A number of isoforms are produced. According to EST sequences. In stems, cauline leaves, roots and flowers. Low levels found in maturing seeds. Absent in dry seeds. By dehydration, cold stress and abscisic acid (ABA). Induction by dehydration occurs after 1 hour and increases to a maximum after 10 hours. Cold stress induction peaks at 1 hour and 5 hours after start of cold exposure. Belongs to the plant dehydrin family.