The domain within your query sequence starts at position 3 and ends at position 205; the E-value for the 4exv domain shown below is 9e-16.

LLPCNPHGNGLLYAGFNQDHGCFACGMENGFRVYNTDPLKEKEKQEFLEGGVGHVEMLFR
CNYLALVGGGKKPKYPPNKVMIWDDLKKKTVIEIEFSTEVKAVKLRRDRIVVVLDSMIKV
FTFTHNPHQLHVFETCYNPKGLCVLCPNSNNSLLAFPGTHTGHVQLVDLASTEKPPVDIP
AHEGVLSCIALNLQGTRIATASE

This is a PDB domain - please see the PDBSUM entry of 4exv for further annotation