3,548 results found
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Intrinsic disorder within an AKAP-protein kinase A complex guides local substrate phosphorylation

    F Donelson Smith et al.
    Structural analysis of an AKAP18-protein kinase A complex reveals that regions of intrinsic disorder impact the phosphorylation of preferred substrates.
    1. Computational and Systems Biology
    2. Neuroscience

    Reciprocal regulation of ARPP-16 by PKA and MAST3 kinases provides a cAMP-regulated switch in protein phosphatase 2A inhibition

    Veronica Musante et al.
    A complex interplay between MAST3 and PKA protein kinases and the regulatory protein ARPP-16 allows cAMP to control the activity of protein phosphatase 2A.
    1. Neuroscience

    Protein kinase C is a calcium sensor for presynaptic short-term plasticity

    Diasynou Fioravante et al.
    Genetic and electrophysiology experiments provide the first direct evidence that protein kinase C is a calcium-sensing protein in post-tetanic potentiation, a form of synaptic plasticity that supports short-term memory.
    1. Biochemistry and Chemical Biology
    2. Cell Biology

    Endothelial PKA activity regulates angiogenesis by limiting autophagy through phosphorylation of ATG16L1

    Xiaocheng Zhao et al.
    The cAMP-dependent protein kinase A controls the switch from actively sprouting new blood vessel formation to vessel quiescence by reducing endothelial autophagy through phosphorylation-mediated destabilisation of ATG16L1.
    1. Cell Biology
    2. Chromosomes and Gene Expression

    Polo-like kinase-dependent phosphorylation of the synaptonemal complex protein SYP-4 regulates double-strand break formation through a negative feedback loop.

    Saravanapriah Nadarajan et al.
    PLK-1/2-mediated SYP-4 phosphorylation is dependent on crossover precursor formation, triggering a switch in the dynamic state of the synaptonemal complex that reduces the formation of further double-strand breaks at late meiotic prophase.
    1. Cell Biology
    2. Neuroscience

    Isoform-specific subcellular localization and function of protein kinase A identified by mosaic imaging of mouse brain

    Ronit Ilouz et al.
    High-resolution, large-scale immunohistochemical mouse brain images showing global views of different brain regions, as well as cellular and subcellular details, identified distinct localization of PKA RIβ and RIIβ regulatory subunits that reveal functional differences.
    1. Biochemistry and Chemical Biology
    2. Structural Biology and Molecular Biophysics

    Structure of protein O-mannose kinase reveals a unique active site architecture

    Qinyu Zhu et al.
    Active site migration establishes kinase activity in protein O-mannose kinase.
    1. Biochemistry and Chemical Biology
    2. Developmental Biology

    A specific E3 ligase/deubiquitinase pair modulates TBP protein levels during muscle differentiation

    Li Li et al.
    Proteasome-mediated degradation of the TATA-box binding protein (TBP) during terminal differentiation is regulated by the E3 ligase Huwe1 and the deubiquitinase USP10.
    1. Biochemistry and Chemical Biology

    The HIV-1 Tat protein recruits a ubiquitin ligase to reorganize the 7SK snRNP for transcriptional activation

    Tyler B Faust et al.
    The HIV-1 Tat protein hijacks host non-degradative ubiquitination to trigger the nuclear import of the transcription elongation factor, P-TEFb.

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