The domain within your query sequence starts at position 296 and ends at position 430; the E-value for the d1cx4a1 domain shown below is 3e-13.
KLKLEKVKHENAQKLKLIRKCPFYETWPTLSIWELVSICKFKNFPPGHVLVESGTVISFV GYINSGYCNIYRNVVGLVDLPINKVKKIKKLVYMGKLKEKESFGEISILLQAPFTCTVIT GQEVEMAVIEDKDIQ