89 results found
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Structure and mechanism of a phage-encoded SAM lyase revises catalytic function of enzyme family

    Xiaohu Guo, Annika Söderholm ... Maria Selmer
    The first structure of a bacteriophage-encoded S-adenosyl methionine degrading enzyme was solved and demonstrated to catalyze a unimolecular lyase reaction occurring at the domain interface of a trimeric structure.
    1. Chromosomes and Gene Expression

    A histone H3K9M mutation traps histone methyltransferase Clr4 to prevent heterochromatin spreading

    Chun-Min Shan, Jiyong Wang ... Songtao Jia
    A lysine-to-methionine mutation in histone H3 dominantly blocks histone H3K9 methylation by trapping its methyltransferase.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    A putative ATPase mediates RNA transcription and capping in a dsRNA virus

    Xuekui Yu, Jiansen Jiang ... Z Hong Zhou
    Atomic structures suggest a novel mechanism for the regulation of mRNA transcription and capping in dsRNA viruses.
    1. Plant Biology

    A viral protein promotes host SAMS1 activity and ethylene production for the benefit of virus infection

    Shanshan Zhao, Wei Hong ... Yi Li
    Rice dwarf virus Pns11 protein increases rice susceptibility to virus infection by enhancing OsSAMS1 enzymatic activity and ethylene production.
    1. Biochemistry and Chemical Biology
    2. Microbiology and Infectious Disease

    Cellular assays identify barriers impeding iron-sulfur enzyme activity in a non-native prokaryotic host

    Francesca D'Angelo, Elena Fernández-Fueyo ... Gregory Bokinsky
    The intracellular network that distributes iron-sulfur clusters in bacteria is surprisingly 'plug and play' with iron-sulfur enzymes acquired from distantly related species, whereas the intracellular electron transfer network often needs plug adapters to connect with foreign enzymes.
    1. Microbiology and Infectious Disease

    Divergent downstream biosynthetic pathways are supported by L-cysteine synthases of Mycobacterium tuberculosis

    Mehak Zahoor Khan, Debbie M Hunt ... Vinay Kumar Nandicoori
    CysM and CysK2 play complementary and overlapping roles in Mtb's adaptation to environmental stress that are crucial for survival.
    1. Biochemistry and Chemical Biology

    RNA binding to human METTL3-METTL14 restricts N6-deoxyadenosine methylation of DNA in vitro

    Shan Qi, Javier Mota ... Yogesh K Gupta
    Structured RNA elements bind to the human methyltransferase like-3 (METTL3)-METTL14 enzyme complex with high affinity and restrict the formation of N6-deoxymethyladenosine in DNA.
    1. Cell Biology
    2. Developmental Biology

    Dot1l interacts with Zc3h10 to activate Ucp1 and other thermogenic genes

    Danielle Yi, Hai P Nguyen ... Hei Sook Sul
    Dot1l and its H3K79 methyltransferase activity are required for thermogenesis, and Dot1l is recruited by Zc3h10 to its targets genes to alter chromatin accessibility to activate the thermogenic gene program.
    1. Immunology and Inflammation

    Antigen receptor control of methionine metabolism in T cells

    Linda V Sinclair, Andrew JM Howden ... Doreen A Cantrell
    Antigen receptor control of methionine transport is critical to co-ordinate protein synthesis and the production of methyl donors for nucleotide and protein methylations which are required for T cell differentiation.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Coupling to short linear motifs creates versatile PME-1 activities in PP2A holoenzyme demethylation and inhibition

    Yitong Li, Vijaya Kumar Balakrishnan ... Yongna Xing
    The coupling of the enzyme/structure core to different short linear motifs represents a novel mechanism to diversify and expand the function of signaling proteins.

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