/usr/share/doc/t-coffee-examples/template_file.template is in t-coffee-examples 8.99-1.
This file is owned by root:root, with mode 0o644.
The actual contents of the file can be viewed below.
1 2 3 | >seq_1cms _P_ 1cms
>seq_4ape _P_ 4ape
>seq_3app _P_ 3app
|