Hi,

I noticed that in the PDB file of PDB entry '1AMR' there are overlaps
between different secondary structure record types, e.g.:

  HELIX   13  HM PHE A  352  LYS A  355  1
  TURN    16 T16 ILE A 353  GLN A 356     TYPE I

This was quite unexpected and I searched for such overlaps in all
remediated PDB format files of the PDB. My script detected overlaps in
2032 entries. A text file containing the PDB codes and the corresponding
number of overlapping residues is (temporarily) available at this URL:

http://www.fli-leibniz.de/~rhuehne/jmol/analyze_sec_struct-2008_02_26b-overlap.txt

(Note: The numbers are not always correct because for simplification and
speed-up I didn't took into account numbering irregularities in the
non-border residues of an element, like insertion codes or nice residue
number sequences like "28,328,29" in entry '1BLB'.)

The full logfile is (temporarily) available at this URL:

http://www.fli-leibniz.de/~rhuehne/jmol/analyze_sec_struct-2008_02_26b-log.txt

Q: Are the Jmol developers aware of this problem?

Q: How is or should this be handled by Jmol?

Regards,
Rolf

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