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Sequence Information ()

Catechol-O-Methyltransferase (COMT) Recombinant Protein | COMT recombinant protein

Recombinant Catechol-O-Methyltransferase (COMT)

Applications
SDS-Page, Western Blot
Purity
>80%
Synonyms
Catechol-O-Methyltransferase (COMT); Recombinant Catechol-O-Methyltransferase (COMT); Catechol-O-Methyltransferase; COMT recombinant protein
Ordering
For Research Use Only!
Host
E Coli
Purity/Purification
>80%
Form/Format
Freeze-dried powder
20mM Tris, 150mM NaCl, pH8.0, containing 1mM EDTA, 1mM DTT, 0.01% SKL, 5% Trehalose and Proclin300.
Sequence
Arg27~Pro271
Applicable Applications for COMT recombinant protein
Positive Control, Immunogen, SDS-PAGE, Western Blot (WB)
Source
Prokaryotic expression
Species
Human
Tag
N-terminal His and GST Tag
Endotoxin
<1.0EU per 1ug (determined by the LAL method)
Isoelectric Point
5.3
Subcellular Location
Membrane, Cytoplasm
Usage
Reconstitute in 20mM Tris, 150mM NaCl (pH8.0) to a concentration of 0.1-1.0 mg/mL. Do not vortex.
Preparation and Storage
Store at 2-8 degree C for one month. Aliquot and store at -80 degree C for 12 months. Avoid repeated freeze/thaw cycles.
The thermal stability is described by the loss rate. The loss rate was determined by accelerated thermal degradation test, that is, incubate the protein at 37 degree C for 48h, and no obvious degradation and precipitation were observed. The loss rate is less than 5% within the expiration date under appropriate storage condition.

Sequence Information

()

Sequence Information ()

SDS-Page

(Figure. SDS-PAGE)

SDS-Page (Figure. SDS-PAGE)
Product Categories/Family for COMT recombinant protein

NCBI and Uniprot Product Information

NCBI GI #
NCBI GeneID
NCBI Accession #
NCBI GenBank Nucleotide #
UniProt Accession #
Molecular Weight
30,037 Da
NCBI Official Full Name
catechol O-methyltransferase isoform MB-COMT
NCBI Official Synonym Full Names
catechol-O-methyltransferase
NCBI Official Symbol
COMT
NCBI Protein Information
catechol O-methyltransferase
UniProt Protein Name
Catechol O-methyltransferase
UniProt Gene Name
COMT
UniProt Entry Name
COMT_HUMAN

NCBI Description

Catechol-O-methyltransferase catalyzes the transfer of a methyl group from S-adenosylmethionine to catecholamines, including the neurotransmitters dopamine, epinephrine, and norepinephrine. This O-methylation results in one of the major degradative pathways of the catecholamine transmitters. In addition to its role in the metabolism of endogenous substances, COMT is important in the metabolism of catechol drugs used in the treatment of hypertension, asthma, and Parkinson disease. COMT is found in two forms in tissues, a soluble form (S-COMT) and a membrane-bound form (MB-COMT). The differences between S-COMT and MB-COMT reside within the N-termini. Several transcript variants are formed through the use of alternative translation initiation sites and promoters. [provided by RefSeq, Sep 2008]

Uniprot Description

COMT: Catalyzes the O-methylation, and thereby the inactivation, of catecholamine neurotransmitters and catechol hormones. Also shortens the biological half-lives of certain neuroactive drugs, like L-DOPA, alpha-methyl DOPA and isoproterenol. Belongs to the mammalian catechol-O-methyltransferase family. 2 isoforms of the human protein are produced by alternative initiation.

Protein type: Methyltransferase; Membrane protein, integral; EC 2.1.1.6; Amino Acid Metabolism - tyrosine

Chromosomal Location of Human Ortholog: 22q11.21

Cellular Component: postsynaptic membrane; mitochondrion; membrane; axon; plasma membrane; integral to membrane; dendritic spine; cytosol

Molecular Function: protein binding; magnesium ion binding; O-methyltransferase activity; catechol O-methyltransferase activity

Biological Process: response to drug; methylation; estrogen metabolic process; cellular response to phosphate starvation; neurotransmitter catabolic process; dopamine catabolic process; negative regulation of smooth muscle cell proliferation; short-term memory; response to pain; response to lipopolysaccharide; learning; female pregnancy; reproductive process in a multicellular organism; response to organic cyclic substance; positive regulation of homocysteine metabolic process; negative regulation of dopamine metabolic process; synaptic transmission; xenobiotic metabolic process; regulation of sensory perception of pain; developmental process; neurotransmitter biosynthetic process

Disease: Schizophrenia; Panic Disorder 1

Research Articles on COMT

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Product Notes

The COMT comt (Catalog #AAA2124659) is a Recombinant Protein produced from E Coli and is intended for research purposes only. The product is available for immediate purchase. AAA Biotech's Catechol-O-Methyltransferase (COMT) can be used in a range of immunoassay formats including, but not limited to, Positive Control, Immunogen, SDS-PAGE, Western Blot (WB). Researchers should empirically determine the suitability of the COMT comt for an application not listed in the data sheet. Researchers commonly develop new applications and it is an integral, important part of the investigative research process. The amino acid sequence is listed below: Arg27~Pro2 71. It is sometimes possible for the material contained within the vial of "Catechol-O-Methyltransferase (COMT), Recombinant Protein" to become dispersed throughout the inside of the vial, particularly around the seal of said vial, during shipment and storage. We always suggest centrifuging these vials to consolidate all of the liquid away from the lid and to the bottom of the vial prior to opening. Please be advised that certain products may require dry ice for shipping and that, if this is the case, an additional dry ice fee may also be required.

Precautions

All products in the AAA Biotech catalog are strictly for research-use only, and are absolutely not suitable for use in any sort of medical, therapeutic, prophylactic, in-vivo, or diagnostic capacity. By purchasing a product from AAA Biotech, you are explicitly certifying that said products will be properly tested and used in line with industry standard. AAA Biotech and its authorized distribution partners reserve the right to refuse to fulfill any order if we have any indication that a purchaser may be intending to use a product outside of our accepted criteria.

Disclaimer

Though we do strive to guarantee the information represented in this datasheet, AAA Biotech cannot be held responsible for any oversights or imprecisions. AAA Biotech reserves the right to adjust any aspect of this datasheet at any time and without notice. It is the responsibility of the customer to inform AAA Biotech of any product performance issues observed or experienced within 30 days of receipt of said product. To see additional details on this or any of our other policies, please see our Terms & Conditions page.

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