[phenixbb] Residue number error after autoMR or PhaserMR
Randy J. Read
rjr27 at cam.ac.uk
Sat Apr 23 04:24:17 PDT 2011
I just realised that I hadn't reported the outcome to the BB. There was a
bug in the format used to write PDB files in Phaser. Airlie McCoy fixed it
on Thursday, so nightly builds since then will not have this error.
On Apr 20 2011, Nathaniel Echols wrote:
> On Wed, Apr 20, 2011 at 11:45 AM, Edward A. Berry <BerryE at upstate.edu>
>> There was discussion a few years back about an extended pdb format in
>> which the fourth digit would go not just 0-9 but
>> 0123456789ZBCDE...XYZabcdefghijkl....z (and the other digits would also
>> if the fourth digit was greater than 9) So maybe the code that handles
>> that isn't kicking in where it should?
>This is Ralf's "hybrid36" format. I think Phaser will use that
>encoding for atom records, but not residues. In any case, using the
>hybrid36 format is unnecessary in this case, since the residue number
>field is officially (according to the PDB) four characters long.
>> The folks who want to deposit structures of whole bacteria will have to
>> wait a little longer.
>The PDB won't even handle ribosome structures without splitting them
>into multiple files, so this has been a problem for at least a decade.
> (Phenix does not have this limitation, of course, nor do Coot,
>Refmac, or CNS, as far as I know.) Residue numbers are less likely to
>overrun the official format, but I think there are structures for
>fragments of proteins where the actual residue numbering starts above
>9999. I'm not sure what the PDB does to these.
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