Major histocompatibility complex (MHC) class I and class II proteins: impact of polymorphism on antigen presentation

ET Abualrous, J Sticht, C Freund - Current Opinion in Immunology, 2021 - Elsevier
The major histocompatibility complex (MHC) loci are amongst the most polymorphic regions
in the genomes of vertebrates. In the human population, thousands of MHC gene variants …

MHC I assembly and peptide editing—chaperones, clients, and molecular plasticity in immunity

C Thomas, R Tampé - Current opinion in immunology, 2021 - Elsevier
Peptides presented on MHC I molecules allow the immune system to detect diseased cells.
The displayed peptides typically stem from proteasomal degradation of cytoplasmic proteins …

Structural mechanism of tapasin-mediated MHC-I peptide loading in antigen presentation

J Jiang, DK Taylor, EJ Kim, LF Boyd, J Ahmad… - Nature …, 2022 - nature.com
Loading of MHC-I molecules with peptide by the catalytic chaperone tapasin in the peptide
loading complex plays a critical role in antigen presentation and immune recognition …

Xeno interactions between MHC-I proteins and molecular chaperones enable ligand exchange on a broad repertoire of HLA allotypes

Y Sun, GF Papadaki, CA Devlin, JN Danon… - Science …, 2023 - science.org
Immunological chaperones tapasin and TAP binding protein, related (TAPBPR) play key
roles in antigenic peptide optimization and quality control of nascent class I major …

Crystal structures of MHC class I complexes reveal the elusive intermediate conformations explored during peptide editing

L Li, X Peng, M Batliwala, M Bouvier - Nature Communications, 2023 - nature.com
Studies have suggested that MHC class I (MHC I) molecules fluctuate rapidly between
numerous conformational states and these motions support peptide sampling. To date, MHC …

TAPBPR employs a ligand-independent docking mechanism to chaperone MR1 molecules

AC McShan, CA Devlin, GF Papadaki, Y Sun… - Nature chemical …, 2022 - nature.com
Chaperones tapasin and transporter associated with antigen processing (TAP)-binding
protein related (TAPBPR) associate with the major histocompatibility complex (MHC)-related …

Exchange catalysis by tapasin exploits conserved and allele-specific features of MHC-I molecules

H Lan, ET Abualrous, J Sticht, LMA Fernandez… - Nature …, 2021 - nature.com
The repertoire of peptides presented by major histocompatibility complex class I (MHC-I)
molecules on the cell surface is tailored by the ER-resident peptide loading complex (PLC) …

What can molecular assembly learn from catalysed assembly in living organisms?

ZC Lei, X Wang, L Yang, H Qu, Y Sun, Y Yang… - Chemical Society …, 2024 - pubs.rsc.org
Molecular assembly is the process of organizing individual molecules into larger structures
and complex systems. The self-assembly approach is predominantly utilized in creating …

Conformational plasticity of RAS Q61 family of neoepitopes results in distinct features for targeted recognition

AC McShan, D Flores-Solis, Y Sun, SE Garfinkle… - Nature …, 2023 - nature.com
The conformational landscapes of peptide/human leucocyte antigen (pHLA) protein
complexes encompassing tumor neoantigens provide a rationale for target selection …

Chaperones and catalysts: how antigen presentation pathways cope with biological necessity

DH Margulies, DK Taylor, J Jiang, LF Boyd… - Frontiers in …, 2022 - frontiersin.org
Immune recognition by T lymphocytes and natural killer (NK) cells is in large part dependent
on the identification of cell surface MHC molecules bearing peptides generated from either …