Vacuolar processing enzymes in the plant life cycle

K Yamada, AK Basak, S Goto‐Yamada… - New …, 2020 - Wiley Online Library
Vacuolar processing enzyme (VPE) is a cysteine‐type endopeptidase that has a substrate‐
specificity for asparagine or aspartic acid residues and cleaves peptide bonds at their …

Plant vacuolar processing enzymes

BJ Vorster, CA Cullis, KJ Kunert - Frontiers in Plant Science, 2019 - frontiersin.org
Plant proteomes contain hundreds of proteases divided into different families based on
evolutionary and functional relationship. In particular, plant cysteine proteases of the C1 …

Molecular basis for the production of cyclic peptides by plant asparaginyl endopeptidases

MA Jackson, EK Gilding, T Shafee, KS Harris… - Nature …, 2018 - nature.com
Asparaginyl endopeptidases (AEPs) are proteases that have crucial roles in plant defense
and seed storage protein maturation. Select plant AEPs, however, do not function as …

Structural determinants for peptide-bond formation by asparaginyl ligases

X Hemu, A El Sahili, S Hu, K Wong… - Proceedings of the …, 2019 - National Acad Sciences
Asparaginyl endopeptidases (AEPs) are cysteine proteases which break Asx (Asn/Asp)–Xaa
bonds in acidic conditions. Despite sharing a conserved overall structure with AEPs, certain …

A bifunctional asparaginyl endopeptidase efficiently catalyzes both cleavage and cyclization of cyclic trypsin inhibitors

J Du, K Yap, LY Chan, FBH Rehm, FY Looi… - Nature …, 2020 - nature.com
Asparaginyl endopeptidases (AEPs) catalyze the key backbone cyclization step during the
biosynthesis of plant-derived cyclic peptides. Here, we report the identification of two AEPs …

Sensitive determination of proteolytic proteoforms in limited microscale proteome samples

SSH Weng, F Demir, EK Ergin, S Dirnberger… - Molecular & Cellular …, 2019 - ASBMB
Protein N termini unambiguously identify truncated, alternatively translated or modified
proteoforms with distinct functions and reveal perturbations in disease. Selective enrichment …

The macrocyclizing protease butelase 1 remains autocatalytic and reveals the structural basis for ligase activity

AM James, J Haywood, J Leroux, K Ignasiak… - The Plant …, 2019 - Wiley Online Library
Plant asparaginyl endopeptidases (AEP s) are expressed as inactive zymogens that perform
maturation of seed storage protein upon cleavage‐dependent autoactivation in the low‐pH …

pH-controlled protein orthogonal ligation using asparaginyl peptide ligases

D Zhang, Z Wang, S Hu, S Balamkundu… - Journal of the …, 2021 - ACS Publications
Peptide asparaginyl ligases (PALs) catalyze transpeptidation at the Asn residue of a short
Asn-Xaa1-Xaa2 tripeptide motif. Due to their high catalytic activity toward the P1-Asn …

The asparaginyl endopeptidase legumain: an emerging therapeutic target and potential biomarker for Alzheimer's disease

M Song - International Journal of Molecular Sciences, 2022 - mdpi.com
Alzheimer's disease (AD) is incurable dementia closely associated with aging. Most cases of
AD are sporadic, and very few are inherited; the pathogenesis of sporadic AD is complex …

A suite of kinetically superior AEP ligases can cyclise an intrinsically disordered protein

KS Harris, RF Guarino, RS Dissanayake, P Quimbar… - Scientific reports, 2019 - nature.com
Asparaginyl endopeptidases (AEPs) are a class of enzymes commonly associated with
proteolysis in the maturation of seed storage proteins. However, a subset of AEPs work …