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T2507

Triosephosphate Isomerase from baker′s yeast (S. cerevisiae)

Type I, ammonium sulfate suspension, ~10,000 units/mg protein

Synonym(s):

D-Glyceraldehyde-3-phosphate ketol-isomerase, TPI

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About This Item

CAS Number:
9023-78-3
UNSPSC Code:
12352204
NACRES:
NA.54
EC Number:
232-774-2
MDL number:
MFCD00082080
EC Number:
5.3.1.1 (BRENDA, IUBMB)
Specific activity:
~10,000 units/mg protein
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type

Type I

Quality Segment

200

form

ammonium sulfate suspension

specific activity

~10,000 units/mg protein

mol wt

53 kDa by equilibrium centrifugation

foreign activity

pyruvate kinase, lactic dehydrogenase, 3-phosphoglyceric phosphokinase, phosphoglucose isomerase, α-glycerophosphate dehydrogenase, aldolase, and glyceraldehyde-3-phosphate dehydrogenase <0.01%

storage temp.

2-8°C

Application

Triosephosphate isomerase has been used in a study to assess differential expression of fourteen proteins of uveal melanoma. Triosephosphate isomerase has also been used in a study to investigate the use of sigmoid pH gradients in free-flow isoelectric focusing of human endothelial cell proteins.

Physical form

Crystalline suspension in 2.7 M (NH4)2SO4, 0.5 mM EDTA, pH 6.5

Analysis Note

Protein determined by biuret.

Other Notes

One unit will convert 1.0 μmole D-glyceraldehyde 3-phosphate to dihydroxyacetone phosphate per min at pH 7.6 at 25 °C.
Since the assay of this enzyme seems to be sensitive to minor variables, packages are dispensed per mg protein rather than in units.

Storage Class

11 - Combustible Solids

wgk

WGK 3

flash_point_f

Not applicable

flash_point_c

Not applicable

ppe

Eyeshields, Gloves, type N95 (US)

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