ASMT, Recombinant Protein

Acetylserotonin O-methyltransferase; HIOMT; HIOMTY

For Research Use Only. Not for use in diagnostic procedures.

E Coli

> 90% by SDS-PAGE

Liquid. In 20mM Tris-HCl Buffer (pH 8.0) containing 1M urea, 10% glycerol

1 mg/ml (determined by Bradford assay) (lot specific)

Can be stored at 4 degree C short term (1-2 weeks).
For long term storage, aliquot and store at -20 degree C or -70 degree C.
Avoid repeated freezing and thawing cycles.

Small volumes of ASMT recombinant protein vial(s) may occasionally become entrapped in the seal of the product vial during shipment and storage. If necessary, briefly centrifuge the vial on a tabletop centrifuge to dislodge any liquid in the container`s cap. Certain products may require to ship with dry ice and additional dry ice fee may apply.

ASMT belongs to the methyltransferase superfamily and is involved in melatonin biosynthesis. Expressed in brain, retina and pineal gland, ASMT functions to catalyze the final reaction in the synthesis of melatonin, specifically the conversion of S-adenosyl-L-methionine and N-acetylserotonin to S-adenosyl-L-homocysteine and melatonin. Recombinant human ASMT protein, fused to His-tag at N-terminus, was expressed in E Coli.

Metabolism

SDS-PAGE

35.3 kDa (318aa)

acetylserotonin O-methyltransferase

acetylserotonin O-methyltransferase

Acetylserotonin O-methyltransferase

HIOMT  [Similar Products]

This gene belongs to the methyltransferase superfamily, and is located in the pseudoautosomal region (PAR) at the end of the short arms of the X and Y chromosomes. The encoded enzyme catalyzes the final reaction in the synthesis of melatonin, and is abundant in the pineal gland. Alternatively spliced transcript variants have been noted for this gene. [provided by RefSeq, Jan 2010]

Isoform 1 catalyzes the transfer of a methyl group onto N-acetylserotonin, producing melatonin (N-acetyl-5-methoxytryptamine). Isoform 2 and isoform 3 lack enzyme activity.

Rodriguez I R., et al. (1994) J Biol Chem. 269:31969-31977.; Toma C., et al. (2007) Mol Psychiatry. 12:977-979.;

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