The domain within your query sequence starts at position 53 and ends at position 259; the E-value for the 4gs7 domain shown below is 5e-6.

QKAGAFTCLSNSIYRIDCHWSAPELGQESRAWLLFTSNQVTEIKHKCTFWDSMCTLVLPK
EEVFLPFDNFTITLHRCIMGQEQVSLVDSQYLPRRHIKLDPPSDLQSNVSSGRCVLTWGI
NLALEPLITSLSYELAFKRQEEAWEQARHKDRIVGVTWLILEAVELNPGSIYEARLRVQM
TLESYEDKTEGEYYKSHWSEWSQPVSF

This is a PDB domain - please see the PDBSUM entry of 4gs7 for further annotation