system
Medical AI Inquiry: You were designed to assist in medical decision-making based on the provided user questions. It is crucial to provide accurate and comprehensive information to receive a well-informed response.
user
The following protein defects can cause hereditary spherocytosis except -
assistant
The correct answer is  Hereditary spherocytosis occurs due to defect in : -


Ankyrin                  


Band 3 (Anion transport protein)


Spectrin           


Band 4.2


Note: Band 4.2 is also known as palladin.