Evaluating cooperativity in dimeric hemoglobins

A Boffi, E Chiancone - Methods in enzymology, 2004 - Elsevier
Publisher Summary A growing number of homo-and heterodimeric hemoglobins have been
identified not only within several phyla of invertebrates and lower vertebrates, but also in …

[HTML][HTML] Mechanistic insight into the enzymatic reduction of truncated hemoglobin N of Mycobacterium tuberculosis: role of the CD loop and pre-A motif in electron …

S Singh, N Thakur, A Oliveira, AA Petruk… - Journal of Biological …, 2014 - ASBMB
Many pathogenic microorganisms have evolved hemoglobin-mediated nitric oxide (NO)
detoxification mechanisms, where a globin domain in conjunction with a partner reductase …

Enhancement of enzymatic activity for myoglobins by modification of heme-propionate side chains

T Hayashi, H Sato, T Matsuo, T Matsuda… - Journal of Porphyrins …, 2004 - World Scientific
The modification of myoglobin is an attractive process not only for understanding its
molecular mechanism but also for engineering the protein function. The strategy of …

Dehaloperoxidase: An enzymatic Swiss army knife

T Malewschik, RA Ghiladi - Coordination Chemistry Reviews, 2021 - Elsevier
The hemoglobin from the marine worm Amphitrite ornata has been found to possess
multiple enzymatic activities in addition to its O 2-transport function. Named …

Functional consequences of the creation of an Asp-His-Fe triad in a 3/3 globin

EL D'Antonio, J D'Antonio, V de Serrano, H Gracz… - Biochemistry, 2011 - ACS Publications
The proximal side of dehaloperoxidase-hemoglobin A (DHP A) from Amphitrite ornata has
been modified via site-directed mutagenesis of methionine 86 into aspartate (M86D) to …

Flavin-containing heme enzymes

CG Mowat, B Gazur, LP Campbell… - Archives of Biochemistry …, 2010 - Elsevier
There are many examples of oxidative enzymes containing both flavin and heme prosthetic
groups that carry out the oxidation of their substrate. For the purpose of this article we have …

Dynamic evolution of nitric oxide detoxifying flavohemoglobins, a family of single-protein metabolic modules in bacteria and eukaryotes

JH Wisecaver, WG Alexander, SB King… - Molecular Biology …, 2016 - academic.oup.com
Due to their functional independence, proteins that comprise standalone metabolic units,
which we name single-protein metabolic modules, may be particularly prone to gene …

Reduction of Nitric Oxide to Nitrous Oxide in Flavodiiron Proteins: Catalytic Mechanism and Plausible Intermediates

MRA Blomberg, P Ädelroth - ACS Catalysis, 2023 - ACS Publications
The flavin dependent nonheme diiron proteins comprise a family of enzymes, which can act
as scavengers for both molecular oxygen and nitric oxide. The reduction of nitric oxide to …

The dynamics of the flavin, NADPH, and active site loops determine the mechanism of activation of class B flavin‐dependent monooxygenases

G Pierdominici‐Sottile, J Palma, ML Ferrelli… - Protein …, 2024 - Wiley Online Library
Flavin‐dependent monooxygenases (FMOs) constitute a diverse enzyme family that
catalyzes crucial hydroxylation, epoxidation, and Baeyer–Villiger reactions across various …

Sphaerotilus natans hemoglobins have an NADH oxidation activity and promote the yield of limonene in an engineered E. coli strain

M Li, Z Yang, S Chen, Z Liu, L Tong, S Zheng… - International Journal of …, 2024 - Elsevier
Bacterial hemoglobins play important roles inside the cell. Phylogenetically, they belong to
three different families: the single domain hemoglobin, flavohemoglobin and truncated …