Results 81 to 90 of about 10,229,767 (397)

On almost distance-regular graphs [PDF]

Journal of Combinatorial Theory, Series A 118 (2011), 1094-1113, 2012
Distance-regular graphs are a key concept in Algebraic Combinatorics and have given rise to several generalizations, such as association schemes. Motivated by spectral and other algebraic characterizations of distance-regular graphs, we study `almost distance-regular graphs'.
arxiv   +1 more source

Clustering with Euclidean Distance, Manhattan - Distance, Mahalanobis - Euclidean Distance, and Chebyshev Distance with Their Accuracy

Indonesian Journal of Statistics and Its Applications, 2021
There are several algorithms to solve many problems in grouping data. Grouping data is also known as clusterization, clustering takes advantage to solve some problems especially in business. In this note, we will modify the clustering algorithm based on distance principle which background of K-means algorithm (Euclidean distance).
Said Al Afghani, Widhera Yoza Mahana Putra   +1 more
openaire   +2 more sources

A histidine‐rich extension of the mitochondrial F0 subunit ATP6 from the ice worm Mesenchytraeus solifugus increases ATP synthase activity in bacteria

FEBS Letters, Volume 599, Issue 8, Page 1113-1121, April 2025.
The glacier ice worm Mesenchytraeus solifugus survives year‐round at 0 °C. Its ATP6 subunit, which forms a regulatory component of the proton pore in mitochondrial ATP synthase, has a carboxy‐terminal extension not found in any other organism examined to date. Here, we show that fusion of this extension to the homologous AtpB protein in E. coli results
Truman Dunkley, Daniel H. Shain, Eric A. Klein   +2 more
wiley   +1 more source

Redshifts and distances [PDF]

Nature, 1979
Evidence concerning the associations between QSOs and galaxies with similar redshifts, and pairs with very different redshifts is reviewed. It is concluded that both kinds of associations are likely to be real.
openaire   +3 more sources

Interaction between bacterial phytochromes Agp1 and Agp2 of Agrobacterium fabrum by fluorescence resonance energy transfer and docking studies

FEBS Letters, Volume 599, Issue 6, Page 848-865, March 2025.
The interaction between Agrobacterium fabrum phytochromes Agp1 and Agp2 was studied using FRET. Full‐length and truncated proteins with varied label positions provided spatial insights, narrowing down from many docking models to three. These models explain Agp2's reduction in Agp1 autophosphorylation, with Arg83 of Agp2 specifically evolved to interact
Afaf El Kurdi, Gero Kaeser, Patrick Scheerer, David Hoffmann, Ebru Akkus, Marcus Elstner, Norbert Krauß, Tilman Lamparter   +7 more
wiley   +1 more source

