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Human Proenkephalin (PENK) ELISA Kit

Human Proenkephalin (PENK) ELISA Kit

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Product name Human Proenkephalin (PENK) ELISA Kit
Reactivity Human
Applications ELISA
Applications notes This Human Proenkephalin (PENK) ELISA Kit employs a two-site sandwich ELISA to quantitate PENK in samples. An antibody specific for PENK has been pre-coated onto a microplate. Standards and samples are pipetted into the wells and anyPENK present is bound by the immobilized antibody. After removing any unbound substances, a biotin-conjugated antibody specific for PENK is added to the wells. After washing, Streptavidin conjugated Horseradish Peroxidase (HRP) is added to the wells. Following a wash to remove any unbound avidin-enzyme reagent, a substrate solution is added to the wells and color develops in proportion to the amount of PENK bound in the initial step. The color development is stopped and the intensity of the color is measured.
Detection method Colorimetric
SampleType Cell culture supernatants, Other biological fluids, Plasma, Serum
Assay type Sandwich ELISA (quantitative)
Assay duration Multiple steps standard sandwich ELISA assay with a working time of 3-5 hours. It depends on the experience of the operation person.
Alternative PENK; Enkephalin A; preproenkephalin

Product Properties

Kit components • Human Proenkephalin microplate
• Human Proenkephalin standard
• Human Proenkephalin detect antibody
• Streptavidin-HRP
• Standard diluent
• Assay buffer
• HRP substrate
• Stop solution
• Wash buffer
• Plate covers
Features & Benefits Human Proenkephalin (PENK) ELISA Kit has high sensitivity and excellent specificity for detection of Human PENK. No significant cross-reactivity or interference between Human PENK and analogues was observed.
Calibration range Please inquire
Limit of detection Please inquire
Usage notes • Do not mix components from different kit lots or use reagents beyond the kit expiration date.
• Allow all reagents to warm to room temperature for at least 30 minutes before opening.
• Pre-rinse the pipet tip with reagent, use fresh pipet tips for each sample, standard and reagent to avoid contamination.
• Unused wells must be kept desiccated at 4 °C in the sealed bag provided.
• Mix Thoroughly is very important for the result. It is recommended using low frequency oscillator or slight hand shaking every 10 minutes.
• It is recommended that all samples and standards be assayed in duplicate or triplicate.
Storage instructions The unopened kit should be stored at 2 - 8°C. After opening, please store refer to protocols.
Shipping Gel pack with blue ice.
Precautions The product listed herein is for research use only and is not intended for use in human or clinical diagnosis. Suggested applications of our products are not recommendations to use our products in violation of any patent or as a license. We cannot be responsible for patent infringements or other violations that may occur with the use of this product.

Additional Information

Background Preproenkephalin has 267 amino acids, as does proopiomelanocortin. Both genes contain 2 introns. In both, all the repeated enkephalin or melanotropin sequences are encoded by a single large exon (exon 3). Preproenkephalin mRNA encodes 4 copies of met-enkephalin, 2 copies of met-enkephalin extended sequences, and 1 copy of leu-enkephalin. Each copy is flanked by paired basic amino acids which are presumably recognized by the processing protease. The corresponding amino acid sequence shows that the precursor is 267 amino acids long and contains 6 interspersed Met-enkephalin sequences and 1 Leu-enkephalin sequence. The precursor does not contain the sequences of dynorphin, alpha-neo-endorphin or beta-endorphin.
Gene ID 5179
Alternative PENK; Enkephalin A; preproenkephalin
Accession P01210

Image & description

Fig.1. Human Proenkephalin (PENK) Standard Curve.

Fig.1. Human Proenkephalin (PENK) Standard Curve.

Fig.2. Abbkine ELISA kit is series of sandwich ELISA to quantitate specific protein in samples.

Fig.2. Abbkine ELISA kit is series of sandwich ELISA to quantitate specific protein in samples.

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