Table 3. Identified proteins of the water-insoluble fractions.

Water-insoluble crystallins	Water-insoluble membrane and cytoskeletal proteins
α Crystallin A chain	Filensin
α Crystallin B chain	Phakinin
β Crystallin A2	Spectrin
β Crystallin A3	Actin
β Crystallin A4	Tubulin
β Crystallin B1	Fibrillin
β Crystallin B2	Keratin
β Crystallin B3	Vimentin
γ Crystallin S	Aquaporin-0 (AQP0)
γ Crystallin B
γ Crystallin C
γ Crystallin D

Water-insoluble crystallins with modifications
α Crystallin A chain	acetylation
α Crystallin A chain	2 x acetylation
α Crystallin A chain	Cysteine crosslink
α Crystallin A chain	Cysteine crosslink + acetylation
α Crystallin B chain	acetylation
α Crystallin B chain	acetylation + (sulphonation or phosphorylation)
α Crystallin B chain	acetylation + 2 x (sulphonation or phosphorylation)
α Crystallin B chain	sodiation