Blar i Bergen Open Research Archive på forfatter "Kursula, Petri"
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Antagonistic Functions of MBP and CNP Establish Cytosolic Channels in CNS Myelin
Snaidero, Nicolas; Velte, Caroline; Myllykoski, Matti; Raasakka, Arne; Ignatev, Alexander; Werner, Hauke B.; Erwig, Michelle S.; Möbius, Wiebke; Kursula, Petri; Nave, Klaus-Armin; Simons, Mikael (Peer reviewed; Journal article, 2017-01)The myelin sheath is a multilamellar plasma membrane extension of highly specialized glial cells laid down in regularly spaced segments along axons. Recent studies indicate that myelin is metabolically active and capable ... -
Cryo-EM, X-ray diffraction, and atomistic simulations reveal determinants for the formation of a supramolecular myelin-like proteolipid lattice
Ruskamo, Salla; Krokengen, Oda Caspara; Kowal, Julia; Nieminen, Tuomo; Lehtimäki, Mari; Raasakka, Arne; Dandey, Venkata P; Vattulainen, Ilpo; Stahlberg, Henning; Kursula, Petri (Journal article; Peer reviewed, 2020)Myelin protein P2 is a peripheral membrane protein of the fatty acid–binding protein family that functions in the formation and maintenance of the peripheral nerve myelin sheath. Several P2 gene mutations cause human ... -
Crystal and solution structure of NDRG1, a membranebinding protein linked to myelination and tumour suppression
Mustonen, Venla; Muruganandam, Gopinath; Loris, Remy; Kursula, Petri; Ruskamo, Salla (Journal article; Peer reviewed, 2021)N-myc downstream-regulated gene 1 (NDRG1) is a tumour suppressor involved in vesicular trafficking and stress response. NDRG1 participates in peripheral nerve myelination, and mutations in the NDRG1 gene lead to ... -
Crystallographic home-source X-ray data for the atomic-resolution experimental phasing of the Shank3 SH3 domain structure from pseudomerohedrally twinned crystals
Ponna, Srinivas Kumar; Myllykoski, Matti; Kursula, Petri (Peer reviewed; Journal article, 2018-10)By far most macromolecular crystallographic data collection and experimental phasing is nowadays carried out using synchrotron radiation. Here, we present two crystallographic datasets collected on a home-source X-ray ... -
Determinants of ligand binding and catalytic activity in the myelin enzyme 2′,3′-cyclic nucleotide 3′-phosphodiesterase
Raasakka, Arne; Myllykoski, Matti; Laulumaa, Saara; Lehtimäki, Mari; Härtlein, Michael; Moulin, Martine; Kursula, Inari; Kursula, Petri (Peer reviewed; Journal article, 2015-11-13)2′,3′-cyclic nucleotide 3′-phosphodiesterase (CNPase) is an enzyme highly abundant in the central nervous system myelin of terrestrial vertebrates. The catalytic domain of CNPase belongs to the 2H phosphoesterase superfamily ... -
Direct Binding of the Flexible C-Terminal Segment of Periaxin to β4 Integrin Suggests a Molecular Basis for CMT4F
Raasakka, Arne; Linxweiler, Helen; Brophy, Peter J; Sherman, Diane L; Kursula, Petri (Peer reviewed; Journal article, 2019-04-09)The process of myelination in the nervous system requires a coordinated formation of both transient and stable supramolecular complexes. Myelin-specific proteins play key roles in these assemblies, which may link membranes ... -
Flexible Players within the Sheaths: The Intrinsically Disordered Proteins of Myelin in Health and Disease
Raasakka, Arne; Kursula, Petri (Journal article; Peer reviewed, 2020)Myelin ensheathes selected axonal segments within the nervous system, resulting primarily in nerve impulse acceleration, as well as mechanical and trophic support for neurons. In the central and peripheral nervous systems, ... -
GADL1 is a multifunctional decarboxylase with tissue-specific roles in β-alanine and carnosine production
Mahootchi, Elaheh; Homaei, Selina Cannon; Kleppe, Rune; Winge, Ingeborg; Hegvik, Tor-Arne; Perez, Roberto Megias; Totland, Christian; Mogavero, Floriana; Baumann, Anne; Glennon, Jeffrey Colm; Miletic, Hrvoje; Kursula, Petri; Haavik, Jan (Journal article; Peer reviewed, 2020)Carnosine and related β-alanine–containing peptides are believed to be important antioxidants, pH buffers, and neuromodulators. However, their biosynthetic routes and therapeutic potential are still being debated. This ... -
How Does Protein Zero Assemble Compact Myelin?
