Results 91 to 100 of about 14,126,310 (342)

A methionine‐lined active site governs carbocation stabilization and product specificity in a bacterial terpene synthase

FEBS Letters, EarlyView.
This study reveals a unique active site enriched in methionine residues and demonstrates that these residues play a critical role by stabilizing carbocation intermediates through novel sulfur–cation interactions. Structure‐guided mutagenesis further revealed variants with significantly altered product profiles, enhancing pseudopterosin formation. These
Marion Ringel, Carl P. O. Helmer, Shani Zev, Ronja Driller, Emily Buhr, Markus Reinbold, Renana Schwartz, Gabriel Foley, Mikael Boden, Daniel Garbe, Gerhard Schenk, Dan Thomas Major, Bernhard Loll, Thomas Brück   +13 more
wiley   +1 more source

Narrow-K-Band Observations of the GJ 1214 System

, 2013
GJ 1214 is a nearby M dwarf star that hosts a transiting super-Earth-size planet, making this system an excellent target for atmospheric studies. Most studies find that the transmission spectrum of GJ 1214b is flat, which favors either a high mean ...
Colon, Knicole D., Gaidos, Eric
core   +1 more source

Infrared Surface Brightness Fluctuations of the Coma Elliptical NGC 4874 and the Value of the Hubble Constant [PDF]

, 2001
We have used the Keck I Telescope to measure K-band surface brightness fluctuations (SBFs) of NGC 4874, the dominant elliptical galaxy in the Coma cluster.
Baier F. W., Casali M. M., D’Onofrio M., James R. Graham, Jorgensen I., Michael C. Liu, White S. D. M.   +6 more
core   +2 more sources

Miniaturised high‐isolation K‐/Ka‐band diplexer with 3D antarafacial channel integration using vertical quasi‐coaxial matching network

IET Microwaves, Antennas & Propagation
A miniaturised high‐isolation K‐/Ka‐band diplexer with exceeding adjacent channels using 3D antarafacial channel integration and vertical‐quasi‐coaxial‐based matching network is proposed.
Yujin Zhou, Haoyu Wei, Jun Zhou, Chonghu Cheng, Yong Cheng   +4 more
doaj   +1 more source

Hyperosmotic stress induces PARP1‐mediated HPF1‐dependent mono(ADP‐ribosyl)ation

FEBS Letters, EarlyView.
Sorbitol‐induced hyperosmotic stress rapidly induces reversible mono(ADP‐ribosyl)ation (MARylation) on PARP1 without the signs of genotoxic signaling. We show that PARP1 autoMARylation is HPF1 dependent and forms hydroxylamine‐resistant O‐glycosidic linkages.
Anna Georgina Kopasz, Mihály Mérey, Rebeka Vásárhelyi, Ramóna Pék, Victor Imburchia, László Henn, Adrián Kószó, Nicholas D. Lakin, Ivan Ahel, Sébastien Huet, Ágnes Czibula, Gyula Timinszky   +11 more
wiley   +1 more source

The Nature of the Secondary Star in the Black Hole X-Ray Transient V616 Mon (=A0620-00)

, 2006
We have used NIRSPEC on Keck II to obtain $K$-band spectroscopy of the low mass X-ray binary V616 Mon (= A0620$-$00). V616 Mon is the proto-typical soft x-ray transient containing a black hole primary.
France A. Cordova, Friend M. T., Marsh T. R., Martinez-Pais I. G., Paula Szkody, Shahbaz T., Shahbaz T., Shrader C. R., Steve B. Howell, Thomas E. Harrison   +9 more
core   +2 more sources

Ruminantların Beslenmesinde Korunmuş Protein Kullanımı Üzerinde Araştırmalar 2. Korunmuş Proteinlerin Gebeliğin Son Dönemindeki Koyunların Canlı Ağırlıkları ile Kuzuların Büyüme ve Yaşama Güçleri Üzerindeki Etkileri

Journal of Agricultural Sciences, 2003
Bu araşt ı rma korunmuş proteinlerin gebeli ğin son dönemindeki koyunlar ı n canl ı ağı rl ığı ile kuzuları n büyüme ve yaşama gücü üzerindeki etkilerinin saptanmas ı amac ı ile düzenlenmiştir.
Hülya Hanoğlu, Ekin Sucu, Ali Karabulut, Leyla Şengül, İsmail Fılya, Ali Karabulut   +5 more
doaj  

The Second and Third Data Releases from the UKIRT Hemisphere Survey

The Astronomical Journal
This paper describes the second and third data releases (DR2 and DR3, respectively) from the ongoing United Kingdom Infrared Telescope Hemisphere Survey (UHS).
Adam C. Schneider, Frederick J. Vrba, Justice Bruursema, Jeffrey A. Munn, Mike Irwin, Mike Read, Watson Varricatt, Tom Kerr, Klaus Hodapp, Simon Dye, Stephen J. Williams, Andrew T. Cenko, Trudy M. Tilleman, Marc A. Murison, Barry Rothberg, Scott Dahm, Bryan Dorland, Andy Lawrence, Kenneth C. Chambers   +18 more
doaj   +1 more source

An isoform of 14‐3‐3 protein regulates transbilayer lipid movement at the plasma membrane

FEBS Letters, EarlyView.
Loss of 14‐3‐3ζ in CHO cells confers resistance to exogenous phosphatidylserine (PS) and impairs endocytosis‐independent inward flip‐flop of fluorescent PS at the plasma membrane. RNAi‐mediated knockdown reproduces this defect, while no additive effect is seen in ATP11C‐deficient cells.
Akiko Yamaji‐Hasegawa, Akira Hattori, Masafumi Tsujimoto, Toshihide Kobayashi   +3 more
wiley   +1 more source

Discovery of Two Supernovae in the Nuclear Regions of the Luminous Infrared Galaxy IC 883 [PDF]

, 2011
We report the discovery of two consecutive supernovae (SNe), 2010cu and 2011hi, located at 0.37" (180 pc) and 0.79" (380 pc) projected distance respectively from the centre of the K-band nucleus of the luminous infrared galaxy IC 883.
Alard, Alonso-Herrero, Batejat, Botticella, Calzetti, Canizales, Dahlen, Fioc, Horiuchi, Kankare, Kankare, Kankare, Kankare, Krisciunas, Mattila, Origlia, Parra, Patat, Ryder, Sanders, Schlegel, Scoville, Skrutskie, Soifer, Ulvestad   +24 more
core   +2 more sources