3r31 is a 2 chain structure with sequence from Agrfc. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
[BETB_AGRT5] Involved in the biosynthesis of the osmoprotectant glycine betaine. Catalyzes the reversible oxidation of betaine aldehyde to the corresponding acid.[HAMAP-Rule:MF_00804]