[chimerax-users] alphafold predict multiuser syntax

[Jerry Honts]

I am trying to use the AlphaFold predict multimer function in ChimeraX 1.3 with this syntax like (comma-separated pasted sequences):

alphafold predict MPEHPIQLASSNQVVSQILTTTQGSPTRQSKTFVYRSE,MSESPIRSSQYGKHVVNVSHIEKGQAPIYVSQSTVQNPIYVEKIVKVESSNT

But I keep getting an error:

Missing or invalid "sequence" argument: Sequences argument "MPEHPIQLASSNQVVSQILTTTQGSPTRQSKTFVYRSE,MSESPIRSSQYGKHVVNVSHIEKGQAPIYVSQSTVQNPIYVEKIVKVESSNT” is not a chain specifier, alignment id, UniProt id, or sequence characters

I think I am following the syntax given in the online help file, but can you suggest a reason for this error?  Single chain predictions have been working fine with pasted sequences.

Thanks,

Jerry E. Honts
Drake University
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