Dear Sam I can only suggest trying the old trick of editing the pdb file and giving all the DNA bases the same residue number. As you are using the old gui you might be able to do the same with pdbset or pdbcur, or maybe a graphics program.
Cheers, Jon Cooper Sent from ProtonMail mobile -------- Original Message -------- On 20 Jan 2021, 13:27, Sam Tang wrote: > Dear community > > I ran PISA from CCP4i to analyze a protein-ssDNA complex with non-standard > modified nucleotides. It turns out that PISA identifies each nucleotide in > the DNA chain as a ligand (i.e. I have 7 DNA bases and PISA calls out 7 > ligands). May I solicit your experience if there is a way to force PISA to > recognize the DNA as one single ligand? Thanks a lot. > > Best regards > Sam > > --------------------------------------------------------------- > > To unsubscribe from the CCP4BB list, click the following link: > https://www.jiscmail.ac.uk/cgi-bin/WA-JISC.exe?SUBED1=CCP4BB&A=1 ######################################################################## To unsubscribe from the CCP4BB list, click the following link: https://www.jiscmail.ac.uk/cgi-bin/WA-JISC.exe?SUBED1=CCP4BB&A=1 This message was issued to members of www.jiscmail.ac.uk/CCP4BB, a mailing list hosted by www.jiscmail.ac.uk, terms & conditions are available at https://www.jiscmail.ac.uk/policyandsecurity/
