Methionine aminopeptidases, also designated peptidase M proteins, are members of the M24 family of proteins. This protein removes the amino-terminal methionine residue from nascent polypeptides. The active site of map contains two adjacent divalent metal ions connected by a water molecule or hydroxide ion. Recombinant E.coli map protein, fused to His-tag at N-terminus, was expressed in E.coli and purified by using conventional chromatography techniques.
Liquid, in 20mM Tris-HCl buffer (pH8.0) containing 20% glycerol, 0.1M NaCl and 1mM DTT
Concentration
1.0 mg/ml (determined by Bradford assay)
Purity
> 90% by SDS-PAGE
Storage
Can be stored at +4C short term (1-2 weeks). For long term storage, aliquot and store at -2°C or -7°C. Avoid repeated freezing and thawing cycles.
References
Bernier SG., et al. (2005) J Cell Biochem. 95(6):1191-203.
Background
Methionine aminopeptidases, also designated peptidase M proteins, are members of the M24 family of proteins. This protein removes the amino-terminal methionine residue from nascent polypeptides. The active site of map contains two adjacent divalent metal ions connected by a water molecule or hydroxide ion. Recombinant E.coli map protein, fused to His-tag at N-terminus, was expressed in E.coli and purified by using conventional chromatography techniques.
Supplier
ARP
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