heteroatom

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het·er·o·at·om

 (hĕt′ə-rō-ăt′əm)
n.
An atom other than carbon or hydrogen in the structure of an organic compound, especially in a heterocyclic compound.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

heteroatom

(ˈhɛtərəʊˌætəm)
n
(Chemistry) chem any atom in the ring of a cyclic compound that is not a carbon atom
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
Translations
Heteroatom
heteroatomi
헤테로원자
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References in periodicals archive ?
All bound water molecules, other hetero atoms and ligands were removed manually from the PDB file prior to docking.
1B illustrates the prepared structures of the protein after removal of hetero atoms, ligands and water molecules with a sphere around the active site.
Noncarbon atoms (aka hetero atoms) must be inserted into the proper positions in the skeleton, a process that is not error-free.