نتایج جستجو برای: 3d structure

تعداد نتایج: 1722805  

2011
Bregje Brugman Theo Tijssen Peter van Oosterom

The goal of this research is to develop a 3D topological structure to represent a 3D space partition with validation functionality and support for conversions from topological to geometrical primitives. Several 3D topological structures have been presented in the past, mainly by researchers. The technical (implementation) model developed in this paper is based on the conceptual model of the ISO...

2006
Olivier Koch Seth Teller

We present a work-in-progress method for real-time visionbased localization in indoor environments. Given a rough model of the structure and a video sequence captured from an omnivision camera, the system computes the camera pose (translation and rotation) in the structure coordinate frame. The system has several novel aspects: it performs localization in 3D; it handles highly cluttered and dyn...

2015
Julius Schöning Gunther Heidemann

A number of software solutions for reconstructing 3D models from multi-view image sets have been released in recent years. Based on an unordered collection of photographs, most of these solutions extract 3D models using structure-from-motion (SFM) algorithms. In this work, we compare the resulting 3D models qualitatively and quantitatively. To achieve these objectives, we have developed differe...

Journal: :Nucleic acids research 2000
Yanli Wang Kenneth J. Addess Lewis Y. Geer Thomas Madej Aron Marchler-Bauer Diane Zimmerman Stephen H. Bryant

Three-dimensional structures are now known for roughly half of all protein families. It is thus quite likely, in searching sequence databases, that one will encounter a homolog with known structure and be able to use this information to infer structure-function properties. The goal of Entrez's 3D structure database is to make this information accessible and useful to molecular biologists. To th...

ABSTRACT: Quantitative structure-activity relationship (QSAR) study on the piperidone-grafted mono- and bis-spirooxindole-hexahydropyrrolizines as potent butyrylcholinestrase (BuChE) inhibitors were carried out using statistical methods, molecular dynamics and molecular docking simulation. QSAR methodologies, including classification and regression tree (CART), multiple linear regression (MLR),...

آزادبخت , آزاده, دریکوند, زهره , عباسی , امیر رضا , مرسلی, علی ,

4-(4H-1,2,4-Triazol-4-yl)phenol (compound I) as a triazol aromatic compound was obtained by the reaction diformylhydrazineand p-aminophenol in dimethylformamide (DMF) under hydrothermal condition. The crystal structure of this compound was determined by FT-IR spectroscopy, NMR, elemental analysis and single crystal X-ray diffraction method. Crystallographic data for I was collected at 298 K. Th...

2012
Thomas Madej Kenneth J. Addess Jessica H. Fong Lewis Y. Geer Renata C. Geer Christopher J. Lanczycki Chunlei Liu Shennan Lu Aron Marchler-Bauer Anna R. Panchenko Jie Chen Paul A. Thiessen Yanli Wang Dachuan Zhang Stephen H. Bryant

Close to 60% of protein sequences tracked in comprehensive databases can be mapped to a known three-dimensional (3D) structure by standard sequence similarity searches. Potentially, a great deal can be learned about proteins or protein families of interest from considering 3D structure, and to this day 3D structure data may remain an underutilized resource. Here we present enhancements in the M...

Journal: :Structure 2010
Bjoern Sander Monika M Golas Reinhard Lührmann Holger Stark

Single-particle electron cryomicroscopy is a powerful method for three-dimensional (3D) structure determination of macromolecular assemblies. Here we address the challenge of determining a 3D structure in the absence of reference models. The 3D structures are determined by alignment and weighted averaging of densities obtained by native cryo random conical tilt (RCT) reconstructions including c...

Journal: :iranian journal of pharmaceutical research 0
poonam inamdar department of pharmaceutical chemistry- pg wing, aissms college of pharmacy, pune-01, maharashtra, india. shashikant bhandari department of pharmaceutical chemistry- pg wing, aissms college of pharmacy, pune-01, maharashtra, india. bhagyashri sonawane department of pharmaceutical chemistry- pg wing, aissms college of pharmacy, pune-01, maharashtra, india. asha hole department of pharmaceutical chemistry- pg wing, aissms college of pharmacy, pune-01, maharashtra, india. chintamani jadhav department of pharmaceutical chemistry- pg wing, aissms college of pharmacy, pune-01, maharashtra, india.

the urgent need of neuraminidase inhibitors (ni) has provided an impetus for understanding the structure requisite at molecular level. our search for selective inhibitors of neuraminidase has led to the identification of pharmacophoric requirements at various positions around acyl thiourea pharmacophore. the main objective of present study is to develop selective ni, with least toxicity and dru...

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