서주현 wrote: > I have tried to incorporate hetero atom (in this case PLP) in my model > and I tried various method in manual and mailing list. But my model did > not include the hetero atom.

You have aligned a gap in your target sequence with the hetatm in your template. Use a BLK residue in both the template and the target to copy the hetatm into the model.

Ben Webb, Modeller Caretaker