The domain within your query sequence starts at position 1 and ends at position 220; the E-value for the 4bl7 domain shown below is 1e-118.
MRLFVSEGSPGSLPVLAAAARARGRAELLISTVGPEECVVPFLTRPKVPVLQLDSGNYLF SASAICRYFFLLCGWEQDDLTNQWLEWEATELQPVLSAALHCLVVQGKKGEDILGPLRRV LTHIDHSLSRQNCPFLAGDTESLADIVLWGALYPLLQDPAYLPEELGALQSWFQTLSTQE PCQRAAETVLKQQGVLALRLYLQKQPQPQPPPPEGRTVSN