55391F714728BE00C2396A691CBEFFA5E4FB06CCAF36CC5C98727C9580D4B749A1781E9BEE5763D70221950EF153436A

Upon interaction with ABA, the 'latch' and 'gate' loops change in conformation leading to a tight dimerization and the creation a surface that enables the receptor to dock into and inhibit the PP2C active site (By similarity).

Source:http://purl.uniprot.org/SHA-384/55391F714728BE00C2396A691CBEFFA5E4FB06CCAF36CC5C98727C9580D4B749A1781E9BEE5763D70221950EF153436A