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  Thu Aug  6 11:54:03 2026
REMARK 250 Fixed atoms/residues:
REMARK 250  - add OP3 at the beginning of the chain  in chain: A <Residue U het=  resseq=1 icode= > residue # 1
ATOM      1  P     U A   1       0.583   1.077   0.425  1.00 11.89           P  
ATOM      2  OP1   U A   1       0.135   1.939  -0.695  1.00 14.35           O  
ATOM      3  OP2   U A   1       0.055  -0.289   0.575  1.00 12.68           O  
ATOM      4  O5'   U A   1       2.165   0.939   0.435  1.00 10.34           O  
DONE!