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Non-Standard Residue

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Revision as of 15:35, 5 June 2008 by Eric Martz (Talk | contribs)
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Any residue not included in the list of Standard Residues is considered Non-Standard.

Examples:

  • SEP and TPO in 1bkx
  • 1MA, 2MG, 5MC, 5MU, 7MG, H2U, M2G, OMC, OMG, PSU, and YG in 1evv
  • MSE in 2ab5

Note: the former scheme of designating modified standard nucleotides with plus signs (+A, +C, +G, +I, +T, +U) was discontinued in the PDB remediation project, effective August 1, 2007.

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