Results 61 to 70 of about 20,636 (170)

Use of a distant reporter group as evidence for a conformational change in a sensory receptor [PDF]

open access: yes, 1977
A highly sensitive method for demonstrating ligand-induced conformational changes in protein molecules in solution is described. The method utilizes an environmentally sensitive reporter group that is known to be distant from the active site.
Hartig, P. R.   +2 more
core  

Aminopeptidase C of Aspergillus niger is a Novel Phenylalanine Aminopeptidase [PDF]

open access: yes, 2003
A novel enzyme with a specific phenylalanine aminopeptidase activity (ApsC) from Aspergillus niger (CBS 120.49) has been characterized. The derived amino acid sequence is not similar to any previously characterized aminopeptidase sequence but does share ...
Basten, E.J.W.   +2 more
core   +2 more sources

Incorporation in vitro of labeled amino acids into proteins of rabbit reticuloytes [PDF]

open access: yes, 1952
Continuing our work on the incorporation of labeled amino acids into proteins (1), we have begun a study of the incorporation in vitro of C14-labeled glycine, L-histidine, L-leucine, and L-lysine into the proteins of rabbit reticulocytes.
Borsook, Henry   +4 more
core  

DmCatD, a cathepsin D-like peptidase of the hematophagous insect Dipetalogaster maxima (Hemiptera: Reduviidae): Purification, bioinformatic analyses and the significance of its interaction with lipophorin in the internalization by developing oocytes [PDF]

open access: yes, 2018
DmCatD, a cathepsin D-like peptidase of the hematophagous insect Dipetalogaster maxima, is synthesized by the fat body and the ovary and functions as yolk protein precursor. Functionally, DmCatD is involved in vitellin proteolysis.
Arrese, Estela L.   +8 more
core   +1 more source

In Vitro Stability and Inactivation of Peptide Hydrolases Extracted from Phaseolus vulgaris L [PDF]

open access: yes, 2017
Endopeptidase activity against azocasein had a higher temperature optimum (50°C) in leaf extracts than in cotyledon extracts (37°C). The temperature optima for aminopeptidase (46°C) and for carboxypeptidase (53°C) were similar in leaf and cotyledon ...
Feller, Urs
core  

Substrate Selectivity and Molecular Adaptation in the Outer Membrane Proteases of Yersinia pestis and Salmonella enterica [PDF]

open access: yes, 2010
Proteolysis is important in bacterial pathogenesis and colonization of animal and plant hosts. In this work I have investigated the functions of the bacterial outer membrane proteases, omptins, of Yersinia pestis and Salmonella enterica. Y.
Haiko, Johanna
core  

Protein Proteinase Inhibitors in Male Sex Glands [PDF]

open access: yes, 1971
Fink, Edwin   +4 more
core   +1 more source

Repression of Esophageal Neoplasia and Inflammatory Signaling by Anti-miR-31 Delivery In Vivo. [PDF]

open access: yes, 2015
BACKGROUND: Overexpression of microRNA-31 (miR-31) is implicated in the pathogenesis of esophageal squamous cell carcinoma (ESCC), a deadly disease associated with dietary zinc deficiency.
Alder, Hansjuerg   +14 more
core   +1 more source

Enzymatic semisynthesis of insulin specifically labelled with tritium at position B-30 [PDF]

open access: yes, 2017
We have synthesized porcine insulin labelled with tritium at position B-30 using enzyme-catalysed formation of a peptide bond. The resulting insulin derivative has the label in the expected position and is biologically active.
Bradshaw, Charles G.   +3 more
core  

Pseudomurein endoisopeptidases PeiW and PeiP, two moderately related members of a novel family of proteases produced in Methanothermobacter strains [PDF]

open access: yes, 2017
Sequence comparison of pseudomurein endoisopeptidases PeiW encoded by the defective prophage ΨM100 of Methanothermobacter wolfeii, and PeiP encoded by phage ΨM2 of Methanothermobacter marburgensis, revealed that the two enzymes share only limited ...
Leisinger, Thomas   +3 more
core  

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