نتایج جستجو برای: angstrom model

تعداد نتایج: 2105464  

Journal: :Acta crystallographica. Section F, Structural biology and crystallization communications 2009
Celisa Caldana Costa Tonoli Plinio Salmazo Vieira Richard John Ward Raghuvir Krishnaswamy Arni Arthur Henrique Cavalcante de Oliveira Mario Tyago Murakami

Nucleoside diphosphate kinases (NDKs; EC 2.7.4.6) play an essential role in the synthesis of nucleotides from intermediates in the salvage pathway in all parasitic trypanosomatids and their structural studies will be instrumental in shedding light on the biochemical machinery involved in the parasite life cycle and host-parasite interactions. In this work, NDKb from Leishmania major was overexp...

Journal: :Science 2006
K A Mkhoyan P E Batson J Cha W J Schaff J Silcox

With current advances in sub-angstrom resolution scanning transmission electron microscopy (STEM), it is now possible to image directly local crystal structures of materials where dramatically different atoms are separated from each other at distances about or less than 1 angstrom. We achieved direct imaging of atomic columns of nitrogen in close proximity to columns of aluminum in wurtzite alu...

2009
Rocío Coloma José M. Valpuesta Rocío Arranz José L. Carrascosa Juan Ortín Jaime Martín-Benito

The influenza viruses contain a segmented, single-stranded RNA genome of negative polarity. Each RNA segment is encapsidated by the nucleoprotein and the polymerase complex into ribonucleoprotein particles (RNPs), which are responsible for virus transcription and replication. Despite their importance, information about the structure of these RNPs is scarce. We have determined the three-dimensio...

Journal: :Microscopy and Microanalysis 2003

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