Putative methylesterase. Belongs to the AB hydrolase superfamily. Methylesterase family. Was originally thought to correspond to two different genes At4g09900 and At4g09910. Was originally thought to correspond to two different genes At4g09900 and At4g09910. Was originally thought to correspond to two different genes At4g09900 and At4g09910. Was originally thought to correspond to two different genes At4g09900 and At4g09910.