5u7c is a 2 chain structure with sequence from Escherichia coli. Full crystallographic information is available from OCA. For a guided tour on the structure components use FirstGlance.
MERB_ECOLX Cleaves the carbon-mercury bond of organomercurials such as phenylmercuric acetate. One product is Hg(2+), which is subsequently detoxified by the mercuric reductase (By similarity).