Hi
So this is a question of file format.
PDB file format specification has not any hint of columns 72-75 or the segID
field, either in the current Version 3.3: July, 2011 / Nov. 21, 2012
http://www.wwpdb.org/documentation/format33/sect9.html#ATOM
or in the oldest referenced in wwPDB, Version 2.3, July 9, 1998
http://www.wwpdb.org/documentation/format23/sect9.html#ATOM
So that's really going waaaay far in history :)
You issue is then of a nonstandard format, I'd say.
Not sure how reasonable it is to implement this, but it can probably be easy a
new file reader for that (not that I can do it) -- one additional problem would
be how to differentiate whether files are true pdb or "special" pdb. One would
have to use the forced syntax,
load "filetype::filename"
If you have someone that can program Java, as an example there is PQR
format which is an extension of the PDB format and could be used as a
guide
http://jmol.svn.sourceforge.net/viewvc/jmol/trunk/Jmol/src/org/jmol/adapter/re
aders/more/PqrReader.java?revision=17863&view=markup
http://jmol.svn.sourceforge.net/viewvc/jmol/trunk/Jmol/src/org/jmol/adapter/re
aders/cifpdb/PdbReader.java?revision=17863&view=markup
> Much application software today incorporates the use of the segid keyword
I find that rather odd. Where do the values of segid come from? Certainly not
from experimental data deposited in PDB.
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