Sökning: WFRF:(Govindarajan Sudha) >
Topology of membran...
Topology of membrane proteins - predictions, limitations and variations
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Tsirigos, Konstantinos D. (författare)
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- Govindarajan, Sudha (författare)
- Stockholms universitet,Science for Life Laboratory (SciLifeLab),Institutionen för biokemi och biofysik
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- Bassot, Claudio (författare)
- Stockholms universitet,Science for Life Laboratory (SciLifeLab),Institutionen för biokemi och biofysik
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- Västermark, Åke (författare)
- Stockholms universitet,Science for Life Laboratory (SciLifeLab),Institutionen för biokemi och biofysik,NITECH, Japan
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- Lamb, John (författare)
- Stockholms universitet,Science for Life Laboratory (SciLifeLab),Institutionen för biokemi och biofysik
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- Shu, Nanjiang (författare)
- Stockholms universitet,Science for Life Laboratory (SciLifeLab),Institutionen för biokemi och biofysik,Nordic e-Infrastructure Collaboration, Sweden
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- Elofsson, Arne (författare)
- Stockholms universitet,Science for Life Laboratory (SciLifeLab),Institutionen för biokemi och biofysik,Swedish e-Science Research Center (SeRC), Sweden
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(creator_code:org_t)
- Elsevier BV, 2018
- 2018
- Engelska.
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Ingår i: Current opinion in structural biology. - : Elsevier BV. - 0959-440X .- 1879-033X. ; 50, s. 9-17
- Relaterad länk:
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https://urn.kb.se/re...
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https://doi.org/10.1...
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Abstract
Ämnesord
Stäng
- Transmembrane proteins perform a variety of important biological functions necessary for the survival and growth of the cells. Membrane proteins are built up by transmembrane segments that span the lipid bilayer. The segments can either be in the form of hydrophobic alpha-helices or beta-sheets which create a barrel. A fundamental aspect of the structure of transmembrane proteins is the membrane topology, that is, the number of transmembrane segments, their position in the protein sequence and their orientation in the membrane. Along these lines, many predictive algorithms for the prediction of the topology of alpha-helical and beta-barrel transmembrane proteins exist. The newest algorithms obtain an accuracy close to 80% both for alpha-helical and beta-barrel transmembrane proteins. However, lately it has been shown that the simplified picture presented when describing a protein family by its topology is limited. To demonstrate this, we highlight examples where the topology is either not conserved in a protein superfamily or where the structure cannot be described solely by the topology of a protein. The prediction of these nonstandard features from sequence alone was not successful until the recent revolutionary progress in 3D-structure prediction of proteins.
Ämnesord
- NATURVETENSKAP -- Biologi (hsv//swe)
- NATURAL SCIENCES -- Biological Sciences (hsv//eng)
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- ref (ämneskategori)
- art (ämneskategori)
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