The domain within your query sequence starts at position 648 and ends at position 901; the E-value for the 4cr4 domain shown below is 1e-50.

AVLGIALTALGEEIGAEMALRTFGHLLRYGEPTLCRAVPLALALTSVSNPRLNILDTLSK
FSHDADPEVSYNSIFAMSMVGRGTNNARLAAMLRQLAQHHAKDPNNLFMVRLAQGLTHLG
KGTLTLCPYHTDRQLMSQVAVAGLLTVLVSFLDVRNIILGKSHYVLYRLVAAMQPRMLVT
FDEELRPLPVSVRVGQAVDVVGQAGKPKTITGFQTHTMSVLLAQGERAELATEEFLPVTS
ILEGFVILRKNPNY

This is a PDB domain - please see the PDBSUM entry of 4cr4 for further annotation