similar to CBS domain-containing protein-related [Arabidopsis thaliana] (TAIR:AT4G14230.1); similar to unnamed protein product [Vitis vinifera] (GB:CAO71090.1); contains InterPro domain Cystathionine beta-synthase, core (InterPro:IPR000644); contains InterPro domain Protein of unknown function DUF21 (InterPro:IPR002550)