2024-12-04 : 18683 3D structures containing nucleic acids | RNAEQ v3.364all
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Modified Nucleotides with Mappings to Standard DNA and RNA Residues

The table below shows each of the non-standard residues found in nucleic acids present in the PDB alongside the closest Parent standard nucleotide, as of July 2024. The table can be filtered by Parent NT, by modification location (base, sugar, and/or phosphate), by chirality change present (e.g., base, 2'OH, 3'OH or 5'C position change from below/above sugar ring, or phosphate location change), and by designation of full racemate of the Parent. Click on the non-standard nucleotide PDB chemical component dictionary id (_ccdid_) to view its full description at RCSB.org. Turn on atom mapping details to see change details in terms of atom additions, deletions, and substitutions. View/Download raw data file (json). Comments/Questions/Corrections? -- please let us know at help@nakb.org.

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