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Journals and Conferences
For years it has been clear that plasminogen from different sources and enolase from different sources interact strongly. What is less clear is the nature of the structures required for them to interact. This work examines the interaction between canine plasminogen (dPgn) and Streptococcus pyogenes enolase (Str enolase) using analytical ultracentrifugation… (More)
The cellular prion protein (PrP(c)) forms complexes with plasminogen. Here, we show that the PrP(c) in this complex is cleaved to yield fragments of PrP(c). The cleavage is accelerated by plasmin but does not appear to be dependent on it.
The first known human enolase deficiency was reported in 2001 [Comi GP, Fortunato F, Lucchiari S, Bordoni A, Prelle A, Jann S, Keller A, Ciscato P, Galbiati S, Chiveri L et al. (2001) Ann Neurol50, 202-207]. The subject had inherited two mutated genes for beta-enolase. These mutations changed glycine 156 to aspartate and glycine 374 to glutamate. In order… (More)
Osmotic pressure and hydrostatic pressure can be used effectively to probe the behavior of biologically important macromolecules and their complexes. Using the two techniques requires a theoretical framework as well as knowledge of the more common pitfalls. Both are discussed in this review in the context of several examples.
The synthesis and turnover of sulfogalactoglycerolipid (SGG) were studied by in vivo labelling of SGG with 35S. The loss of [35S]SGG from the testes and its appearance in the vas deferens plus epididymis were followed with time. DNA was labelled by administration of [3H]thymidine and the behavior of the two isotopes was compared. The results demonstrate… (More)
Most enolases are homodimers. There are a few that are octamers, with the eight subunits arranged as a tetramer of dimers. These dimers have the same basic fold and same subunit interactions as are found in the dimeric enolases. The dissociation of the octameric enolase from S. pyogenes was examined, using NaClO(4), a weak chaotrope, to perturb the… (More)
Two isozymes of enolase, alpha alpha and gamma gamma, have been purified from rabbit brain and characterized. The kinetic properties of alpha alpha and gamma gamma (pH optimum, Km for phosphoglycerate and phosphoenolpyruvate, requirement for a divalent cation) are very similar to those of rabbit enolase, form beta beta, and to those of enolase isozymes from… (More)
Alkaline phosphatase activity in extracts of testes of sexually immature (13 days old) and sexually mature rats has been characterized by its heat sensitivity, the extent of inhibition by homoarginine and phenylalanine, and by polyacrylamide gel electrophoresis. The testicular enzyme appears to be a liver-bone-kidney-type alkaline phosphatase. There are no… (More)