+
+
+
+
+
+
+ Command Reference
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ Ready
+ Ln 1, Col 1
+ 0 lines
+ CPPTRAJ SCRIPT
+
+
+
+ Output Terminal
+ ● IDLE
+
+
+ CpptrajGPT — Molecular Dynamics Analysis Studio
+ Upload topology + trajectory files, write your script, click ▶ Run.
+ Use ⚙ in the header to set your Anthropic API key for the AI Agent.
+ ─────────────────────────────────────────────────────────
+ $
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+
+ Project Files
+
+
+
+
+
+ Drop topology (.prmtop) &
trajectory (.nc, .dcd, .xtc) here
+ trajectory (.nc, .dcd, .xtc) here
+ Test Data
+ ready to use
+
+
+
+
+
+ Solvated protein · 30070 atoms · 9157 res · 10 frames · AMBER NetCDF
+
+
+
+
+
+
+ Mask Cheat Sheet
+
+
+
+
+ :1Residue 1
+ :1-100Residues 1–100
+ :ALAAll alanines
+ @CAAll Cα atoms
+ @CA,C,N,OBackbone atoms
+ !:WATExclude water
+ :1-50&@CACα of res 1–50
+ :LIG<:5.0Within 5 Å of LIG
+ @/CAll carbons
+