Re: [modeller_usage] Error in multichain modeller

On 6/19/22 8:04 AM, Zara Saeed via modeller_usage wrote: > I am using the following python file for multichain modelling. I am > sending you my script, structure file and alignment file in the > attachment. When I run this script it gives the following error. > * > raise KeyError("No such chain: %s" % indx)* > *KeyError: 'No such chain: F'*

See https://salilab.org/modeller/10.2/manual/node30.html

Your target sequence contains only two chains (you have a single chain break) so Modeller will label them A and B, not F.

Ben Webb, Modeller Caretaker