<s>
SHIFTCOR	B-Application
(	O
Shift	O
Correction	O
)	O
is	O
a	O
freely	O
available	O
web	O
server	O
as	O
well	O
as	O
a	O
stand-alone	O
computer	O
program	O
for	O
protein	B-Application
chemical	I-Application
shift	I-Application
re-referencing	I-Application
.	O
</s>
<s>
The	O
SHIFTCOR	B-Application
program	O
was	O
designed	O
to	O
assist	O
with	O
identifying	O
and	O
fixing	O
these	O
chemical	O
shift	O
referencing	O
problems	O
.	O
</s>
<s>
The	O
SHIFTCOR	B-Application
program	O
was	O
originally	O
used	O
to	O
construct	O
a	O
database	O
of	O
properly	O
re-referenced	O
protein	O
chemical	O
shift	O
assignments	O
called	O
RefDB	B-Application
.	O
</s>
<s>
RefDB	B-Application
is	O
a	O
web-accessible	O
database	O
of	O
more	O
than	O
2000	O
correctly	O
referenced	O
protein	O
chemical	O
shift	O
assignments	O
.	O
</s>
<s>
While	O
originally	O
available	O
as	O
a	O
stand-alone	O
program	O
only	O
,	O
SHIFTCOR	B-Application
has	O
since	O
been	O
released	O
for	O
general	O
use	O
as	O
a	O
web	O
server	O
.	O
</s>
