[HTML][HTML] Capturing photochemical and photophysical transformations in iron complexes with ultrafast X-ray spectroscopy and scattering

KJ Gaffney - Chemical Science, 2021 - pubs.rsc.org
Light-driven chemical transformations provide a compelling approach to understanding
chemical reactivity with the potential to use this understanding to advance solar energy and …

[HTML][HTML] Microbial biofilms as living photoconductors due to ultrafast electron transfer in cytochrome OmcS nanowires

J Neu, CC Shipps, MJ Guberman-Pfeffer… - Nature …, 2022 - nature.com
Light-induced microbial electron transfer has potential for efficient production of value-added
chemicals, biofuels and biodegradable materials owing to diversified metabolic pathways …

Metalloprotein entatic control of ligand-metal bonds quantified by ultrafast x-ray spectroscopy

MW Mara, RG Hadt, ME Reinhard, T Kroll, H Lim… - Science, 2017 - science.org
The multifunctional protein cytochrome c (cyt c) plays key roles in electron transport and
apoptosis, switching function by modulating bonding between a heme iron and the sulfur in …

[HTML][HTML] Ultrafast dynamics of ligands within heme proteins

MH Vos - Biochimica et Biophysica Acta (BBA)-Bioenergetics, 2008 - Elsevier
Physiological bond formation and bond breaking events between proteins and ligands and
their immediate consequences are difficult to synchronize and study in general. However …

[图书][B] Proteins: energy, heat and signal flow

DM Leitner, JE Straub - 2009 - taylorfrancis.com
Computational modeling can provide a wealth of insight into how energy flow in proteins
mediates protein function. Computational methods can also address fundamental questions …

Investigations of heme distortion, low-frequency vibrational excitations, and electron transfer in cytochrome c

Y Sun, A Benabbas, W Zeng… - Proceedings of the …, 2014 - National Acad Sciences
Cytochrome (cyt) c is an important electron transfer protein. The ruffling deformation of its
heme cofactor has been suggested to relate to its electron transfer rate. However, there is no …

Spin cascade and doming in ferric hemes: Femtosecond X-ray absorption and X-ray emission studies

C Bacellar, D Kinschel, GF Mancini… - Proceedings of the …, 2020 - National Acad Sciences
The structure–function relationship is at the heart of biology, and major protein deformations
are correlated to specific functions. For ferrous heme proteins, doming is associated with the …

[HTML][HTML] Femtosecond X-ray emission study of the spin cross-over dynamics in haem proteins

D Kinschel, C Bacellar, O Cannelli, B Sorokin… - Nature …, 2020 - nature.com
In haemoglobin the change from the low-spin (LS) hexacoordinated haem to the high spin
(HS, S= 2) pentacoordinated domed deoxy-myoglobin (deoxyMb) form upon ligand …

[HTML][HTML] The H-NOX protein structure adapts to different mechanisms in sensors interacting with nitric oxide

BK Yoo, SG Kruglik, JC Lambry, I Lamarre… - Chemical …, 2023 - pubs.rsc.org
Some classes of bacteria within phyla possess protein sensors identified as homologous to
the heme domain of soluble guanylate cyclase, the mammalian NO-receptor. Named H-NOX …

Resonant Inelastic X-ray Scattering on Ferrous and Ferric Bis-imidazole Porphyrin and Cytochrome c: Nature and Role of the Axial Methionine–Fe Bond

T Kroll, RG Hadt, SA Wilson, M Lundberg… - Journal of the …, 2014 - ACS Publications
Axial Cu–S (Met) bonds in electron transfer (ET) active sites are generally found to lower
their reduction potentials. An axial S (Met) bond is also present in cytochrome c (cyt c) and is …