Results 71 to 80 of about 819,741 (161)

Enhancement of the Rate of Pyrophosphate Hydrolysis by Nonenzymatic Catalysts and by Inorganic Pyrophosphatase [PDF]

open access: yes, 2011
To estimate the proficiency of inorganic pyrophosphatase as a catalyst, 31P NMR was used to determine rate constants and thermodynamics of activation for the spontaneous hydrolysis of inorganic pyrophosphate (PPi) in the presence and absence of Mg2+ at ...
Randy B. Stockbridge   +3 more
core   +1 more source

Decoupling Dynamics and Crosslink Stability in Supramolecular Hydrogels Using Associative Exchange

open access: yesAdvanced Materials, Volume 38, Issue 21, 13 April 2026.
How does reorganization impact the stability of supramolecular hydrogels? In contrast to dissociative crosslink exchange, implementing associative exchange in macroscale DNA hydrogels enables decoupling of reorganization dynamics from thermal and mechanical stability.
Pierre Le Bourdonnec   +4 more
wiley   +1 more source

Genetic evidence for the common identity of glucose-6-phosphatase, pyrophosphate-glucose phosphotransferase, carbamyl phosphate-glucose phosphotransferase and inorganic pyrophosphatase

open access: yes, 1977
We demonstrate that glucose-6-phosphatase, pyrophosphate-glucose phosphotransferase, carbamyl phosphate-glucose phosphotransferase and inorganic pyrophosphatase activities are deficient in livers of patients with type I glycogen storage disease.
Hefferan, Patrick M, Rodney Howell, R
core   +1 more source

Multienzyme Platform for the Synthesis of UDP Sugars and Human Milk Oligosaccharides

open access: yesChemBioChem, Volume 27, Issue 8, April 2026.
Engineered Escherichia coli produces six enzymes (UMPK, PPK3, GALK, NAHK, GALU, PPA) that are purified and used in a cell‐free cascade to synthesize UDP‐N‐acetylglucosamine (UDP‐GlcNAc) and UDP‐galactose (UDP‐Gal) from inexpensive substrates. The cascades can be coupled with glycosyltransferases for in situ nucleotide sugar regeneration, enabling ...
Tuan Son Hoang   +6 more
wiley   +1 more source

SPATIAL STRUCTURE OF INORGANIC PYROPHOSPHATASE ESCHERICHIA COLI AT RESOLUTION 2.2A

open access: yes, 1995
The work covers the crystals of the enzyme in the inorganic pyrophosphatase Escherichia coli. The aim of the work is to determine the atomic structure of the inorganic pyrophosphatase enzyme. The atomic structure of the object has been determined firstly;
Oganesyan, Vage Yunovich
core  

Biochemical and Immunological Studies of an Inorganic Pyrophosphatase from Second Stage Larvae of Ascaris suum

open access: yes, 1965
The present study was undertaken with the following objectives in mind. 1. To survey the relative abundance of some of the soluble enzymes of Ascaris second stage larva. 2. To isolate and characterize and enzyme vital for parasitic growth and development.
Mishra, Nirmal K.
core  

Proton pumping inorganic pyrophosphatase of endoplasmic reticulum-enriched vesicles from etiolated mung bean seedlings [PDF]

open access: yes, 2009
[[abstract]]Endoplasmic reticulum (ER)-enriched vesicles from etiolated hypocotyls of mung bean seedlings (Vigna radiata) were successfully isolated using Ficoll gradient and two-phase (polyethylene glycol-dextran) partition.
Kuo SY; Chien LF; Hsiao YY; Van RC; Yan KH; Liu PF; Mao SJT
core  

Thermococcus thioreducens\u27 Inorganic Pyrophosphatase Purification [PDF]

open access: yes, 2019
Protein purification requires an intensive multi-step process that is customized to every protein’s characteristic for optimal results. In this study, we looked at the purification process of Inorganic Pyrophosphatase (IPPase), an essential protein found
Nozum, Christopher, Sleiman, Zeina
core   +1 more source

Sudden Cardiac Death Due to Deficiency of the Mitochondrial Inorganic Pyrophosphatase PPA2 [PDF]

open access: yes
We have used whole-exome sequencing in ten individuals from four unrelated pedigrees to identify biallelic missense mutations in the nuclear-encoded mitochondrial inorganic pyrophosphatase (PPA2) that are associated with mitochondrial disease.
Hofken T   +34 more
core   +3 more sources

Purification and characterisation of a soluble nucleotide pyrophosphatase/phosphodiesterase from prickly pear (Opuntia ficus indica) fruits

open access: yes, 2011
A glycosylated metallo-protein, nucleotide pyrophosphatase/phosphodiesterase, in a soluble form was purified to homogeneity from prickly pear (Opuntia ficus indica) fruits.
MEDDA, ROSARIA   +4 more
core   +1 more source

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