001     94241
005     20250731122618.0
024 7 _ |a pmid:19282960
|2 pmid
024 7 _ |a pmc:PMC2643529
|2 pmc
024 7 _ |a 10.1371/journal.pcbi.1000306
|2 doi
024 7 _ |a 1553-734X
|2 ISSN
024 7 _ |a 1553-7358
|2 ISSN
024 7 _ |a WOS:000266214000011
|2 WOS
024 7 _ |a openalex:W2119728532
|2 openalex
037 _ _ |a PHPPUBDB-12668
041 _ _ |a eng
082 _ _ |a 570
100 1 _ |a Stacklies, W.
110 1 _ |a DESY
|b European Molecular Biology Laboratory
245 _ _ |a Mechanical Network in Titin Immunoglobulin from Force Distribution Analysis
260 _ _ |a San Francisco, Calif.
|b Public Library of Science
|c 2009
300 _ _ |a e1000306
336 7 _ |a Journal Article
|0 0
|2 EndNote
336 7 _ |a ARTICLE
|2 BibTeX
336 7 _ |a article
|2 DRIVER
336 7 _ |a Journal Article
|m journal
|0 PUB:(DE-HGF)16
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440 _ 0 |a PLoS Computat. Biol.
|v 5
|x 1553-734X
|0 PERI:(DE-600)2193340-6
500 _ _ |3 Converted on 2013-05-30 14:57
500 _ _ |3 Converted on 2013-06-21 19:21
520 _ _ |a The role of mechanical force in cellular processes is increasingly revealed by single molecule experiments and simulations of force-induced transitions in proteins. How the applied force propagates within proteins determines their mechanical behavior yet remains largely unknown. We present a new method based on molecular dynamics simulations to disclose the distribution of strain in protein structures, here for the newly determined high-resolution crystal structure of I27, a titin immunoglobulin (IG) domain. We obtain a sparse, spatially connected, and highly anisotropic mechanical network. This allows us to detect load-bearing motifs composed of interstrand hydrogen bonds and hydrophobic core interactions, including parts distal to the site to which force was applied. The role of the force distribution pattern for mechanical stability is tested by in silico unfolding of I27 mutants. We then compare the observed force pattern to the sparse network of coevolved residues found in this family. We find a remarkable overlap, suggesting the force distribution to reflect constraints for the evolutionary design of mechanical resistance in the IG family. The force distribution analysis provides a molecular interpretation of coevolution and opens the road to the study of the mechanism of signal propagation in proteins in general.
536 _ _ |0 G:(DE-H253)POF1-No-Ref-20130405
|f POF I
|x 0
|c POF1-550
|a FS Beamline without reference (POF1-550)
588 _ _ |a Dataset connected to Pubmed
650 _ 2 |2 MeSH
|a Computer Simulation
650 _ 2 |2 MeSH
|a Cytoskeletal Proteins: chemistry
650 _ 2 |2 MeSH
|a Cytoskeletal Proteins: ultrastructure
650 _ 2 |2 MeSH
|a Elastic Modulus
650 _ 2 |2 MeSH
|a Models, Chemical
650 _ 2 |2 MeSH
|a Models, Molecular
650 _ 2 |2 MeSH
|a Muscle Proteins: chemistry
650 _ 2 |2 MeSH
|a Muscle Proteins: ultrastructure
650 _ 2 |2 MeSH
|a Protein Structure, Tertiary
650 _ 2 |2 MeSH
|a Stress, Mechanical
650 _ 7 |0 0
|2 NLM Chemicals
|a Cytoskeletal Proteins
650 _ 7 |0 0
|2 NLM Chemicals
|a MYOT protein, human
650 _ 7 |0 0
|2 NLM Chemicals
|a Muscle Proteins
693 _ _ |0 EXP:(DE-H253)Unknown-BL-20150101
|f Unknown DESY Beamline
|x 0
|6 EXP:(DE-H253)Unknown-BL-20150101
700 1 _ |a Vega, M. C.
700 1 _ |a Wilmanns, M.
700 1 _ |a Gräter, F.
773 _ _ |0 PERI:(DE-600)2193340-6
|a 10.1371/journal.pcbi.1000306
|g Vol. 5, p. e1000306
|p e1000306
|q 5|t PLoS Computational Biology
|v 5
|x 1553-734X
|y 2009
856 7 _ |2 Pubmed Central
|u http://www.ncbi.nlm.nih.gov/pmc/articles/PMC2643529
909 C O |o oai:bib-pubdb1.desy.de:94241
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910 1 _ |0 I:(DE-HGF)0
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913 1 _ |0 G:(DE-HGF)POF1-540
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|v Kondensierte Materie
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|b Struktur der Materie
|l Großgeräte für die Forschung mit Photonen, Neutronen, Ionen
914 1 _ |y 2009
915 _ _ |a JCR
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920 _ 1 |k HASYLAB
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920 1 _ |0 I:(DE-H253)EMBL_-2012_-20130307
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980 _ _ |a journal
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980 _ _ |a ConvertedRecord


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