OLFM1 Human

Olfactomedin 1 Human Recombinant
Cat. No.
BT2681
Source
Escherichia Coli.
Synonyms
olfactomedin 1, NOE1, NOELIN1, OlfA, Noelin, Neuronal olfactomedin-related ER localized protein.
Appearance
Sterile Filtered clear solution.
Purity
Greater than 90.0% as determined by SDS-PAGE.
Usage
Prospec's products are furnished for LABORATORY RESEARCH USE ONLY. They may not be used as drugs, agricultural or pesticidal products, food additives or household chemicals.
Shipped with Ice Packs
In Stock

Description

OLFM1 Human Recombinant produced in E.Coli is a single, non-glycosylated polypeptide chain containing 125 amino acids (34-135 a.a.) and having a molecular mass of 14.3kDa.
OLFM1 is fused to a 23 amino acid His-tag at N-terminus & purified by proprietary chromatographic techniques.

Product Specs

Introduction
Olfactomedin 1, also known as noelin or OLFM1, shares significant sequence homology with the rat neuronal olfactomedin-related ER localized protein. It plays a critical role in the neural tube's regulation of neural crest cell production.
Description
Recombinant Human OLFM1, expressed in E. coli, is a single, non-glycosylated polypeptide chain comprising 125 amino acids (34-135 a.a.). It has a molecular weight of 14.3 kDa. The protein is fused to a 23 amino acid His-tag at the N-terminus and purified using proprietary chromatographic techniques.
Physical Appearance
A clear, sterile-filtered solution.
Formulation
The OLFM1 protein solution is provided at a concentration of 0.25 mg/ml and contains 20 mM Tris-HCl buffer (pH 7.5), 0.2 M NaCl, 50% glycerol, and 5 mM DTT.
Stability
For short-term storage (2-4 weeks), the product can be stored at 4°C. For extended storage, it is recommended to store the protein at -20°C. The addition of a carrier protein (0.1% HSA or BSA) is recommended for long-term storage. Avoid repeated freeze-thaw cycles.
Purity
The purity of the protein is greater than 90.0% as determined by SDS-PAGE analysis.
Synonyms
olfactomedin 1, NOE1, NOELIN1, OlfA, Noelin, Neuronal olfactomedin-related ER localized protein.
Source
Escherichia Coli.
Amino Acid Sequence
MGSSHHHHHH SSGLVPRGSH MGSLPTNPEE SWQVYSSAQD SEGRCICTVV APQQTMCSRD ARTKQLRQLL EKVQNMSQSI EVLDRRTQRD LQYVEKMENQ MKGLESKFKQ VEESHKQHLA RQFKG.

Product Science Overview

Discovery and Structure

Olfactomedin 1 was first identified in the olfactory neuroepithelium of the bullfrog, where it was found to be secreted into the nasal lumen and associated with chemosensory dendritic cilia . The protein forms disulfide-linked aggregates and is believed to serve as a differentiation signal for chemosensory neurons .

Structurally, Olfactomedin 1 exists in multiple isoforms due to alternative promoter usage and splicing . These isoforms, referred to as AMY, BMY, AMZ, and BMZ, are differentially expressed in various brain regions and during different developmental stages . The long isoform BMZ forms a disulfide-linked tetramer with a V-shaped architecture, where each tip of the “V” consists of two C-terminal β-propeller domains enclosing a calcium-binding site .

Functional Roles

Olfactomedin 1 is highly expressed in the brain and retina, indicating its significant role in nervous system development and function . The protein is involved in various processes, including:

  • Synaptic Function: Olfactomedin 1 is believed to play a role in the tethering or clustering of synaptic receptors, such as post-synaptic AMPA receptors and pre-synaptic amyloid precursor protein .
  • Cell Adhesion and Interaction: The olfactomedin domain facilitates protein-protein interactions and intercellular adhesion, which are critical for the organization of the nervous system .
  • Neurodevelopment: Olfactomedin 1 is implicated in the differentiation and development of neurons, particularly in the olfactory system .
Recombinant Production

Human recombinant Olfactomedin 1 is produced using recombinant DNA technology, which involves inserting the OLFM1 gene into an expression system, such as bacteria or mammalian cells, to produce the protein in large quantities. This recombinant protein can be used for various research purposes, including structural and functional studies .

Research and Clinical Implications

Research on Olfactomedin 1 has provided insights into its structural and functional properties, which are essential for understanding its role in the nervous system . The protein’s involvement in synaptic function and cell adhesion makes it a potential target for studying neurological disorders and developing therapeutic interventions .

In conclusion, Olfactomedin 1 is a critical protein in the nervous system, with diverse roles in synaptic function, cell adhesion, and neurodevelopment. The recombinant production of this protein enables further research into its functions and potential clinical applications.

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