The domain within your query sequence starts at position 1125 and ends at position 1276; the E-value for the 3kta domain shown below is 3e-30.

LRKQRLNEFMAGFYVITNKLKENYQMLTLGGDAELELVDSLDPFSEGIMFSVRPPKKSWK
KIFNLSGGEKTLSSLALVFALHHYKPTPLYFMDEIDAALDFKNVSIVAFYIYEQTKNAQF
IIISLRNNMFEISDRLIGIYKTYNSTKSVAVN

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