i'm trying to do secondary structure analysis
my input file is:
trajin md20.mdcrd
secstruct out md20.ss time 0.2 :1-20
the output is:
\-/  
  -/-   PTRAJ: a utility for processing trajectory files
  /-\  
  \-/   Version: "AMBER 11.0 integrated" (4/2010)
  -/-   Executable is: "ptraj"
  /-\   Running on 1 processor(s)
  \-/   Residue labels:
 ASN  LEU  TYR  ILE  GLN  TRP  LEU  LYS  ASP  GLY 
 GLY  PRO  SER  SER  GLY  ARG  PRO  PRO  PRO  SER 
 Cl-  WAT  WAT  WAT  WAT  WAT  WAT  WAT  WAT  WAT 
 WAT  WAT  WAT  WAT  WAT  WAT  WAT  WAT  WAT  WAT 
 ...
 WAT  WAT  WAT  WAT  WAT  WAT  WAT 
 Setting box to be an exact truncated octahedron, angle is 109.471221
PTRAJ: Processing input from "STDIN" ...
PTRAJ: trajin m19.mdcrd
  Checking coordinates: m19.mdcrd
    Could not process trajectory m19.mdcrd
PTRAJ: secstruct out md19.ss :1-20 time 0.2
Mask [:1-20] represents 304 atoms
WARNING in ptraj(): No input trajectories specified (trajin), aborting...
can anybody help me how to do secstruct analysis?
_______________________________________________
AMBER mailing list
AMBER.ambermd.org
http://lists.ambermd.org/mailman/listinfo/amber
Received on Tue Jun 14 2011 - 00:30:04 PDT