Tim wrote:

> can someone duplicate/explain this?  (using the latest CVS build of Jmol
> on OSX.)
>
> launch Jmol.
> load samples/1LCD.
> open the script window.
> enter the following commands:
>
>    set boundbox 0.2
>    color boundbox gold
>    set axes 0.1
>    color axes dodgerblue
>    set unitcell 1.0
>    color unitcell green
>    restrict none
>
> OMM the unitcell is at the axes origin (I couldn't see it until I
> performed the restrict command).  is this a bug, or...

It *is* a bug ... a data quality bug in the PDB data :-(

The relevant records in the .pdb file are:
CRYST1    1.000    1.000    1.000  90.00  90.00  90.00 P 1
ORIGX1      1.000000  0.000000  0.000000        0.00000
ORIGX2      0.000000  1.000000  0.000000        0.00000
ORIGX3      0.000000  0.000000  1.000000        0.00000
SCALE1      1.000000  0.000000  0.000000        0.00000
SCALE2      0.000000  1.000000  0.000000        0.00000
SCALE3      0.000000  0.000000  1.000000        0.00000


That is a lot of 1.0 values.

and the ones in the cryst1 record are showing the length of the legs of
the unitcell cage in angstroms ... 1.0 angstroms :-(


Miguel





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