| pubmed-article:11035796 | rdf:type | pubmed:Citation | lld:pubmed |
| pubmed-article:11035796 | lifeskim:mentions | umls-concept:C0014834 | lld:lifeskim |
| pubmed-article:11035796 | lifeskim:mentions | umls-concept:C0039667 | lld:lifeskim |
| pubmed-article:11035796 | lifeskim:mentions | umls-concept:C0005456 | lld:lifeskim |
| pubmed-article:11035796 | lifeskim:mentions | umls-concept:C1709059 | lld:lifeskim |
| pubmed-article:11035796 | pubmed:issue | 22 | lld:pubmed |
| pubmed-article:11035796 | pubmed:dateCreated | 2000-11-28 | lld:pubmed |
| pubmed-article:11035796 | pubmed:abstractText | To explore how distal mutations affect binding sites and how binding sites in proteins communicate, an ensemble-based model of the native state was used to define the energetic connectivities between the different structural elements of Escherichia coli dihydrofolate reductase. Analysis of this model protein has allowed us to identify two important aspects of intramolecular communication. First, within a protein, pair-wise couplings exist that define the magnitude and extent to which mutational effects propagate from the point of origin. These pair-wise couplings can be identified from a quantity we define as the residue-specific connectivity. Second, in addition to the pair-wise energetic coupling between residues, there exists functional connectivity, which identifies energetic coupling between entire functional elements (i.e., binding sites) and the rest of the protein. Analysis of the energetic couplings provides access to the thermodynamic domain structure in dihydrofolate reductase as well as the susceptibility of the different regions of the protein to both small-scale (e.g., point mutations) and large-scale perturbations (e. g., binding ligand). The results point toward a view of allosterism and signal transduction wherein perturbations do not necessarily propagate through structure via a series of conformational distortions that extend from one active site to another. Instead, the observed behavior is a manifestation of the distribution of states in the ensemble and how the distribution is affected by the perturbation. | lld:pubmed |
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| pubmed-article:11035796 | pubmed:language | eng | lld:pubmed |
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| pubmed-article:11035796 | pubmed:citationSubset | IM | lld:pubmed |
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| pubmed-article:11035796 | pubmed:status | MEDLINE | lld:pubmed |
| pubmed-article:11035796 | pubmed:month | Oct | lld:pubmed |
| pubmed-article:11035796 | pubmed:issn | 0027-8424 | lld:pubmed |
| pubmed-article:11035796 | pubmed:author | pubmed-author:LeeJ CJC | lld:pubmed |
| pubmed-article:11035796 | pubmed:author | pubmed-author:PapJJ | lld:pubmed |
| pubmed-article:11035796 | pubmed:author | pubmed-author:HilserV JVJ | lld:pubmed |
| pubmed-article:11035796 | pubmed:issnType | Print | lld:pubmed |
| pubmed-article:11035796 | pubmed:day | 24 | lld:pubmed |
| pubmed-article:11035796 | pubmed:volume | 97 | lld:pubmed |
| pubmed-article:11035796 | pubmed:owner | NLM | lld:pubmed |
| pubmed-article:11035796 | pubmed:authorsComplete | Y | lld:pubmed |
| pubmed-article:11035796 | pubmed:pagination | 12020-5 | lld:pubmed |
| pubmed-article:11035796 | pubmed:dateRevised | 2009-11-18 | lld:pubmed |
| pubmed-article:11035796 | pubmed:meshHeading | pubmed-meshheading:11035796... | lld:pubmed |
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| pubmed-article:11035796 | pubmed:meshHeading | pubmed-meshheading:11035796... | lld:pubmed |
| pubmed-article:11035796 | pubmed:meshHeading | pubmed-meshheading:11035796... | lld:pubmed |
| pubmed-article:11035796 | pubmed:meshHeading | pubmed-meshheading:11035796... | lld:pubmed |
| pubmed-article:11035796 | pubmed:meshHeading | pubmed-meshheading:11035796... | lld:pubmed |
| pubmed-article:11035796 | pubmed:year | 2000 | lld:pubmed |
| pubmed-article:11035796 | pubmed:articleTitle | Binding sites in Escherichia coli dihydrofolate reductase communicate by modulating the conformational ensemble. | lld:pubmed |
| pubmed-article:11035796 | pubmed:affiliation | Department of Human Biological Chemistry and Genetics, University of Texas Medical Branch, Galveston, TX 77555-1055, USA. | lld:pubmed |
| pubmed-article:11035796 | pubmed:publicationType | Journal Article | lld:pubmed |
| pubmed-article:11035796 | pubmed:publicationType | Research Support, U.S. Gov't, P.H.S. | lld:pubmed |
| pubmed-article:11035796 | pubmed:publicationType | Research Support, U.S. Gov't, Non-P.H.S. | lld:pubmed |
| pubmed-article:11035796 | pubmed:publicationType | Research Support, Non-U.S. Gov't | lld:pubmed |
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