Protein N-terminal acetylation: structural basis, mechanism, versatility, and regulation

S Deng, R Marmorstein - Trends in biochemical sciences, 2021 - cell.com
N-terminal acetylation (NTA) is one of the most widespread protein modifications, which
occurs on most eukaryotic proteins, but is significantly less common on bacterial and …

N-terminal modifications, the associated processing machinery, and their evolution in plastid-containing organisms

T Meinnel, C Giglione - Journal of Experimental Botany, 2022 - academic.oup.com
The N-terminus is a frequent site of protein modifications. Referring primarily to knowledge
gained from land plants, here we review the modifications that change protein N-terminal …

Cotranslational N-degron masking by acetylation promotes proteome stability in plants

E Linster, FL Forero Ruiz, P Miklankova… - Nature …, 2022 - nature.com
N-terminal protein acetylation (NTA) is a prevalent protein modification essential for viability
in animals and plants. The dominant executor of NTA is the ribosome tethered Nα …

Metabolic regulation of proteome stability via N-terminal acetylation controls male germline stem cell differentiation and reproduction

CM François, T Pihl, M Dunoyer de Segonzac… - Nature …, 2023 - nature.com
The molecular mechanisms connecting cellular metabolism with differentiation remain
poorly understood. Here, we find that metabolic signals contribute to stem cell differentiation …

Dual lysine and N‐terminal acetyltransferases reveal the complexity underpinning protein acetylation

WV Bienvenut, A Brünje, JB Boyer… - Molecular Systems …, 2020 - embopress.org
Protein acetylation is a highly frequent protein modification. However, comparatively little is
known about its enzymatic machinery. N‐α‐acetylation (NTA) and ε‐lysine acetylation (KA) …

The dynamic architecture of Map1-and NatB-ribosome complexes coordinates the sequential modifications of nascent polypeptide chains

AG Knorr, T Mackens-Kiani, J Musial… - PLoS …, 2023 - journals.plos.org
Cotranslational modification of the nascent polypeptide chain is one of the first events during
the birth of a new protein. In eukaryotes, methionine aminopeptidases (MetAPs) cleave off …

HYPK promotes the activity of the Nα-acetyltransferase A complex to determine proteostasis of nonAc-X2/N-degron–containing proteins

P Miklánková, E Linster, JB Boyer, J Weidenhausen… - Science …, 2022 - science.org
In humans, the Huntingtin yeast partner K (HYPK) binds to the ribosome-associated N α-
acetyltransferase A (NatA) complex that acetylates~ 40% of the proteome in humans and …

The lowdown on breakdown: Open questions in plant proteolysis

NA Eckardt, T Avin-Wittenberg, DC Bassham… - The Plant …, 2024 - academic.oup.com
Proteolysis, including post-translational proteolytic processing as well as protein
degradation and amino acid recycling, is an essential component of the growth and …

Nt-acetylation-independent turnover of SQUALENE EPOXIDASE 1 by Arabidopsis DOA10-like E3 ligases

RD Etherington, M Bailey, JB Boyer… - Plant …, 2023 - academic.oup.com
Abstract The acetylation-dependent (Ac/) N-degron pathway degrades proteins through
recognition of their acetylated N-termini (Nt) by E3 ligases called Ac/N-recognins. To date …

Evolution-driven versatility of N terminal acetylation in photoautotrophs

C Giglione, T Meinnel - Trends in plant science, 2021 - cell.com
N terminal protein α-acetylation (NTA) is a pervasive protein modification that has recently
attracted renewed interest. Early studies on NTA were mostly conducted in yeast and …