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