[gmx-users] Starting residue "XXX"in chain not identified as Protein/RNA/DNA.

Nikhil Maroli scinikhil at gmail.com
Tue May 3 12:53:40 CEST 2016

Answer is here itself

 Starting residue UN15 in chain not identified as
Protein/RNA/DNA.Warning: Starting residue UN17 in chain not identified as

check the chain UN17 and define what it is ,please check in the mailing 
list also ,there are lots of thread regarding this.

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