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93 Current news about the topic x-ray crystallography

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How ethane-consuming archaea pick up their favorite dish

Scientists sucessfully decoded the structure of the enzyme responsible for ethane fixation

09-Jul-2021

Hot vents in the deep sea are home to microbes that feed on ethane. They were discovered recently from scientists of the Max Planck Institute for Marine Microbiology. Now the researchers from Bremen succeeded in finding an important component in the microbial conversion of the gas. They were able ...

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Cellular powerplant recycles waste gases

The idea is to use the power of bacteria to turn toxic waste gases into valuable compounds such as acetate or ethanol

19-Nov-2020

Carbon monoxide is a very poisonous gas. Humans die within minutes when they inhale it. However, some microorganisms tolerate carbon monoxide and even use it to breathe and replicate. Knowledge about how these bacteria survive opens a window into the primeval times of the earth and the origin of ...

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Getting to the heart of an enzyme

Decoding the heart of NatC: X-rays help shed light on structure

10-Nov-2020

A team led by Oliver Daumke at the MDC has determined the three-dimensional structure of the NatC acetyltransferase in an article published in Nature Communications. This enzyme modifies cell proteins to enable them to perform their functions correctly. In cancer cells, however, NatC is often ...

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How deadly parasites ‘glide’ into human cells


X-ray analysis reveals structure of molecular machinery of malaria and toxoplasmosis pathogens

03-Nov-2020

An investigation at DESY's X-ray source PETRA III provides new insights into the molecular machinery by which certain parasites travel through the human organism. The study, led by Christian Löw from the Hamburg branch of the European Molecular Biology Laboratory EMBL, analyzed the so-called ...

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Researchers describe structure of SARS-CoV-2 proteins suitable for design of new drugs

04-Aug-2020

COVID-19 has changed the lives of millions and even billions of people around the world. The disease is caused by SARS coronavirus 2 (SARS-CoV-2), an RNA virus, i.e. a virus that uses RNA to store its genetic information. In order to confront it, we must have a detailed understanding of the ...

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Showtime for photosynthesis

One of nature's most important chemical reactions is now being captured in a breakthrough 'molecular movie'

08-Jun-2020

Using a unique combination of nanoscale imaging and chemical analysis, an international team of researchers has revealed a key step in the molecular mechanism behind the water splitting reaction of photosynthesis, a finding that could help inform the design of renewable energy technology. "Life ...

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X-ray eyes peer deeper into deadly pathogen

11-Mar-2020

Tularemia is a rare but often lethal disease. It is caused by one of the most aggressive pathogens on earth, the bacterium Francisella tularensis. The microbe, transported by a variety of animals and insects, is able to enter and attack the body through a range of pathways, resulting in different ...

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Shaping the social networks of neurons

Identification of a protein complex that attracts or repels nerve cells during development

28-Jan-2020

The three proteins Teneurin, Latrophilin and FLRT hold together and bring neighboring neurons into close contact, enabling the formation of synapses and the exchange of information between the cells. In the early phase of brain development, however, the interaction of the same proteins leads to ...

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New discoveries map out CRISPR-Cas defence systems in bacteria

26-Sep-2019

With the aid of highly advanced microscopes and synchrotron sources, researchers from the University of Copenhagen have gained seminal insight into how bacteria function as defence mechanisms against attacks from other bacteria and viruses. The study, which has just been published in the journal, ...

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'Breathing' enzymes in fast motion

Researchers watch work of an enzyme in unprecedented detail

23-Sep-2019

Researchers from the Department of Atomically Resolved Dynamics of the Max Planck Institute for the Structure and Dynamics of Matter (MPSD) at the Center for Free-Electron Laser Science in Hamburg, the University of Potsdam (both in Germany) and the University of Toronto (Canada) have pieced ...

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