Are there plans to support 4-letter chain IDs, as defined by the current
xPDB/mmCIF specification?

-Spencer

On Tue, Sep 16, 2014 at 3:36 PM, Thomas Holder <
thomas.hol...@schrodinger.com> wrote:

> Hi Folmer and Yeping,
>
> to support upper and lower case letters, set this setting:
>
> PyMOL> set ignore_case, off
>
> Cheers,
>   Thomas
>
> On 16 Sep 2014, at 02:44, Folmer Fredslund <folm...@gmail.com> wrote:
> > Hi Yeping Sun,
> >
> > Did you solve your problem?
> >
> > According to http://www.wwpdb.org/procedure.html#toc_4
> > "
> > What is the maximum number of chain IDs in a file?
> >
> > Up to 62 chains can be included in the PDB entry. Upper case letters and
> numbers (0-9) should be used first for chain IDs. Lower case letters should
> be used only after all upper letters and numbers have been used. Symbols
> should never be used for chain IDs."
> >
> > you can use numbers and also small letters in the PDB file format.
> >
> >
> >
> > I don't know if PyMOL will let you do this, though.
> >
> > Regards,
> >
> > Folmer
> >
> >
> > 2014-09-02 10:41 GMT+02:00 sunyeping <sunyep...@aliyun.com>:
> > I have a protein which contains 32 chains. By using A-Z can only name 26
> chains. Can I use expression containing two character such as A1, AB, etc.
> to as chain id? Will this change the format of the pdb files?
> >
> > Yeping Sun
> >
> > Institute of Microbiology, Chinese Academy of Sciences
> >
> > --
> > Folmer Fredslund
>
> --
> Thomas Holder
> PyMOL Developer
> Schrödinger, Inc.
>
>
>
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