P2621
Phosphomannose Isomerase from Escherichia coli
recombinant, expressed in E. coli, ammonium sulfate suspension, ≥50 units/mg protein
Synonym(s):
D-Mannose-6-phosphate ketol-isomerase, Mannose Phosphate Isomerase, PMI
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About This Item
MDL number:
UNSPSC Code:
12352204
NACRES:
NA.54
recombinant
expressed in E. coli
Quality Level
form
ammonium sulfate suspension
specific activity
≥50 units/mg protein
storage temp.
2-8°C
Application
PMI is used to study cell wall synthesis and energy production. PMI has been used to study how EDTA and metal ions, such as Zn++, Co++, Fe++, Mn++ and Cu++., can affect recovery and thermal stability. It may be used to study PMI′s effect on various alginate biosynthetic enzymes such as phosphomannomutase (PMM), GDP-mannose pyrophosphorylase (GMP), and GDP-mannose dehydrogenase (GMD).
Biochem/physiol Actions
Phosphomannose Isomerase (PMI) catalyses the interconversion of mannose 6-phosphate (Man-6-P) and fructose 6-phosphate (Fru-6-P), which provides a link between glucose metabolism and mannosylation.
Packaging
Bottomless glass bottle. Contents are inside inserted fused cone.
Unit Definition
One unit will convert 1.0 μmole of D-mannose 6-phosphate to D-fructose 6-phosphate per min at pH 7.6 at 25 °C, using a coupled enzyme system with phosphoglucose isomerase and glucose-6-phosphate dehydrogenase.
Physical form
Supplied as a suspension in 3.2 M ammonium sulfate
WGK
WGK 1
Flash Point(F)
Not applicable
Flash Point(C)
Not applicable
Personal Protective Equipment
dust mask type N95 (US), Eyeshields, Gloves
Regulatory Information
常规特殊物品
Certificates of Analysis (COA)
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Russell Dahl et al.
Journal of medicinal chemistry, 54(10), 3661-3668 (2011-05-05)
We report the discovery and validation of a series of benzoisothiazolones as potent inhibitors of phosphomannose isomerase (PMI), an enzyme that converts mannose-6-phosphate (Man-6-P) into fructose-6-phosphate (Fru-6-P) and, more importantly, competes with phosphomannomutase 2 (PMM2) for Man-6-P, diverting this substrate
Craig T Narasaki et al.
PloS one, 6(10), e25514-e25514 (2011-11-09)
Coxiella burnetii, the etiologic agent of human Q fever, is a gram-negative and naturally obligate intracellular bacterium. The O-specific polysaccharide chain (O-PS) of the lipopolysaccharide (LPS) of C. burnetii is considered a heteropolymer of the two unusual sugars β-D-virenose and
Shanna Sichwart et al.
Applied and environmental microbiology, 77(4), 1325-1334 (2010-12-21)
The gram-negative facultative chemolithoautotrophic bacterium Ralstonia eutropha strain H16 is known for its narrow carbohydrate utilization range, which limits its use for biotechnological production of polyhydroxyalkanoates and possibly other products from renewable resources. To broaden its substrate utilization range, which
Stéphanie Desvergnes et al.
Bioorganic & medicinal chemistry, 20(4), 1511-1520 (2012-01-25)
In the design of inhibitors of phosphosugar metabolizing enzymes and receptors with therapeutic interest, malonate has been reported in a number of cases as a good and hydrolytically-stable surrogate of the phosphate group, since both functions are dianionic at physiological
Soo-Jin Yeom et al.
Biochimie, 93(10), 1659-1667 (2011-07-07)
Mannose-6-phosphate isomerase catalyzes the interconversion of mannose-6-phosphate and fructose-6-phosphate. The gene encoding a putative mannose-6-phosphate isomerase from Thermus thermophilus was cloned and expressed in Escherichia coli. The native enzyme was a 29 kDa monomer with activity maxima for mannose 6-phosphate at
Articles
Instructions for working with enzymes supplied as ammonium sulfate suspensions
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