The key role of water in the dioxygenase function of Escherichia coli flavohemoglobin

DN Ferreiro, L Boechi, DA Estrin, MA Martí - Journal of inorganic …, 2013 - Elsevier
Flavohemoglobins (FHbs) are members of the globin superfamily, widely distributed among
prokaryotes and eukaryotes that have been shown to carry out nitric oxide dioxygenase …

[HTML][HTML] Allostery in the nitric oxide dioxygenase mechanism of flavohemoglobin

AM Gardner, PR Gardner - Journal of Biological Chemistry, 2021 - ASBMB
The substrates O 2 and NO cooperatively activate the NO dioxygenase function of
Escherichia coli flavohemoglobin. Steady-state and transient kinetic measurements support …

Active site analysis of yeast flavohemoglobin based on its structure with a small ligand or econazole

E El Hammi, E Warkentin, U Demmer… - The FEBS …, 2012 - Wiley Online Library
Flavohemoglobins (flavoHbs) serve various microorganisms as the major protective
enzymes against NO˙‐mediated toxicity. FlavoHbs dominantly function as an NO˙ …

[PDF][PDF] Unusual structure of the oxygen-binding site in the dimeric bacterial hemoglobin from Vitreoscilla sp

C Tarricone, A Galizzi, A Coda, P Ascenzi, M Bolognesi - Structure, 1997 - cell.com
Background: The first hemoglobin identified in bacteria was isolated from Vitreoscilla
stercoraria (VtHb) as a homodimeric species. The wild-type protein has been reported to …

Flavohemoglobin: structure and reactivity

A Bonamore, A Boffi - IUBMB life, 2008 - Wiley Online Library
Flavohemoglobins (flavoHbs) are made of a globin domain fused with a ferredoxin
reductaselike FAD‐and NAD‐binding modules. These proteins are widely represented …

Structural studies on flavohemoglobins

A Ilari, A Boffi - Methods in enzymology, 2008 - Elsevier
The key three‐dimensional features of flavohemoglobins have been unveiled by X‐ray
crystallographic investigations carried out on the Alcaligenes eutrophus and Escherichia coli …

Structure of Ralstonia eutropha Flavohemoglobin in Complex with Three Antibiotic Azole Compounds

E El Hammi, E Warkentin, U Demmer, F Limam… - Biochemistry, 2011 - ACS Publications
Flavohemoglobins (flavoHbs) are enzymes that operate primarily as nitric oxide
dioxygenases and shuttle thereby electrons among NAD (P) H, FAD, heme, and a ligated …

[HTML][HTML] Flavohemoglobin, a globin with a peroxidase-like catalytic site

M Mukai, CE Mills, RK Poole, SR Yeh - Journal of Biological Chemistry, 2001 - ASBMB
Biochemical studies of flavohemoglobin (Hmp) from Escherichia coli suggest that instead of
aerobic oxygen delivery, a dioxygenase converts NO to NO 3− and anaerobically, an NO …

Antimicrobial agents act differently on Staphyloccocus aureus and Ralstonia eutropha flavohemoglobins

A Ezzine, M Moussaoui, E El Hammi… - Applied biochemistry …, 2014 - Springer
Flavohemoglobins (FlavoHb) play a key role in bacterial resistance to nitrosative stress and
NO signaling modulation. In this study, we cloned, expressed, and characterized the flavoHb …

[HTML][HTML] Unusual heme iron-lipid acyl chain coordination in Escherichia coli flavohemoglobin

P D'Angelo, D Lucarelli, S Della Longa, M Benfatto… - Biophysical journal, 2004 - cell.com
Escherichia coli flavohemoglobin is endowed with the notable property of binding
specifically unsaturated and/or cyclopropanated fatty acids both as free acids or …