Secretory Immunoglobulin A

The principle immunoglobulin in exocrine secretions such as milk, respiratory and intestinal mucin, saliva and tears. The complete molecule (around 400 kD) is composed of two four-chain units of IMMUNOGLOBULIN A, one SECRETORY COMPONENT and one J chain (IMMUNOGLOBULIN J-CHAINS).

Also Known As:

SIgA; Immunoglobulin A, Secretory; Exocrine IgA; IgA, Colostral; Colostral IgA; IgA, Exocrine; IgA, Secretory; Secretory IgA

Pharmalogical Action Categories:

Immunologic Factors

Amino Acids, Peptides, and Proteins: 1
- Proteins: 496323
  - Blood Proteins: 12679
    - Serum Globulins: 555
      - Immunoglobulins: 30911
        Antibodies: 135587
        Immunoglobulin Isotypes: 1094
        Immunoglobulin A: 19851
        Secretory Immunoglobulin A: 1594
    - Immunoproteins: 43
      - Immunoglobulins: 30911
        Antibodies: 135587
        Immunoglobulin Isotypes: 1094
        Immunoglobulin A: 19851
        Secretory Immunoglobulin A: 1594
  - Globulins: 3119
    - Serum Globulins: 555
      - Immunoglobulins: 30911
        Antibodies: 135587
        Immunoglobulin Isotypes: 1094
        Immunoglobulin A: 19851
        Secretory Immunoglobulin A: 1594

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Disease

Drug/Important Bio-Agent (IBA)