The domain within your query sequence starts at position 16 and ends at position 522; the E-value for the 4mzy domain shown below is 2e-70.

LLTDLYQATMALGYWRAGRACEAAEFELFFRHCPFGGSFALSAGLQDCMRFLRAFRLRDA
DVQFLASVLPPDTDPAFFEHLRALDCSGVTVRALPEGSLAFPGVPLLQVSGPLLLVQLLE
TPLLCLVSYASLVATNAARLRLIAGPDKKLLEMGLRRAQGPDGGFTASIYSYLGGFDSSS
NTLAGQLRGVPVAGTLAHSFVTSFSGSEVPPDPMLAPASSEGPTVDLPARVNLWLKRVCL
YLGLEEQEPHPGERAAFVAYALAFPRAFQGLLDSYSVRRSGLPNFLAVALALGELGYRAV
GVRLDSGDLLQQAKEIRGIFRTAGAQFQMPWLESVPIAVSNNIDESELMRLAQKGSEVNV
IGIGTSVVTCPKQPSMGCVYKLVSVGGQPRIKLTEDPEKQTLPGSKAAFRFLGPDGSLLL
DLLQLAEEPPPKAGQELRVWPRGTQEPCTVKPAQVEPLLRLYLQQGQLCEPLPSLDESRR
FAQQSLSLLRPAHKQLQSPAVYPVALS

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