Standard Residues: Difference between revisions

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* The 20 standard amino acids, plus ambiguous residue codes ASX, GLX, and undetermined UNK.
* The 20 standard amino acids, plus ambiguous residue codes ASX, GLX, and undetermined UNK.
* Six standard nucleotides A, C, G, I, T, U plus UNK. (The PDB file format residue codes make no distinction between ribo- and deoxyribonucleotides.)
* Twelve standard nucleotides A, C, G, I, T, U, DA, DC, DG, DI, DT, and DU plus UNK.  


Note: the distinction between ribonucleotides (A, C, G, T, U) and deoxyribonucleotides (DA, DC, DG, DT, DU) was first made when the PDB was remediated, effective August 1, 2007.
Note: the distinction between ribonucleotides (A, C, G, T, U) and deoxyribonucleotides (DA, DC, DG, DT, DU) was first made when the PDB was remediated, effective August 1, 2007.