Results 1 to 10 of about 219,353 (382)

Hemin as a protective agent in an in vitro model of hypoxia/reoxygenation-induced injury [PDF]

open access: yesSAGE Open Medicine
Objective: Ischemia-reperfusion injury exacerbates myocardial damage and affects the prognosis of patients with ST-elevation myocardial infarction. This study investigates the potential cytoprotective effects of hemin in an in vitro cardiomyocyte model ...
Zuoyan Wang, Wei Liu
doaj   +2 more sources

Structure and mutation of deoxypodophyllotoxin synthase (DPS) from Podophyllum hexandrum

open access: yesFrontiers in Catalysis, 2023
Deoxypodophyllotoxin synthase (DPS) is a 2-oxoglutarate (2-OG) dependent non-heme iron (II) dioxygenase that catalyzes the stereoselective ring-closing carbon-carbon bond formation of deoxypodophyllotoxin from the aryllignan (−)-yatein ...
Zoe Ingold   +3 more
doaj   +1 more source

Polystyrene Degradation by Exiguobacterium sp. RIT 594: Preliminary Evidence for a Pathway Containing an Atypical Oxygenase

open access: yesMicroorganisms, 2022
The widespread use of plastics has led to their increasing presence in the environment and subsequent pollution. Some microorganisms degrade plastics in natural ecosystems and the associated metabolic pathways can be studied to understand the degradation
Anutthaman Parthasarathy   +6 more
doaj   +1 more source

The Naphthalene Catabolic Genes of Pseudomonas putida BS3701: Additional Regulatory Control

open access: yesFrontiers in Microbiology, 2020
Pseudomonas microorganisms are used for bioremediation of soils contaminated with petroleum hydrocarbons. The overall remediation efficiency is largely dependent on the presence of macro- and micronutrients.
Irina Pozdnyakova-Filatova   +5 more
doaj   +1 more source

Heme Oxygenase-1 Expression Affects Murine Abdominal Aortic Aneurysm Progression. [PDF]

open access: yes, 2016
Heme oxygenase-1 (HO-1), the rate-limiting enzyme in heme degradation, is a cytoprotective enzyme upregulated in the vasculature by increased flow and inflammatory stimuli.
Azuma, Junya   +13 more
core   +8 more sources

Early Steps in the Biosynthetic Pathway of Rishirilide B

open access: yesMolecules, 2020
The biological active compound rishirilide B is produced by Streptomyces bottropensis. The cosmid cos4 contains the complete rishirilide B biosynthesis gene cluster.
Philipp Schwarzer   +10 more
doaj   +1 more source

Identification of a Novel Self-Sufficient Styrene Monooxygenase from Rhodococcus opacus 1CP. [PDF]

open access: yes, 2009
Sequence analysis of a 9-kb genomic fragment of the actinobacterium Rhodococcus opacus 1CP led to identification of an open reading frame encoding a novel fusion protein, StyA2B, with a putative function in styrene metabolism via styrene oxide and ...
Berkel, W.J.H., van   +5 more
core   +10 more sources

Lack of activity of recombinant HIF prolyl hydroxylases (PHDs) on reported non-HIF substrates

open access: yeseLife, 2019
Human and other animal cells deploy three closely related dioxygenases (PHD 1, 2 and 3) to signal oxygen levels by catalysing oxygen regulated prolyl hydroxylation of the transcription factor HIF. The discovery of the HIF prolyl-hydroxylase (PHD) enzymes
Matthew E Cockman   +10 more
doaj   +1 more source

Heme oxygenase-1 as a modulator of intestinal inflammation development and progression [PDF]

open access: yes, 2018
Indexación: Scopus.Heme Oxygenase 1 (HMOX1) is an enzyme that catalyzes the reaction that degrades the heme group contained in several important proteins, such as hemoglobin, myoglobin, and cytochrome p450.
Alexis M. Kalergis   +12 more
core   +2 more sources

Human Heme Oxygenase Oxidation of 5- and 15-Phenylhemes [PDF]

open access: yes, 2004
Human heme oxygenase-1 (hHO-1) catalyzes the O2- dependent oxidation of heme to biliverdin, CO, and free iron. Previous work indicated that electrophilic addition of the terminal oxygen of the ferric hydroperoxo complex to the -meso-carbon gives 5 ...
Alvarez, Diego Ezequiel   +7 more
core   +1 more source

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