With no explanation, label each line with "O", "other-biologything", "art-broadcastprogram", "art-film", "art-music", "art-other", "art-painting", "art-writtenart", "building-airport" or "building-hospital" preceded by ":".
The
activation
of
mTOR
by
leucine
is
mediated
through
Rag
GTPases
,
leucine
binding
to
leucyl-tRNA
synthetase
,
leucine
binding
to
sestrin
2
,
and
possibly
other
mechanisms
.
The:O
activation:O
of:O
mTOR:other-biologything
by:O
leucine:other-biologything
is:O
mediated:O
through:O
Rag:other-biologything
GTPases:other-biologything
,:O
leucine:O
binding:O
to:O
leucyl-tRNA:other-biologything
synthetase:O
,:O
leucine:O
binding:O
to:O
sestrin:other-biologything
2:other-biologything
,:O
and:O
possibly:O
other:O
mechanisms:O
.:O