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A. Classification of proteins based on their solubility. According to this proteins are
classified into
a. Albumins.
b. Globulins.
c. Glutelins.
d. Protamins.
e. Histones.
f. Prolamines.
g. Sclero proteins.
a. Albumins:Are those proteins that are soluble in water as well as salt solutions. Egg albumin, plasma albumin and lactalbumin are examples.
b. Globulins: Are proteins weakly soluble in water but soluble in salt solutions.
Ovoglobulins, plasma globulin and lactoglobulins are examples.
c. Glutelins: Are proteins soluble in mild acids and alkalis. zein, glutenin and oryzenin are examples.
d. Protamines: Are proteins soluble in water and ammonia. Fish proteins like salmine and sturine are examples.
e. Histones: Are those proteins which are soluble in water and dilute acids. Histones present in chromosomes are examples.
f. Prolamines:Are proteins insoluble in water and alcohol but soluble in dilute alcohol.
Plant proteins zein and gliadin are examples.
g. Sclero Proteins: Are proteins insoluble in water, acids and alkalis. Animal proteins keratin, elastin and collagen are examples.
Anganifelix answered the question on May 10, 2018 at 18:19
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