COMT recombinant protein

COMT Protein, Human, Recombinant (His Tag)

Cat. Num. AAA8121060

• Purity: >85% as determined by SDS-PAGE
• Synonyms: COMT; COMT Protein; Human; Recombinant (His Tag); Human COMT Protein (His Tag); HEL-S-98n Protein; catechol-O-methyltransferase; COMT recombinant protein

• Host: Baculovirus-Insect Cells
• Purity/Purification: >85% as determined by SDS-PAGE
• Form/Format: Lyophilized from sterile 20mM Tris, pH7.5, 300mM NaCl, 10% glycerol,0.1% Triton. Normally 5%-8% trehalose, mannitol and 0.01% Tween80 are added as protectants before lyophilization. Please refer to the specific buffer information in the hard copy of CoA.
• Sequence: Met1-Pro271

• Species: Human
• Endotoxin: <1.0EU per ug protein as determined by the LAL method.
• Predicted N Terminal: Met 1
• Tag: C-His
• Protein Construction: A DNA sequence encoding the human COMT (NP_000745.1)(Met1-Pro271) was expressed with a polyhistidine tag at the C-terminus.
• Reconstitution: A hardcopy of COA with reconstitution instruction is sent along with the products. Please refer to it for detailed information.
• Preparation and Storage: Samples are stable for up to twelve months from date of receipt at -20 degree C to -80 degree C. Store it under sterile conditions at -20 degree C to -80 degree C. It is recommended that the protein be aliquoted for optimal storage. Avoid repeated freeze-thaw cycles.; In general, recombinant proteins are provided as lyophilized powder which are shipped at ambient temperature. Bulk packages of recombinant proteins are provided as frozen liquid.; They are shipped out with blue ice.

SDS-Page

Product Categories/Family for COMT recombinant protein

Neurotransmitter Associated Enzymes

NCBI and Uniprot Product Information

• NCBI GI #: 4502969
• NCBI GeneID: 1312
• NCBI Accession #: NP_000745.1
• NCBI GenBank Nucleotide #: NM_000754.3
• UniProt Accession #: P21964; Q6IB07; Q6ICE6; A8MPV9
• 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
• Protein Family: 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