Immunodeficiency 54, also known as primary immunodeficiency with natural-killer cell deficiency and adrenal insufficiency, is related to nk cell deficiency and apocrine adenoma. An important gene associated with Immunodeficiency 54 is MCM4 (Minichromosome Maintenance Complex Component 4), and among its related pathways/superpathways are Sertoli-Sertoli Cell Junction Dynamics and Autophagy pathway. Affiliated tissues include nk cells and lung, and related phenotypes are respiratory insufficiency and respiratory failure