EXPA16 EXP16 Alpha-expansin-16 MAINPLILLTIFPLFLLLSFTDAGIPRVFSGGSWQTAHATFYGGNDASGTMGGACGYGNLYSQGYGTNTAALSTSLFNSGQSCGACFEIKCVNDPKWCHPGNPSVFVTATNFCPPNLAQPSDNGGWCNPPRSHFDLAMPVFLKIAEYRAGIVPISYRRVACRKSGGIRFTINGHRYFNLVLITNVAGAGDIARTSVKGSKTGWMSLTRNWGQNWQSNAVLVGQSLSFRVTSSDRRTSTSWNIAPSNWQFGQTFVGKNFRV T22E16.160 Expansin-A16 260 EXP16_ARATH At3g55500 Ath-ExpAlpha-1.7 Causes loosening and extension of plant cell walls by disrupting non-covalent bonding between cellulose microfibrils and matrix glucans. No enzymatic activity has been found (By similarity).