Raasakka, Arne; Kursula, Petri (Journal article; Peer reviewed, 2020-08)Myelin protein zero (P0), a type I transmembrane protein, is the most abundant protein in peripheral nervous system (PNS) myelin—the lipid-rich, periodic structure of membrane pairs that concentrically encloses long axonal ... -
Ionic strength and calcium regulate membrane interactions of myelin basic protein and the cytoplasmic domain of myelin protein zero
Raasakka, Arne; Jones, Nykola C; Hoffmann, Søren V; Kursula, Petri (Peer reviewed; Journal article, 2019)The formation of a mature myelin sheath in the vertebrate nervous system requires specific protein-membrane interactions. Several myelin-specific proteins are involved in stacking lipid membranes into multilayered structures ... -
Membrane Association Landscape of Myelin Basic Protein Portrays Formation of the Myelin Major Dense Line
Raasakka, Arne; Ruskamo, Salla; Kowal, Julia; Barker, Robert; Baumann, Anne; Martel, Anne; Tuusa, Jussi; Myllykoski, Matti; Bürck, Jochen; Ulrich, Anne S.; Stahlberg, Henning; Kursula, Petri (Peer reviewed; Journal article, 2017-07-10)Compact myelin comprises most of the dry weight of myelin, and its insulative nature is the basis for saltatory conduction of nerve impulses. The major dense line (MDL) is a 3-nm compartment between two cytoplasmic leaflets ... -
Molecular mechanisms of Charcot-Marie-Tooth neuropathy linked to mutations in human myelin protein P2
Ruskamo, Salla; Nieminen, Tuomo; Kristiansen, Cecilie Katrin; Vatne, Guro Helén; Baumann, Anne; Hallin, Erik Ingmar; Raasakka, Arne; Joensuu, Päivi; Bergmann, Ulrich; Vattulainen, Ilpo; Kursula, Petri (Peer reviewed; Journal article, 2017-07-26)Charcot-Marie-Tooth (CMT) disease is one of the most common inherited neuropathies. Recently, three CMT1-associated point mutations (I43N, T51P, and I52T) were discovered in the abundant peripheral myelin protein P2. These ... -
Molecular structure and function of myelin protein P0 in membrane stacking
Raasakka, Arne; Ruskamo, Salla; Kowal, Julia; Han, Huijong; Baumann, Anne; Myllykoski, Matti; Fasano, Anna; Rossano, Rocco; Riccio, Paolo; Bürck, Jochen; Ulrich, Anne S.; Stahlberg, Henning; Kursula, Petri (Peer reviewed; Journal article, 2019)Compact myelin forms the basis of nerve insulation essential for higher vertebrates. Dozens of myelin membrane bilayers undergo tight stacking, and in the peripheral nervous system, this is partially enabled by myelin ... -
Myelin-derived and putative molecular mimic peptides share structural properties in aqueous and membrane-like environments
Tuusa, Jussi; Raasakka, Arne; Ruskamo, Salla; Kursula, Petri (Peer reviewed; Journal article, 2017-03-24)Background: Despite intense research, the causes of various neurological diseases remain enigmatic to date. A role for viral or bacterial infection and associated molecular mimicry has frequently been suggested in the ... -
Neuropathy-related mutations alter the membrane binding properties of the human myelin protein P0 cytoplasmic tail
Raasakka, Arne; Ruskamo, Salla; Barker, Robert; Krokengen, Oda Caspara; Vatne, Guro Helén; Kristiansen, Cecilie Katrin; Hallin, Erik Ingmar; Skoda, Maximilian W. A.; Bergmann, Ulrich; Wacklin-Knecht, Hanna; Jones, Nykola C; Hoffmann, Søren V; Kursula, Petri (Peer reviewed; Journal article, 2019-06-07)Schwann cells myelinate selected axons in the peripheral nervous system (PNS) and contribute to fast saltatory conduction via the formation of compact myelin, in which water is excluded from between tightly adhered lipid ... -
Raptor-Mediated Proteasomal Degradation of Deamidated 4E-BP2 Regulates Postnatal Neuronal Translation and NF-κB Activity
Kouloulia, Stella; Hallin, Erik Ingmar; Simbriger, Konstanze; Amorim, Ines S; Lach, Gilliard; Amvrosiadis, Theoklitos; Chalkiadaki, Kleanthi; Kampaite, Agniete; Truong, Vinh Tai; Hooshmandi, Mehdi; Jafarnejad, Seyed Mehdi; Skehel, Paul; Kursula, Petri; Khoutorsky, Arkady; Gkogkas, Christos (Peer reviewed; Journal article, 2019)The translation initiation repressor 4E-BP2 is deamidated in the brain on asparagines N99/N102 during early postnatal brain development. This post-translational modification enhances 4E-BP2 association with Raptor, a central ... -
Shanks - multidomain molecular scaffolds of the postsynaptic density
Kursula, Petri (Peer reviewed; Journal article, 2019-03-06)The postsynaptic density (PSD) is a protein-rich assembly below the postsynaptic membrane, formed of large scaffolding proteins. These proteins carry a combination of protein interaction domains, which may interact with ... -
Stability and flexibility of full-length human oligodendrocytic QKI6
Raasakka, Arne; Kursula, Petri (Peer reviewed; Journal article, 2019-09-23)Objective: Oligodendrocytes account for myelination in the central nervous system. During myelin compaction, key proteins are translated in the vicinity of the myelin membrane, requiring targeted mRNA transport. Quaking ... -
Stable preparations of tyrosine hydroxylase provide the solution structure of the full-length enzyme
Bezem, Maria Teresa; Baumann, Anne; Skjærven, Lars; Meyer, Romain; Kursula, Petri; Martinez, Aurora; Flydal, Marte Innselset (Peer reviewed; Journal article, 2016-07-27)Tyrosine hydroxylase (TH) catalyzes the rate-limiting step in the biosynthesis of catecholamine neurotransmitters. TH is a highly complex enzyme at mechanistic, structural, and regulatory levels, and the preparation of ... -
Structural aspects of nucleotide ligand binding by a bacterial 2H phosphoesterase
Myllykoski, Matti; Kursula, Petri (Peer reviewed; Journal article, 2017-01-31)The 2H phosphoesterase family contains enzymes with two His-X-Ser/Thr motifs in the active site. 2H enzymes are found in all kingdoms of life, sharing little sequence identity despite the conserved overall fold and active ...