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Key Documents

P9752

Sigma-Aldrich

Phosphoriboisomerase from spinach

Type I, partially purified powder, ≥40 units/mg protein (biuret)

Synonym(s):

D-Ribose-5-phosphate ketol-isomerase

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About This Item

CAS Number:
EC Number:
MDL number:
UNSPSC Code:
12352204
NACRES:
NA.54

biological source

spinach

Quality Level

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 Code

11 - Combustible Solids

WGK

WGK 3

Flash Point(F)

Not applicable

Flash Point(C)

Not applicable

Personal Protective Equipment

dust mask type N95 (US), Eyeshields, Gloves

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