P9752
Phosphoriboisomerase from spinach
Type I, partially purified powder, ≥40 units/mg protein (biuret)
Sinónimos:
D-Ribose-5-phosphate ketol-isomerase
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About This Item
Número de CAS:
MDL number:
UNSPSC Code:
12352204
NACRES:
NA.54
Productos recomendados
biological source
spinach
type
Type I
form
partially purified powder
specific activity
≥40 units/mg protein (biuret)
storage temp.
−20°C
Application
Phosphoriboisomerase is used to study the ribulose monophosphate pathway. Phosphoriboisomerase from spinach is used in enzyme assays to convert ribose 5-phosphate to ribulose 5-phosphate.
Biochem/physiol Actions
Phosphoriboisomerase is responsible for the converstion of ribose 5-phosphate to ribulose 5-phosphate.
Unit Definition
One unit will convert 1.0 μmole of D-ribose 5-phosphate to D-ribulose 5-phosphate per min at pH 7.7 at 30 °C.
Storage Class
11 - Combustible Solids
wgk_germany
WGK 3
flash_point_f
Not applicable
flash_point_c
Not applicable
ppe
Eyeshields, Gloves, type N95 (US)
Certificados de análisis (COA)
Busque Certificados de análisis (COA) introduciendo el número de lote del producto. Los números de lote se encuentran en la etiqueta del producto después de las palabras «Lot» o «Batch»
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Soo-Jin Yeom et al.
Biotechnology letters, 32(6), 829-835 (2010-02-16)
The activity of ribose-5-phosphate isomerases (RpiB) from Clostridium difficile for D-ribose isomerization was optimal at pH 7.5 and 40 degrees C, while that from Thermotoga maritima for L-talose isomerization was optimal at pH 8.0 and 70 degrees C. C. difficile
Anna Tylki-Szymańska et al.
Postepy biochemii, 57(2), 168-171 (2011-09-15)
Two previously unreported inborn errors of metabolism occur in the reversible part of the pentose phosphate pathway. Deficiency of ribose-5-phosphate isomerase has been described in one patient who suffered from a progressive leukoencephalopathy and developmental delay. Transaldolase deficiency has been
Sandrine Mariano et al.
Carbohydrate research, 344(7), 869-880 (2009-03-31)
This study reports syntheses of d-allose 6-phosphate (All6P), D-allulose (or D-psicose) 6-phosphate (Allu6P), and seven D-ribose 5-phosphate isomerase (Rpi) inhibitors. The inhibitors were designed as analogues of the 6-carbon high-energy intermediate postulated for the All6P to Allu6P isomerization reaction (Allpi
Thomas E Edwards et al.
BMC structural biology, 11, 39-39 (2011-10-15)
Ribose-5-phosphate isomerase is an enzyme that catalyzes the interconversion of ribose-5-phosphate and ribulose-5-phosphate. This family of enzymes naturally occurs in two distinct classes, RpiA and RpiB, which play an important role in the pentose phosphate pathway and nucleotide and co-factor
Mirjam M C Wamelink et al.
Journal of molecular medicine (Berlin, Germany), 88(9), 931-939 (2010-05-26)
Ribose 5-phosphate isomerase (RPI) deficiency is an enzymopathy of the pentose phosphate pathway. It manifests with progressive leukoencephalopathy and peripheral neuropathy and belongs, with one sole diagnosed case, to the rarest human disorders. The single patient was found compound heterozygous
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