Identification of the Novel HLA-DPA1*01:214 Allele in a Brazilian Bone Marrow Donor.

A single nucleotide polymorphism, changing Phenylalanine to Leucine, differentiates HLA-DPA1*01:214 from HLA-DPA1*01:03:01:01.

Characterization of the Novel HLA-A*36:15 Allele by Next-Generation Sequencing and Oxford Nanopore Technology.

The new HLA-A*36:15 allele differs from A*36:01:01:01 at position -44 in exon 1.

A Hydrophobic Core Stabilizes the Residual Structure in the RRM2 Intermediate State of the ALS-linked Protein TDP-43.

Folding intermediates mediate both protein folding and the misfolding and aggregation observed in human diseases, including amyotrophic lateral sclerosis (ALS), and are prime targets for therapeutic interventions. In this study, we identified the core nucleus of structure for a folding intermediate in the second RNA recognition motif (RRM2) of the ALS-linked RNA-binding protein, TDP-43 (TAR DNA-binding protein-43), using a combination of experimental and computational approaches. Urea equilibrium unfolding studies revealed that the RRM2 intermediate state consists of collapsed residual secondary structure localized to the N-terminal half of RRM2, while the C-terminus is largely disordered.

Structure and Dynamics of the CCCH-Type Tandem Zinc Finger Domain of POS-1 and Implications for RNA Binding Specificity.

CCCH-type tandem zinc finger (TZF) motifs are found in many RNA-binding proteins involved in regulating mRNA stability, translation, and splicing. In , several RNA-binding proteins that regulate embryonic development and cell fate determination contain CCCH TZF domains, including POS-1. Previous biochemical studies have shown that despite high levels of sequence conservation, POS-1 recognizes a broader set of RNA sequences compared to the human homologue tristetraprolin.