Critical assessment of the FeC and CO bond strength in carboxymyoglobin: a QM/MM local vibrational mode study

M Freindorf, E Kraka - Journal of Molecular Modeling, 2020 - Springer
The interplay between FeC and CO bonding in carboxymyoglobin (MbCO) and the role of
potential hydrogen bonding between the CO moiety and the side chains of the surrounding …

Resonance Raman studies of gas sensing heme proteins

Y Liu, JR Kincaid - Journal of Raman Spectroscopy, 2021 - Wiley Online Library
Heme sensor proteins are present in organisms ranging from bacteria to mammals, typically
consisting of a catalytic domain and a heme‐containing sensor domain, which can bind …

Unusual peroxide-dependent, heme-transforming reaction catalyzed by HemQ

AI Celis, BR Streit, GC Moraski, R Kant, TD Lash… - Biochemistry, 2015 - ACS Publications
A recently proposed pathway for heme b biosynthesis, common to diverse bacteria, has the
conversion of two of the four propionates on coproheme III to vinyl groups as its final step …

Characterization of catalytic activities and heme coordination structures of heme–DNA complexes composed of some chemically modified hemes and an all parallel …

R Shinomiya, Y Katahira, H Araki, T Shibata… - Biochemistry, 2018 - ACS Publications
Heme binds selectively to the 3′-terminal G-quartet (G6 G-quartet) of an all parallel-
stranded tetrameric G-quadruplex DNA,[d (TTAGGG)] 4, to form a heme–DNA complex …

[HTML][HTML] An active site at work–the role of key Residues in C. Diphteriae Coproheme Decarboxylase

F Sebastiani, R Risorti, C Niccoli, H Michlits… - Journal of Inorganic …, 2022 - Elsevier
Coproheme decarboxylases (ChdCs) are utilized by monoderm bacteria to produce heme b
by a stepwise oxidative decarboxylation of the 2-and 4-propionate groups of iron …

Detecting rotational disorder in heme proteins: A comparison between resonance Raman spectroscopy, nuclear magnetic resonance, and circular dichroism

F Sebastiani, L Milazzo, C Exertier… - Journal of Raman …, 2021 - Wiley Online Library
In heme proteins, the canonical and reversed conformations result from the rotation of the
heme group by 180° about the α, γ‐meso axis in the protein pocket. The coexistence of the …

Indirect quantification of glyphosate by SERS using an incubation process with hemin as the reporter molecule: A contribution to signal amplification mechanism

KA López-Castaños, LA Ortiz-Frade, E Méndez… - Frontiers in …, 2020 - frontiersin.org
The indirect determination of the most used herbicide worldwide, glyphosate, was achieved
by the SERS technique using hemin chloride as the reporter molecule. An incubation …

Addition of sodium ascorbate to extend the shelf-life of tuna meat fish: A risk or a benefit for consumers?

BD Howes, L Milazzo, E Droghetti, M Nocentini… - Journal of Inorganic …, 2019 - Elsevier
We investigate the effects of antimicrobial (sodium citrate tribasic, E331) and antioxidant
(ascorbic acid, E300 and sodium ascorbate, E301) additives on the meat drip from defrosted …

Spectroscopic Assessment of Doxorubicin (DOX)-Gemcitabine (GEM) Gold Complex Nanovector as Diagnostic Tool of Galectin-1 Biomarker

M Khan, K Cherni, R Dekhili… - Nanotechnology …, 2024 - Taylor & Francis
Introduction The aim of this study is focused on the development of theranostic hybrid
nanovectors based on gold-doxorubicin (DOX)-gemcitabine (GEM) complexes and their …

Heme pocket hydrogen bonding residue interactions within the Pectobacterium Diguanylate cyclase-containing globin coupled sensor: A resonance Raman study

NJ Hoque, S Rivera, PG Young, EE Weinert… - Journal of Inorganic …, 2024 - Elsevier
Heme-based sensor proteins are used by organisms to control signaling and physiological
effects in response to their gaseous environment. Globin-coupled sensors (GCS) are oxygen …