Cosmological distance indicators

, 2018
We review three distance measurement techniques beyond the local universe: (1) gravitational lens time delays, (2) baryon acoustic oscillation (BAO), and (3) HI intensity mapping.
A. Agnello, A. Eigenbrod, A. Goobar, A. Hojjati, A. Hojjati, A. More, A. Oscoz, A.G. Riess, A.M. Martin, A.S. Tagore, B.J. Brewer, C. Alcock, C. Grillo, C. Hazard, C. McCully, C. Vanderriest, C. Vuissoz, C. Vuissoz, C.D. Fassnacht, C.D. Fassnacht, C.D. Fassnacht, C.E. Rusu, C.L. Bennett, C.S. Kochanek, C.S. Kochanek, C.W. Morgan, D. Paraficz, D. Sluse, D. Walsh, D.A. Goldstein, D.A. Goldstein, D.H. Weinberg, D.J. Eisenstein, D.J. Eisenstein, E. Eulaers, E. Giannini, E. Jullo, E.E. Falco, E.O. Ofek, E.R. Switzer, F. Courbin, F. Courbin, F. Courbin, F.B. Abdalla, G. Dobler, G. Dobler, G. Efstathiou, G. Golse, G.C.F. Chen, H. Lin, H.J. Seo, H.J. Seo, I. Burud, I. Burud, I. Burud, I. Jee, I. Momcheva, J. Fohlmeister, J. Fohlmeister, J. Hjorth, J. Huchra, J. Lehar, J.R. Shaw, J.R. Shaw, J.W. Nightingale, K. Bandura, K. Liao, K.C. Wong, K.S. Dawson, K.W. Masui, K.W. Masui, L. Amendola, L. Anderson, L. Oldham, L.B. Newburgh, L.J. Hainline, L.L.R. Williams, L.V.E. Koopmans, L.V.E. Koopmans, L.V.E. Koopmans, L.V.E. Koopmans, M. Barnabè, M. Barnabè, M. Cappellari, M. Jauzac, M. Oguri, M. Oguri, M. Oguri, M. Schmidt, M. Sereno, M. Takada, M. Tegmark, M. Tegmark, M. Tewes, M. Tewes, M.A. Zwaan, M.J. Drinkwater, N. Cantale, N. Kaiser, N.A. Grogin, O. Wucknitz, P. Bull, P. Jakobsson, P. Magain, P. Magain, P. Saha, P. Schneider, P. Schneider, P. Schneider, P. Schneider, P. Young, P.A.R. Ade, P.J. Marshall, P.J.E. Peebles, P.L. Kelly, P.L. Kelly, P.L. Kelly, P.L. Schechter, R. Adam, R. Barkana, R. Blandford, R. Blandford, R. Fadely, R. Gavazzi, R. Kawamata, R. Kormann, R.B. Wayth, S. Birrer, S. Cole, S. Dye, S. Hilbert, S. Rathna Kumar, S. Rathna Kumar, S. Refsdal, S. Vegetti, S. Wallington, S. Wyithe, S.A. Rodney, S.H. Suyu, S.H. Suyu, S.H. Suyu, S.H. Suyu, S.H. Suyu, S.H. Suyu, S.H. Suyu, S.H. Suyu, S.J. Warren, S.S. Tie, T. Kundić, T. Matsubara, T. Okumura, T. Okumura, T. Treu, T.C. Chang, T.C. Chang, T.E. Collett, V. Bonvin, V. Bonvin, V.N. Shalyapin, W. Hu, W.L. Freedman, W.N. Colley, X. Fernández, Y. Xu, Y.W. Liao, Z.S. Greene, É. Aubourg   +166 more
core   +1 more source

FastME 2.0: A Comprehensive, Accurate, and Fast Distance-Based Phylogeny Inference Program

Molecular biology and evolution, 2015
FastME provides distance algorithms to infer phylogenies. FastME is based on balanced minimum evolution, which is the very principle of Neighbor Joining (NJ).
Vincent Lefort, R. Desper, O. Gascuel
semanticscholar   +1 more source

Elucidation of interface interactions between a dehydratase domain and an acyl carrier protein in cremimycin polyketide synthase

FEBS Letters, Volume 599, Issue 8, Page 1159-1168, April 2025.
In modular polyketide synthases, the dehydratase (DH) domain catalyzes the dehydration reaction of the β‐hydroxyacyl unit attached to the cognate acyl carrier protein (ACP) domain. However, it is unclear how DH interacts with ACP during the reaction. In this study, we identified DH–ACP interface residues, providing the first detailed insights into DH ...
Kaede Kotagiri, Haruka Tachibana, Daisuke Kawasaki, Taichi Chisuga, Toma Kashima, Shinya Fushinobu, Fumitaka Kudo, Tadashi Eguchi, Akimasa Miyanaga   +8 more
wiley   +1 more source

Polynomial Characterizations of Distance-Biregular Graphs [PDF]

arXiv, 2022
Fiol, Garriga, and Yebra introduced the notion of pseudo-distance-regular vertices, which they used to develop a new characterization of distance-regular graphs. Building on that work, Fiol and Garriga developed the spectral excess theorem for distance-regular graphs. We extend both these characterizations to distancebiregular graphs and show how these
arxiv  

Functional variation among LPMOs revealed by the inhibitory effects of cyanide and buffer ions

FEBS Letters, Volume 599, Issue 9, Page 1317-1336, May 2025.
This study addresses the inhibition of lytic polysaccharide monooxygenases (LPMOs) by cyanide and explains how and why the magnitude of observed inhibitory effects depends on the way LPMO reactions are setup and on the type of LPMO. Enzymes known as lytic polysaccharide monooxygenases (LPMOs) are mono‐copper polysaccharide‐degrading peroxygenases that ...
Ole Golten, Lorenz Schwaiger, Zarah Forsberg, Kelsi R. Hall, Anton A. Stepnov, Tom Z. Emrich‐Mills, Iván Ayuso‐Fernández, Morten Sørlie, Roland Ludwig, Åsmund Kjendseth Røhr, Vincent G. H. Eijsink   +10 more
wiley   +1 more source