": [
    {
      "word": "CD4"
    },
    {
      "word": "CCR5"
    }
  ],
  "forms": [
    {
      "form": "CXCR4s",
      "tags": [
        "plural"
      ]
    }
  ],
  "head_templates": [
    {
      "args": {
        "1": "~"
      },
      "expansion": "CXCR4 (countable and uncountable, plural CXCR4s)",
      "name": "en-noun"
    }
  ],
  "lang": "English",
  "lang_code": "en",
  "pos": "noun",
  "senses": [
    {
      "alt_of": [
        {
          "extra": "a co-receptor of CD4 receptor",
          "word": "C-X-C chemokine receptor type 4"
        }
      ],
      "categories": [
        "English countable nouns",
        "English entries with incorrect language header",
        "English initialisms",
        "English lemmas",
        "English nouns",
        "English terms spelled with numbers",
        "English uncountable nouns",
        "English words without vowels"
      ],
      "glosses": [
        "Initialism of C-X-C chemokine receptor type 4. (a co-receptor of CD4 receptor)"
      ],
      "links": [
        [
          "C-X-C",
          "C-X-C#English"
        ],
        [
          "chemokine",
          "chemokine#English"
        ],
        [
          "receptor",
          "receptor#English"
        ],
        [
          "co-receptor",
          "co-receptor#English"
        ],
        [
          "CD4",
          "CD4#English"
        ]
      ],
      "tags": [
        "abbreviation",
        "alt-of",
        "countable",
        "initialism",
        "uncountable"
      ],
      "wikipedia": [
        "en:CXCR4"
      ]
    }
  ],
  "word": "CXCR4"
}