<s>
Docking	B-Operating_System
@Home	I-Operating_System
was	O
a	O
volunteer	B-Operating_System
computing	I-Operating_System
project	O
hosted	O
by	O
the	O
University	O
of	O
Delaware	O
and	O
running	O
on	O
the	O
Berkeley	B-Operating_System
Open	I-Operating_System
Infrastructure	I-Operating_System
for	I-Operating_System
Network	I-Operating_System
Computing	I-Operating_System
(	O
BOINC	B-Operating_System
)	O
software	O
platform	O
.	O
</s>
<s>
It	O
models	O
protein-ligand	O
docking	O
using	O
the	O
CHARMM	B-Application
program	O
.	O
</s>
<s>
Volunteer	B-Operating_System
computing	I-Operating_System
allows	O
an	O
extensive	O
search	O
of	O
protein-ligand	O
docking	O
conformations	O
and	O
selection	O
of	O
near-native	O
ligand	O
conformations	O
are	O
achieved	O
by	O
using	O
ligand	O
based	O
hierarchical	O
clustering	O
.	O
</s>
