Aberrant intermolecular disulfide bonding in a mutant HLA-DM molecule: implications for assembly, maturation, and function

R Busch, RC Doebele, E von Scheven… - The Journal of …, 1998 - journals.aai.org
… 6, which displays a partial Ag presentation defect and expresses a mutated DM β-chain
with Cys79 replaced by Tyr. In this study, we show that HLA-DR molecules in 7.12. 6 have a …

Mechanisms of peptide repertoire selection by HLA-DM

W Pos, DK Sethi, KW Wucherpfennig - Trends in immunology, 2013 - cell.com
HLA-DO–HLA-DM complex shows that it blocks HLA-DM activity as a substrate mimic. Alterations
in the efficiency of DM… The assembly of DO heterodimers is inefficient in the absence of …

Distinct editing functions of natural HLA-DM allotypes impact antigen presentation and CD4+ T cell activation

M Álvaro-Benito, E Morrison, F Ebner… - Cellular & Molecular …, 2020 - nature.com
… may be linked to genetic variations in HLA-DM genes. Future studies should focus on
clarifying the implications of DM natural variations under physiologically relevant conditions. …

How HLA-DM affects the peptide repertoire bound to HLA-DR molecules

AB Vogt, H Kropshofer, GJ Hämmerling - Human immunology, 1997 - Elsevier
… II molecule HLA-DM. Cell biological and biochemical characterization of HLA-DM provided
deeper insight into the molecular mechanisms underlying the loading process: HLA-DM

Assembly and intracellular transport of HLA-DM and correction of the class II antigen-processing defect in T2 cells

LK Denzin, NF Robbins, C Carboy-Newcomb… - Immunity, 1994 - cell.com
… Is not Located on the Cell Surface We were unable to determine whether HLA-DM is surface
expressed by FACS analysis, since RDMB-C was generated to the cytoplasmic domain of …

HLA-DM, HLA-DO and tapasin: functional similarities and differences

P Brocke, N Garbi, F Momburg… - Current opinion in …, 2002 - Elsevier
… The implication of these findings is that disturbances of DMHLA-DM is present in one-fifth
the amount of HLA.DR in the class II … with leupeptin-induced peptide (LIP)-HLA-DR complexes …

[PDF][PDF] How HLA-DM molecules work: recognition of MHC II conformational heterogeneity

S Sadegh-Nasseri, CL Chou, IZ Hartman… - Frontiers in …, 2012 - researchgate.net
… MHC class II synthesis and assembly with chaperones 4. Biochemical and structural … In
this review, we discuss our current understanding of HLA-DM function in peptide exchange and …

Association between HLA-DM and HLA-DR in vivo

F Sanderson, C Thomas, J Neefjes, J Trowsdale - Immunity, 1996 - cell.com
… The exchange of HLA class II–associated invariant chain peptides (CLIP) for cognate peptide
is catalyzed by HLA-DM under acidic conditions in vitro by an unknown mechanism. Here, …

HLA-DO acts as a substrate mimic to inhibit HLA-DM by a competitive mechanism

AI Guce, SE Mortimer, T Yoon, CA Painter… - Nature structural & …, 2013 - nature.com
HLA-DM function. We determined the X-ray crystal structure of HLA-DO bound to HLA-DM
and … In the crystal structure, the DO and DM molecules bind in a side-by-side arrangement …

HLA-DM targets the hydrogen bond between the histidine at position β81 and peptide to dissociate HLA-DR–peptide complexes

K Narayan, CL Chou, AR Kim, IZ Hartman, S Dalai… - Nature …, 2007 - nature.com
… Thus, DR1βH81N might represent a 'post-DM effect' conformation. We suggest that DM
may mediate peptide dissociation by a 'hit-and-run' mechanism that results in conformational …