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Releasing Brakes on Biocatalysis

Formaldehyde can inhibit enzymes that produce hydrogen particularly efficiently. Researchers from Bochum have discovered how this can be prevented. Enzymes from microorganisms can produce hydroge .

United statesUnited kingdomUlf peter apfelEckhard hofmannLingling liuFrasera armstrongOliver lampretJifu duanAnja hemschemeierShanika yadavAstrit velijuProfessor eckhard hofmann at ruhr universityRuhr university bochumJournal of the american chemical societyPhotobiotechnology at ruhr university bochumUniversity of oxford

Releasing brakes on biocatalysis

Releasing brakes on biocatalysis
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United kingdomJifu duanRuhr university bochumUniversity of oxfordProfessor eckhard hofmann at ruhr universityPhotobiotechnology at ruhr university bochumProfessor eckhard hofmannRuhr university

Researchers discover how to prevent formaldehyde from inhibiting hydrogen-producing enzymes

Researchers discover how to prevent formaldehyde from inhibiting hydrogen-producing enzymes
phys.org - get the latest breaking news, showbiz & celebrity photos, sport news & rumours, viral videos and top stories from phys.org Daily Mail and Mail on Sunday newspapers.

United statesAnja hemschemeierJifu duanEckhard hofmannJournal of the american chemical societyPhotobiotechnology at ruhr university bochumUniversity of oxfordProfessor eckhard hofmann at ruhr universityRuhr university bochumAmerican chemical societyProfessor eckhard hofmannRuhr universityMolecular mechanismFormaldehyde inhibitionAmerican chemical

A poison helps to understand H2-producing biocatalysts

In nature, enzymes termed hydrogenases are capable of producing molecular hydrogen (H2). Special types of these biocatalysts, so-called [FeFe]-hydrogenases, are extremely efficient and therefore o .

Nordrhein westfalenEckhard hofmannThomas happeJifu duanAngewandte chemieRuhr university bochumProfessor thomas happeProfessor eckhard hofmannHydrogen production

Hydrogen-producing enzyme protects itself against oxygen

E-Mail An international research team from the Photobiotechnology Research Group at Ruhr-Universität Bochum (RUB) led by Professor Thomas Happe and the Laboratoire de Bioénergétique et Ingénierie des Protéines (CNRS) in Marseille has been able to get to the bottom of this unique feature. They describe the molecular mechanism in Nature Communications on 2 February 2021. Enzyme repeatedly survives the attack unharmed Representatives of the [FeFe]-hydrogenase enzyme group combine protons and electrons to form molecular hydrogen at particularly high turnover rates. Some of them even use sunlight as a primary energy source for this. However, even low oxygen concentrations quickly lead to the irreversible breakdown of the catalytic cofactor, called the H-cluster. This has so far been observed in all representatives of this enzyme group - except for CbA5H. This enzyme has a molecular mechanism that allows it to repeatedly survive the oxygen attack unharmed, says Thomas Happe.

Eckhard hofmannMartin winklerThomas happeJifu duanPhotobiotechnology research groupNature communicationsPhotobiotechnology research group at ruhr universitProfessor thomas happeLaboratoire de bioDes protProfessor eckhard hofmannProtein crystallographyPhotobiotechnology researchஎக்கர்த் ஹாஃப்மேன்மார்டின் விங்க்லர்தாமஸ் மகிழ்ச்சி