shahid nayeem wrote:
Hi
No i dont have any capping group

Then I have no idea what's going on. The only data that present a problem are in the very first frame, indicating that the HEBT+coil content totals 80 residues. All the other frames look fine. It could be that the algorithm is detecting different structural features for the same residue (i.e., they are somewhat ambiguous), but I have never heard of such an issue.

-Justin

shahid Nayeem

On 5/24/10, *Justin A. Lemkul* <jalem...@vt.edu <mailto:jalem...@vt.edu>> wrote:



    shahid nayeem wrote:

        Hi Justin
        I choose group 5 main chain for dssp calculation


    Do you have any capping groups (N-acetyl, C-amine, etc)?

    -Justin

        Shahid Nayeem


         On 5/24/10, *Justin A. Lemkul* <jalem...@vt.edu
        <mailto:jalem...@vt.edu> <mailto:jalem...@vt.edu
        <mailto:jalem...@vt.edu>>> wrote:



           shahid nayeem wrote:

               Dear All
               I did 10ns simulation of three peptide residue solvated in
               water. Each peptide residue is 26 residue long. In final .gro
               file it is showing total 78 residue which is O.K. as 3x26=78.
               For inserting three similar peptide I used genconf
        command. when
               I run dssp I get total residue as 80. The command for dssp is
               do_dssp -f  .xtc -s .tpr -o ss.xpm -sc scount.xvg. Part
        of the
               output of dssp run is as follows.


           When prompted, what group did you choose for the analysis?

           -Justin


               @ s0 legend "Structure"

@ s1 legend "Coil"

@ s2 legend "B-Sheet"

@ s3 legend "B-Bridge"

@ s4 legend "Bend"

@ s5 legend "Turn"

@ s6 legend "A-Helix"

@ s7 legend "5-Helix"

@ s8 legend "3-Helix"

0 46 24 0 0 7 10 36 0 3

                    10    39    26     0     0    15     4    35     0     0

                    20    37    29     0     0    11     4    33     0     3

                    30    37    32     0     0    11     2    35     0     0

                    40    36    31     0     0    10     6    30     0     3

                    50    41    30     0     0     9    10    31     0     0

               Please suggest why I am not getting the actual number of
        residue
               in dssp file.
               When I follow the same procedure for full protein molecule
               simulation I get the same number of residue in dssp output as
               well as final.gro file
               shahid nayeem


           --     ========================================

           Justin A. Lemkul
           Ph.D. Candidate
           ICTAS Doctoral Scholar
           MILES-IGERT Trainee
           Department of Biochemistry
           Virginia Tech
           Blacksburg, VA
           jalemkul[at]vt.edu <http://vt.edu/> <http://vt.edu/> | (540)
        231-9080
           http://www.bevanlab.biochem.vt.edu/Pages/Personal/justin

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-- ========================================

    Justin A. Lemkul
    Ph.D. Candidate
    ICTAS Doctoral Scholar
    MILES-IGERT Trainee
    Department of Biochemistry
    Virginia Tech
    Blacksburg, VA
    jalemkul[at]vt.edu <http://vt.edu/> | (540) 231-9080
    http://www.bevanlab.biochem.vt.edu/Pages/Personal/justin

    ========================================
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--
========================================

Justin A. Lemkul
Ph.D. Candidate
ICTAS Doctoral Scholar
MILES-IGERT Trainee
Department of Biochemistry
Virginia Tech
Blacksburg, VA
jalemkul[at]vt.edu | (540) 231-9080
http://www.bevanlab.biochem.vt.edu/Pages/Personal/justin

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