Biosynthesis and biology of mammalian GPI-anchored proteins

T Kinoshita - Open biology, 2020 - royalsocietypublishing.org
At least 150 human proteins are glycosylphosphatidylinositol-anchored proteins (GPI-APs).
The protein moiety of GPI-APs lacking transmembrane domains is anchored to the plasma …

Post-translational modifications of the protein termini

L Chen, A Kashina - Frontiers in cell and developmental biology, 2021 - frontiersin.org
Post-translational modifications (PTM) involve enzyme-mediated covalent addition of
functional groups to proteins during or after synthesis. These modifications greatly increase …

Structure-guided isoform identification for the human transcriptome

MJ Sommer, S Cha, A Varabyou, N Rincon, S Park… - Elife, 2022 - elifesciences.org
Recently developed methods to predict three-dimensional protein structure with high
accuracy have opened new avenues for genome and proteome research. We explore a new …

Congenital disorders of glycosylation from a neurological perspective

J Paprocka, A Jezela-Stanek, A Tylki-Szymańska… - Brain Sciences, 2021 - mdpi.com
Most plasma proteins, cell membrane proteins and other proteins are glycoproteins with
sugar chains attached to the polypeptide-glycans. Glycosylation is the main element of the …

Diagnostic yield of whole genome sequencing after nondiagnostic exome sequencing or gene panel in developmental and epileptic encephalopathies

EE Palmer, R Sachdev, R Macintosh, US Melo… - Neurology, 2021 - AAN Enterprises
Objective To assess the benefits and limitations of whole genome sequencing (WGS)
compared to exome sequencing (ES) or multigene panel (MGP) in the molecular diagnosis …

Genome-wide CRISPR screen reveals CLPTM1L as a lipid scramblase required for efficient glycosylphosphatidylinositol biosynthesis

Y Wang, AK Menon, Y Maki, YS Liu… - Proceedings of the …, 2022 - National Acad Sciences
Glycosylphosphatidylinositols (GPIs) are complex glycolipids that act as membrane anchors
of many eukaryotic cell surface proteins. Biosynthesis of GPIs is initiated at the cytosolic face …

The glycosylphosphatidylinositol anchor: a linchpin for cell surface versatility of trypanosomatids

AR Borges, F Link, M Engstler… - Frontiers in Cell and …, 2021 - frontiersin.org
The use of glycosylphosphatidylinositol (GPI) to anchor proteins to the cell surface is
widespread among eukaryotes. The GPI-anchor is covalently attached to the C-terminus of a …

A knockout cell library of GPI biosynthetic genes for functional studies of GPI-anchored proteins

SS Liu, YS Liu, XY Guo, Y Murakami, G Yang… - Communications …, 2021 - nature.com
Over 100 kinds of proteins are expressed as glycosylphosphatidylinositol (GPI)-anchored
proteins (GPI-APs) on the cell surface in mammalian cells. GPI-APs possess unique …

Lessons learned from 40 novel PIGA patients and a review of the literature

A Bayat, A Knaus, M Pendziwiat, A Afenjar… - …, 2020 - Wiley Online Library
Objective To define the phenotypic spectrum of phosphatidylinositol glycan class A protein
(PIGA)‐related congenital disorder of glycosylation (PIGA‐CDG) and evaluate genotype …

Mammalian GPI-anchor modifications and the enzymes involved

YS Liu, M Fujita - Biochemical Society Transactions, 2020 - portlandpress.com
Glycosylphosphatidylinositol (GPI) is a glycolipid added to the C-terminus of a large variety
of proteins in eukaryotes, thereby anchoring these proteins to the cell surface. More than …