8q4h is a 4 chain structure with sequence from Desulfitobacterium hafniense TCE1. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
PCEA2_DESHA Catalyzes the reductive dechlorination of tetrachloroethene (PCE) to trichloroethene (TCE) and of trichloroethene to cis-1,2-dichloroethene (DCE).[UniProtKB:Q848J2]