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Figure 2
Crystal structure of the uncharacterized protein NP_823353.1 with a bound UNL resembling phenylalanine. UNL (unidentified ligand) atoms are represented as red spheres enveloped by the electron-density mesh (2FoFc density contoured at 1σ level above the mean) and surrounded by the protein rendered in cartoon representation. Although the ligand looks like phenylalanine, it was annotated as a UNL since no definitive proof of its identity by other methods was available.

Journal logoSTRUCTURAL BIOLOGY
COMMUNICATIONS
ISSN: 2053-230X
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