Dear all,
i want to calculate the native contacts in my protein by using ptraj
contacts command. i am little confused when looking in the output.  for
example i calculate the contact for mask 1-5 residue and  the output was
like this
#time    residue 0    residue 1    residue 2    residue 3    residue 4
      1.00    495    778    972    689    69226
      2.00    454    775    885    673    64727
      3.00    475    758    976    683    70428
      4.00    459    767    952    701    70526
      5.00    479    789    932    700    67426
*why is the last column showing very big number which is definitely not
possible in case of my protein?*
when i run for the residue 1 to 6, the result was
#time    residue 0    residue 1    residue 2    residue 3    residue 4
residue 5
      1.00    495    778    981    872    867    88931
      2.00    454    775    893    869    829    91231
      3.00    475    758    988    859    893    90129
      4.00    459    767    957    855    900    88428
      5.00    479    790    939    903    870    93730
This time the residue 4 looks reasonable but again last resid have large
number. and *Why there is inconsistancies in the number of native contacts
even for residue 3 although i submitted same snapshots with same cutoff?
Please clarify me.*
Thank you in advance
Regards,
Rajeswari A
Computational biophysics lab,
IIT Madras
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Received on Sat Jan 21 2012 - 04:30:04 PST