6g21 is a 2 chain structure with sequence from Aspergillus oryzae RIB40. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
FAEB2_ASPOR Involved in degradation of plant cell walls. Hydrolyzes of the feruloyl-arabinose ester bond in arabinoxylans as well as the feruloyl-galactose and feruloyl-arabinose ester bonds in pectin (By similarity).