Recombinant Human ADH7 Protein (C-6His)

Name: Recombinant Human ADH7 Protein (C-6His)
Brand: Beta LifeScience
SKU: BL-0633NP
Availability: InStock

BL-0633NP: Greater than 95% as determined by reducing SDS-PAGE. (QC verified)

Collections: All products, High-quality recombinant proteins, Other recombinant proteins

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Product Overview

Description	Recombinant Human Alcohol Dehydrogenase Class 4 Mu/Sigma Chain is produced by our Mammalian expression system and the target gene encoding Met1-Phe386 is expressed with a 6His tag at the C-terminus.
Accession	P40394
Synonym	Alcohol Dehydrogenase Class 4 Mu/Sigma Chain; Alcohol Dehydrogenase Class IV Mu/Sigma Chain; Gastric Alcohol Dehydrogenase; Retinol Dehydrogenase; ADH7
Gene Background	Alcohol dehydrogenase class 4 mu/sigma chain (ADH7) is a cytoplasm enzyme which is a member of the alcohol dehydrogenase family. The expression of this gene makes it much more abundant in the stomach than the liver, thus it differs from the other known gene family members. ADH7 may participate in the synthesis of retinoic acid, a hormone important for cellular differentiation. Medium-chain (octanol) and aromatic (m-nitrobenzaldehyde) compounds are the best substrates. Ethanol is not a good substrate but at the high ethanol concentrations reached in the digestive tract, it plays a role in the ethanol oxidation and contributes to the first pass ethanol metabolism.
Molecular Mass	42.5 KDa
Apmol Mass	44 KDa, reducing conditions
Formulation	Lyophilized from a 0.2 μm filtered solution of PBS, pH 7.4.
Endotoxin	Less than 0.1 ng/µg (1 EU/µg) as determined by LAL test.
Purity	Greater than 95% as determined by reducing SDS-PAGE. (QC verified)
Biological Activity	Not tested
Reconstitution	Always centrifuge tubes before opening. Do not mix by vortex or pipetting. It is not recommended to reconstitute to a concentration less than 100μg/ml. Dissolve the lyophilized protein in distilled water. Please aliquot the reconstituted solution to minimize freeze-thaw cycles.
Storage	Lyophilized protein should be stored at ≤ -20°C, stable for one year after receipt. Reconstituted protein solution can be stored at 2-8°C for 2-7 days. Aliquots of reconstituted samples are stable at ≤ -20°C for 3 months.
Shipping	The product is shipped at ambient temperature. Upon receipt, store it immediately at the temperature listed below.
Usage	For Research Use Only

Target Details

Target Function	Catalyzes the NAD-dependent oxidation of all-trans-retinol, alcohol, and omega-hydroxy fatty acids and their derivatives. Oxidizes preferentially all trans-retinol, all-trans-4-hydroxyretinol, 9-cis-retinol, 2-hexenol, and long chain omega-hydroxy fatty acids such as juniperic acid. In vitro can also catalyzes the NADH-dependent reduction of all-trans-retinal and aldehydes and their derivatives. Reduces preferentially all trans-retinal, all-trans-4-oxoretinal and hexanal. Catalyzes in the oxidative direction with higher efficiency. Therefore may participate in retinoid metabolism, fatty acid omega-oxidation, and elimination of cytotoxic aldehydes produced by lipid peroxidation.
Subcellular Location	Cytoplasm.
Protein Families	Zinc-containing alcohol dehydrogenase family, Class-IV subfamily
Database References	HGNC: 256 OMIM: 600086 KEGG: hsa:131 STRING: 9606.ENSP00000420269 UniGene: PMID: 25527893 Transcriptional regulatory elements of ADH7 were identified that effect gene expression. PMID: 24512552 common ADH1-7 variants conferred risk for both schizophrenia in African-Americans and autism in European-Americans. PMID: 23468174 The rs1573496 (ADH7) polymorphism was not associated with colorectal cancer risk overall in Western-European populations. However, the relationship between alcohol and colorectal cancer risk might be modulated by the rs1573496 (ADH7) polymorphism. PMID: 23149980 The current results support the ADH7 A92G SNP as a marker for the risk of SCCHN in non-Hispanic white populations. PMID: 20336794 An association between age at onset of regular alcohol use and a SNP just upstream of ADH7 (rs2654849, p = .003) was observed. PMID: 20158305 ADH7 gene polymorphisms are associated with upper aerodigestive tract cancers. PMID: 19861527 the ADH7 variation may contribute to the genetic component of variation in personality traits, with the risk for SD and personality traits being partially shared. PMID: 17918242 A recombinational hotspot within intron 7 of the ADH7 gene were seen using 25 SNPs; haplotypes associated with inter-individual variation in the early stages of alcohol metabolism were identified. PMID: 17921519 Changes in the activity of class IV ADH in the sera of patients with gastric cancer seems to be caused by release of the isoenzyme from cancer cells. PMID: 18231859 Single Nucleotide Polymorphism in ADH7 gene is associated with upper aerodigestive cancer. PMID: 18500343

FAQs

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Proteins are sensitive to heat, and freeze-drying can preserve the activity of the majority of proteins. It improves protein stability, extends storage time, and reduces shipping costs. However, freeze-drying can also lead to the loss of the active portion of the protein and cause aggregation and denaturation issues. Nonetheless, these adverse effects can be minimized by incorporating protective agents such as stabilizers, additives, and excipients, and by carefully controlling various lyophilization conditions.

Commonly used protectant include saccharides, polyols, polymers, surfactants, some proteins and amino acids etc. We usually add 8% (mass ratio by volume) of trehalose and mannitol as lyoprotectant. Trehalose can significantly prevent the alter of the protein secondary structure, the extension and aggregation of proteins during freeze-drying process; mannitol is also a universal applied protectant and fillers, which can reduce the aggregation of certain proteins after lyophilization.

Our protein products do not contain carrier protein or other additives (such as bovine serum albumin (BSA), human serum albumin (HSA) and sucrose, etc., and when lyophilized with the solution with the lowest salt content, they often cannot form A white grid structure, but a small amount of protein is deposited in the tube during the freeze-drying process, forming a thin or invisible transparent protein layer.

Reminder: Before opening the tube cap, we recommend that you quickly centrifuge for 20-30 seconds in a small centrifuge, so that the protein attached to the tube cap or the tube wall can be aggregated at the bottom of the tube. Our quality control procedures ensure that each tube contains the correct amount of protein, and although sometimes you can't see the protein powder, the amount of protein in the tube is still very precise.

To learn more about how to properly dissolve the lyophilized recombinant protein, please visit Lyophilization FAQs.

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Recombinant Human ADH7 Protein (C-6His)

Recombinant Human ADH7 Protein (C-6His)

Product Overview

Target Details

FAQs