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187 Newest Publications of Portland Press

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Regulation of IGFBP-2 expression during fasting

01-May-2015 | Kang HS; Kim M-Y; Kim S-J; Lee J-H; Kim Y-D; Seo Y-K; Bae J-H; Oh G-T; Song D-K; Ahn Y-H; Im S-S, Biochemical Journal, 2015

Insulin-like growth factor (IGF)-binding protein-2 (IGFBP-2), one of the most abundant circulating IGFBPs, is known to attenuate the biological action of IGF-1. Although the effect of IGFBP-2 in preventing metabolic disorders is well known, its regulatory mechanism remains unclear. In the present ...

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{Less than}i{Greater than}In vitro{Less than}/i{Greater than} reconstitution of cotranslational D1 insertion reveals a role of the cpSec/Alb3 translocase and Vipp1 in photosystem II biogenesis

24-Mar-2015 | Walter B; Hristou A; Nowaczyk M; Sch{u}nemann D, Biochemical Journal, 2015

Photosystem II (PS II) is a multi subunit complex localized in the thylakoid membrane that performs the light dependent photosynthetic charge separation. The PS II reaction center comprises, amongst others, the D1 protein. De novo synthesis and repair of PS II require efficient mechanisms for ...

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Ubiquitin C-terminal hydrolases cleave isopeptide- and peptide-linked ubiquitin from structured proteins but do not edit ubiquitin homopolymers

15-Mar-2015 | Bett JS; Ritorto MS; Ewan R; Jaffray EG; Virdee S; Chin JW; Knebel A; Kurz T; Trost M; Tatham MH; Hay RT, Biochemical Journal, 2015

Modification of proteins with ubiquitin (Ub) occurs through a variety of topologically distinct Ub linkages, including Ube2W-mediated monoubiquitylation of N-terminal alpha amines to generate peptide-linked linear mono-Ub fusions. Protein ubiquitylation can be reversed by the action of ...

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Solution Structure of the Reduced Form of Human Peroxiredoxin-6 Elucidated Using Zero-Length Chemical Cross-linking And Homology Modeling

06-Mar-2015 | Rivera-Santiago R; Harper S; Zhou S; Sriswasdi S; Feinstein S; Fisher A; Speicher D, Biochemical Journal, 2015

Peroxiredoxin-6 (PRDX6) is an unusual member of the peroxiredoxin family of antioxidant enzymes that has only one evolutionarily conserved cysteine. It reduces oxidized lipids and ROS by oxidation of the active site cysteine (Cys-47) to a sulfenic acid, but the mechanism for conversion back to a ...

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Bioenergetic Programming Of Macrophages By The Apolipoprotein A-I Mimetic Peptide 4F

05-Mar-2015 | Datta G; Kramer P; Johnson M; Sawada H; Smythies L; Crossman D; Chacko B; Ballinger S; Westbrook D; Mayakonda P; Ana ..., Biochemical Journal, 2015

The apolipoprotein (apo)A-I mimetic peptide 4F favors the differentiation of human monocytes to an alternatively-activated M2 phenotype. The goal of the current study was to test whether the 4F-mediated differentiation of monocyte-derived macrophages (MDMs) requires the induction of an oxidative ...

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A novel chemical foot printing approach identifies critical lysine residues involved in the binding of receptor-associated-protein to cluster II of LDL receptor-related protein

02-Mar-2015 | Bloem E; Ebberink E; van den Biggelaar M; van der Zwaan C; Mertens K; Meijer A, Biochemical Journal, 2015

Tandem mass tags (TMTs) were utilized in a novel chemical foot printing approach to identify lysine residues that mediate the interaction of receptor-associated-protein (RAP) with cluster II of LDL receptor-related protein. The isolated RAP D3 domain was modified with TMT-126 and the D3 ...

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Regulation of IGFBP-2 expression during fasting

19-Feb-2015 | Kang H; Kim M; Kim S; Lee J; Kim Y; Seo Y; Bae J; Oh G; Song D; Ahn Y; Im S, Biochemical Journal, 2015

Insulin-like growth factor (IGF)-binding protein-2 (IGFBP-2), one of the most abundant circulating IGFBPs, is known to attenuate the biological action of IGF-1. Although the effect of IGFBP-2 in preventing metabolic disorder is well known, its regulatory mechanism remains unclear. Here, we ...

more

Structural and functional consequences of removing the N-terminal domain from the magnesium chelatase ChlH subunit of Thermosynechococcus elongatus

15-Dec-2014 | Adams NBP; Marklew CJ; Qian P; Brindley AA; Davison PA; Bullough PA; Hunter CN, Biochemical Journal, 2014

Magnesium chelatase (MgCH) initiates chlorophyll biosynthesis by catalysing the ATP-dependent insertion of Mg2+ into protoporphyrin. This large enzyme complex comprises ChlH, I and D subunits, with I and D involved in ATP hydrolysis, and H the protein that handles the substrate and product. The ...

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Ubiquitin-C-terminal hydrolases cleave isopeptide and peptide-linked ubiquitin from structured proteins but do not edit ubiquitin homopolymers

09-Dec-2014 | Bett J; Ritorto M; Ewan R; Jaffray E; Virdee S; Chin J; Knebel A; Kurz T; Trost M; Tatham M; Hay R, Biochemical Journal, 2014

Modification of proteins with ubiquitin (Ub) occurs through a variety of topologically distinct Ub linkages, including Ube2W-mediated monoubiquitylation of N-terminal alpha amines to generate peptide-linked linear mono-Ub fusions. Protein ubiquitylation can be reversed by the action of ...

more

Raptor ablation in skeletal muscle decreases Cav1.1 expression and affects the function of the excitation-contraction coupling supramolecular complex

28-Nov-2014 | Lopez R; Mosca B; Treves S; Maj M; Bergamelli L; Calderon J; Bentzinger C; Romanino K; Hall M; R{u}egg M; Delbono O; ..., Biochemical Journal, 2014

The protein mammalian target of rapamycin (mTOR) is a serine/threonine kinase regulating a number of biochemical pathways controlling cell growth. mTOR exists in two complexes termed mTORC1 and mTORC2. Raptor is associated with mTORC1 and is essential for its function. Ablation of Raptor in ...

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