tubulins purified from brain tissue of antarctic fishes assemble in vitro to form microtubules at the low temperatures experienced by these extreme psychrophiles ( williams , r. c. , jr. , correia , j. j. , and devries , a. l. ( 1985 ) biochemistry 24 , 2790-2798 ) .
C0041348
tubulins
C0026046
microtubules