Definition: One of the subunits of alpha-crystallins. Unlike ALPHA-CRYSTALLIN B CHAIN the expression of ALPHA-CRYSTALLIN A CHAIN is limited primarily to the lens (LENS, CRYSTALLINE).
Other names alpha Crystallin, A Subunit; alpha Crystallin A Chain; alpha A Crystallin; alpha-Crystallin, A Subunit; alpha A-Crystallin; Crystallins, alpha A Chain