As nouns the difference between globulin and crystallin
is that globulin is globulin while crystallin is (protein) a globulin found in the lens of the eye.
globulin
English
Noun
(
en noun)
(protein) Any of a group of simple proteins, soluble in water only in the presence of salts, that are coagulated by heat; one of the two parts of haemoglobin.
References
*OED2