The domain within your query sequence starts at position 2 and ends at position 311; the E-value for the d2ptd__ domain shown below is 2e-62.

ASSQGKNELKFADWMATLPESIHSIPLTNLAIPGSHDSFSFYIDEASPVGPEQPETVQNF
VSVFGTVAKKLMRKWLATQTMSFTGQLGAGIRYFDLRISTKPRDPDNELYFAHGLFSAKV
NEGLEEINAFLTDHHKEVVFLDFNHFYGMQKYHHEKLVQMLKDIYGNKMCPAIFAQEVSL
KYLWEKDYQVLVFYHSPVALEVPFLWPGQMMPAPWANTTDPEKLIQFLQASITERRKKGS
FFISQVVLTPKASTVVKGVASGLRETITERALPAMMQWIRTQKPGESGINIVTADFVELG
DFISTVIKLN

This is a SCOP domain - please see the SCOP entry of d2ptd__ for further annotation