Table 4

Examples of other enzymes purified by magnetic techniques

Purified enzyme
Source
Magnetic carrier
Affinity ligand
Further details
Reference

Alcohol dehydrogenase
Yeast homogenate
Magnetic cross-linked polyvinylalcohol
Cibacron blue 3GA
Elution with high salt buffer
[52]

Saccharomyces cerevisiae extract

PEG with bound Cibacron blue
Magnetic two-phase system
[53]
Aldolase (recombinant, histidine tagged)
Pea
Magnetic core and nickel-silica composite matrix
Ni2+
Elution with imidazole containing buffer
[36]
AngioI-TEM-β-lactamase
Escherichia coli cells extracts
Magnetic agarose beads
Iminodiacetic acid charged with Zn2+
Elution with low pH buffer
[56]
Asparaginase
Escherichia coli homogenate
Magnetic polyacrylamide gel particles
D-Asparagine
Elution with D-asparagine solution
[58]
Carbonic anhydrase
Model mixture
Magnetic agarose beads
Sulfanilimide
Elution with high salt buffer
[14]
Catalase
Bovine liver, commercial preparation
Magnetic poly(EGDMA-MAH) beads
Fe3+
Elution with NaSCN solution
[61]
Cytochrome c
Horse, Candida krusei
Amine terminated iron oxide particles
Iminodiacetic acid charged with Cu2+
Binding studies
[63]

Commercial preparation
Au@magnetic particles

MALDI MS analysis
[31]

Horse heart
Magnetic agarose beads
Iminodiacetic acid charged with Cu2+
Elution with EDTA containing buffer
[56]

Bovine heart
Magnetic ion-exchange particles

Protein binding studies
[12]
Glucose-6-phosphate dehydrogenase

Ferrofluid modified Sepharose 4B
ADP

[65]

Saccharomyces cerevisiae extract

PEG with bound Cibacron blue
Magnetic two-phase system
[53]
Hexokinase
Escherichia coli homogenate

PEG with bound Cibacron blue
Magnetic two-phase system
[53]
Lactate dehydrogenase
Beef heart
Ferrofluid modified Sepharose 4B
AMP
Elution with 1 mM NADH
[13]

Porcine muscle
Magnetic agarose beads
Reactive Red 120
Column elution with NaCl gradient
[66]
Lactoperoxidase
Sweet whey
Magnetic cation exchanger

HGMS
[67,68]
Luciferase (histidine-tagged)
Escherichia coli homogenate
MagneHis™ system
Ni2+

[69,70]
Phosphatase, alkaline
Human placenta
Dynabeads M-450
Specific antibody
Activity of bound enzyme measured
[83]
Phosphatase, alkaline (fusion protein comprising the DNA-binding lac repressor)
Bacterial lysate
Magnetic beads
DNA containing Escherichia coli lac operator
Elution with lactose analogue
[64]
Phosphofructokinase
Saccharomyces cerevisiae extract

PEG with bound Cibacron blue
Magnetic two-phase system
[53]
6-Phosphogluconate dehydrogenase

Ferrofluid modified Sepharose 4B
ADP
Elution with 1 mM NADP
[13]
Thioredoxin (recombinant, histidine-tagged)
Escherichia coli
Magnetic agarose
Ni-NTA
Elution with imidazole containing buffer
[20]
tRNA methionyl synthetase (recombinant, histidine-tagged)
Escherichia coli
MagneHis™ system
Ni2+
Rapid detection and quantitation of isolated protein
[85]
Uricase (recombinant, histidine-tailed)
Bacillus
Ion-chelating magnetic agarose beads
Ni2+
Elution by cleavage with proteinase K
[92]

Safarik and Safarikova BioMagnetic Research and Technology 2004 2:7   doi:10.1186/1477-044X-2-7