The domain within your query sequence starts at position 1 and ends at position 138; the E-value for the 3cou domain shown below is 8e-49.
MATPTKIDLEDALALGPSWRHLCHVMLYAPDPGVLFGGRILLNYAVLMSMRFDGRLGFPG GFVDDRSPSLEEGLNKELLKKLGEGVSTFSILSTDYRSSLAESKSKVVAHFYVKCLTLEQ LQAVEAGAPQAKDHGLEV