Results 91 to 100 of about 143,267 (285)

The planar cell polarity protein Vangl2 interacts with the PDZ‐domains of Scribble but not with a unique PDZ‐like domain in Inturned

FEBS Letters, EarlyView.
Structural and biochemical characterisations show that the planar cell polarity (PCP) protein Inturned harbours a unique PDZ‐like domain that does not bind canonical PDZ‐binding motifs (PBMs) like that of another PCP protein Vangl2. In contrast, the apical‐basal polarity protein Scribble contains four PDZ domains that bind Vangl2, but one PDZ domain ...
Stephan Wilmes, Jan Brysch, Carmen Gelze, Lilli Meier, Daniel Kümmel   +4 more
wiley   +1 more source

Initial Orbit Determination Solution Distribution with Gooding Algorithm and Performance Enhancement

Space: Science & Technology
An initial orbit determination (IOD) solution from angles-only observations of a single short orbit arc is often required for applications such as tracklet association and fast reacquisition of a newly detected space object.
Zhengyuan Zhang, Bin Li, Zhenwei Li, Xiaohong Zhang, Jizhang Sang   +4 more
doaj   +1 more source

Calpain small subunit homodimerization is robust and calcium‐independent

FEBS Letters, EarlyView.
Calpains dimerize via penta‐EF‐hand (PEF) domains. Using single‐molecule force spectroscopy, we measured the strength and kinetics of PEF–PEF homodimer binding. The interaction is robust, shows a transient conformational step before dissociation, and remains largely insensitive to Ca2+.
Nesha May O. Andoy, Trina Dykstra‐MacPherson, Mathias A. Bell, Peter L. Davies, Ruby May A. Sullan   +4 more
wiley   +1 more source

An intelligent interface for satellite operations: Your Orbit Determination Assistant (YODA) [PDF]

An intelligent interface is often characterized by the ability to adapt evaluation criteria as the environment and user goals change. Some factors that impact these adaptations are redefinition of task goals and, hence, user requirements; time ...
Schur, Anne
core   +1 more source

Orbit determination and control for the European Student Moon Orbiter [PDF]

, 2010
Scheduled for launch in 2014-2015 the European Student Moon Orbiter (ESMO) will be the first lunar microsatellite designed entirely by the student population.
Gibbings, Alison, Vasile, Massimiliano, Zuiani, Federico   +2 more
core  

INPOP08, a 4-D planetary ephemeris: From asteroid and time-scale computations to ESA Mars Express and Venus Express contributions

, 2009
The latest version of the planetary ephemerides developed at the Paris Observatory and at the Besancon Observatory is presented here. INPOP08 is a 4-dimension ephemeris since it provides to users positions and velocities of planets and the relation ...
A. Fienga, Baer, Baer, Budnik, C. Le Poncin-Lafitte, Damour, Damour, F. Budnik, Fairhead, Fienga, Folkner, H. Manche, Hilton, Irwin, J. Laskar, Klioner, Konopliv, L. Somenzi, M. Gastineau, Michalak, P. Kuchynka, Soffel, Standish, T. Morley, Tedesco   +24 more
core   +4 more sources

Structural insights into an engineered feruloyl esterase with improved MHET degrading properties

FEBS Letters, EarlyView.
A feruloyl esterase was engineered to mimic key features of MHETase, enhancing the degradation of PET oligomers. Structural and computational analysis reveal how a point mutation stabilizes the active site and reshapes the binding cleft, expading substrate scope.
Panagiota Karampa, Konstantinos Makryniotis, Theofani‐Iosifina Sousani, Evangelos Topakas, Vangelis Daskalakis, Maria Dimarogona   +5 more
wiley   +1 more source

Autonomous Orbit Determination of LLO Satellite Using DRO–LLO Links and Lunar Laser Ranging

Aerospace
A stable and high-precision autonomous orbit determination scheme for a Low Lunar Orbit (LLO) spacecraft is proposed, leveraging satellite-to-satellite tracking (SST) measurement data and lunar laser ranging data.
Shixu Chen, Shuanglin Li, Jinghui Pu, Yingjie Xu, Wenbin Wang   +4 more
doaj   +1 more source

Gravity tests with INPOP planetary ephemerides

, 2009
In this paper, we present several gravity tests made in using the last INPOP08 planetary ephemerides. We first propose two methods to estimate the PPN parameter $\beta$ and its correlated value, the Sun J2 and we discuss the correlation between the Sun ...
A. Fienga, C. Leponcin-Lafitte, Fienga, H. Manche, J. Laskar, Kopeikin, Lambert, M. Gastineau, P. Kuchynka, Pitjeva   +9 more
core   +3 more sources

Probabilistic Initial Orbit Determination

, 2016
Future space surveillance requires dealing with uncertainties directly in the initial orbit determination phase. We propose an approach based on Taylor differential algebra to both solve the initial orbit determination (IOD) problem and to map uncertainties from the observables space into the orbital elements space. This is achieved by approximating in
ARMELLIN, ROBERTO, DI LIZIA, PIERLUIGI
openaire   +3 more sources