This is a real-world medical entrance exam question, please give the true answer based on the question and selection. Topic name: None, Subject name: Ophthalmology
Most abundant type of Crystalline protein in Lens  is 
Select and explain. 
A. α Crystallin, B. β Crystallin, C. γ Crystallin, D. δ Crystallin
B: β Crystallin
Answer: B: β Crystallin 
Explanation: Among the Crystalline proteins, β Crystallin protein forms 55% of the total proteins.