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Figure 3
Structure of S-adenosyl-S-carboxymethyl-L-homocysteine (SCM-SAH). The final coordinates are displayed with (a) the likelihood-weighted mFoDFc difference electron-density maps contoured at 3σ calculated prior to the modelling of SCM-SAH and (b) the 2mFoDFc electron-density maps contoured at 1.5σ. The SCM-SAH model is shown with C atoms in cyan, O atoms in red and N atoms in blue. C atoms of protein residues are shown in green.

Journal logoSTRUCTURAL
BIOLOGY
ISSN: 2059-7983
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