==> seq3_squarna_kons_rpr.pdb <==
REMARK 250 Model edited with rna-tools
REMARK 250  ver 3.8.13.1+39.gca2dada6.dirty 
REMARK 250  https://github.com/mmagnus/rna-tools 
REMARK 250  Fri Jan 16 21:13:27 2026
REMARK 250 Fixed atoms/residues:
REMARK 250  - add OP3 at the beginning of the chain  in chain: A <Residue C het=  resseq=1 icode= > residue # 1
ATOM      1  P     C A   1      -0.789  -0.605  -2.307  1.00 11.89           P  
ATOM      2  OP1   C A   1       0.087  -1.445  -3.160  1.00 14.35           O  
ATOM      3  OP2   C A   1      -2.250  -0.775  -2.341  1.00 12.68           O  
ATOM      4  O5'   C A   1      -0.368  -0.720  -0.780  1.00 10.34           O  

==> seq3_squarna_kons_rpr_rpr.pdb <==
REMARK 250 Model edited with rna-tools
REMARK 250  ver 3.8.13.1+39.gca2dada6.dirty 
REMARK 250  https://github.com/mmagnus/rna-tools 
REMARK 250  Fri Jan 16 21:13:28 2026
ATOM      1  P     C A   1      -0.789  -0.605  -2.307  1.00 11.89           P  
ATOM      2  OP1   C A   1       0.087  -1.445  -3.160  1.00 14.35           O  
ATOM      3  OP2   C A   1      -2.250  -0.775  -2.341  1.00 12.68           O  
ATOM      4  O5'   C A   1      -0.368  -0.720  -0.780  1.00 10.34           O  
ATOM      5  C5'   C A   1       1.042  -0.558  -0.402  1.00  0.00           C  
ATOM      6  C4'   C A   1       1.108  -0.598   1.107  1.00  0.00           C  
DONE!