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The preferred conformation of dipeptides in the context of biosynthesis

Bywater, Robert P. and Veryazov, Valera LU orcid (2013) In Naturwissenschaften 100(9). p.853-859
Abstract
Globular proteins are folded polypeptide structures comprising stretches of secondary structures (helical (alpha- or 3(10) helix type), polyproline helix or beta-strands) interspersed by regions of less well-ordered structure ("random coil"). Protein fold prediction is a very active field impacting inte alia on protein engineering and misfolding studies. Apart from the many studies of protein refolding from the denatured state, there has been considerable interest in studying the initial formation of peptides during biosynthesis, when there are at the outset only a few residues in the emerging polypeptide. Although there have been many studies employing quantum chemical methods of the conformation of dipeptides, these have mostly been... (More)
Globular proteins are folded polypeptide structures comprising stretches of secondary structures (helical (alpha- or 3(10) helix type), polyproline helix or beta-strands) interspersed by regions of less well-ordered structure ("random coil"). Protein fold prediction is a very active field impacting inte alia on protein engineering and misfolding studies. Apart from the many studies of protein refolding from the denatured state, there has been considerable interest in studying the initial formation of peptides during biosynthesis, when there are at the outset only a few residues in the emerging polypeptide. Although there have been many studies employing quantum chemical methods of the conformation of dipeptides, these have mostly been carried out in the gas phase or simulated water. None of these conditions really apply in the interior confines of the ribosome. In the present work, we are concerned with the conformation of dipeptides in this low dielectric environment. Furthermore, only the residue types glycine and alanine have been studied by previous authors, but we extend this repertoire to include leucine and isoleucine, position isomers which have very different structural propensities. (Less)
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type
Contribution to journal
publication status
published
subject
keywords
Dipeptides, Biosynthesis, Proteins
in
Naturwissenschaften
volume
100
issue
9
pages
853 - 859
publisher
Springer
external identifiers
  • wos:000323670800005
  • scopus:84883456355
  • pmid:23942479
ISSN
1432-1904
DOI
10.1007/s00114-013-1085-7
language
English
LU publication?
yes
additional info
The information about affiliations in this record was updated in December 2015. The record was previously connected to the following departments: Theoretical Chemistry (S) (011001039)
id
b7035b53-671f-4426-9d9a-4f4776585e5d (old id 4062377)
date added to LUP
2016-04-01 14:50:52
date last changed
2023-01-04 07:10:02
@article{b7035b53-671f-4426-9d9a-4f4776585e5d,
  abstract     = {{Globular proteins are folded polypeptide structures comprising stretches of secondary structures (helical (alpha- or 3(10) helix type), polyproline helix or beta-strands) interspersed by regions of less well-ordered structure ("random coil"). Protein fold prediction is a very active field impacting inte alia on protein engineering and misfolding studies. Apart from the many studies of protein refolding from the denatured state, there has been considerable interest in studying the initial formation of peptides during biosynthesis, when there are at the outset only a few residues in the emerging polypeptide. Although there have been many studies employing quantum chemical methods of the conformation of dipeptides, these have mostly been carried out in the gas phase or simulated water. None of these conditions really apply in the interior confines of the ribosome. In the present work, we are concerned with the conformation of dipeptides in this low dielectric environment. Furthermore, only the residue types glycine and alanine have been studied by previous authors, but we extend this repertoire to include leucine and isoleucine, position isomers which have very different structural propensities.}},
  author       = {{Bywater, Robert P. and Veryazov, Valera}},
  issn         = {{1432-1904}},
  keywords     = {{Dipeptides; Biosynthesis; Proteins}},
  language     = {{eng}},
  number       = {{9}},
  pages        = {{853--859}},
  publisher    = {{Springer}},
  series       = {{Naturwissenschaften}},
  title        = {{The preferred conformation of dipeptides in the context of biosynthesis}},
  url          = {{http://dx.doi.org/10.1007/s00114-013-1085-7}},
  doi          = {{10.1007/s00114-013-1085-7}},
  volume       = {{100}},
  year         = {{2013}},
}