The domain within your query sequence starts at position 18 and ends at position 171; the E-value for the d1tbga_ domain shown below is 6e-8.
FNQDHGCFACGMENGFRVYNTDPLKEKEKQVMIWDDLKKKTVIEIEFSTEVKAVKLRRDR IVVVLDSMIKVFTFTHNPHQLHVFETCYNPKGLCVLCPNSNNSLLAFPGTHTGHVQLVDL ASTEKPPVDIPAHEGVLSCIALNLQGTRIATASE