The domain within your query sequence starts at position 1478 and ends at position 1706; the E-value for the 3s3o domain shown below is 6e-8.

VVPRQLRRDLIFSVHDSPIGEHQGLEDTYKTVRLLGWWPGMQDHVRDYCRSCLFCIPRNL
IGGELKVIESPWPLRSTAPWSSLQIEVVGPVTVSEEGHKHVLIVADANTRWVEAFPLKPY
THVAVAQVLLQHVFARWGVPIRLEAAQGPQFARHVLVSCGLALGAQVTTLSRALQFPCLM
SSEAYWEFKRALKEFIFLYGKKWAASLPLLHLAFRASTTEATPFQVLTG

This is a PDB domain - please see the PDBSUM entry of 3s3o for further annotation