Human galactokinase (GenBank Accession No. NM_000154), full length with N-terminal His-tag, MW=42 kDa, expressed in an E. coli expression system.
Specific activity: >=176 pmoles/min/ug
Formulation
45 mM Tris-HCl, pH 8.0, 124 mM NaCl, 2.4 mM KCl, 10% glycerol, 225 mM imidazole, and 3 mM DTT.
Species
Human
Application
Useful for the study of enzyme kinetics, screening inhibitors, and selectivity profiling
Notes
A 50 ul Galactokinase reaction isconducted in a buffer containing 20 mMTris (pH 7.4), 5 mM MgCl2, 50 mM NaCl,50 uM ATP, 1 mM DTT and 1 mMsubstrate D-Galactose at roomtemperature for 1h. ATP reduction isdetected using Kinase-Glo LuminescentKinase Assay Platform.
Avoid freeze/thaw cycles.
GenBank
NM_000154
Mw(kda)
42 kDa
Synonyms
GALK1
Uniprot
P51570
Shipping Temperature
-80°C (dry ice)
Format
Aqueous buffer solution
Storage
At least 6 months at -80°C.
Reference
1. Thoden J.B. et al., J. Biol. Chem. 280 (10), 9662-9670 (2005). 2. Holden H.M. et al., Cell. Mol. Life Sci. 61 (19-20), 2471-2484 (2004).