SCGB1D1 Human

Secretoglobin Family 1D, Member 1 Human Recombinant
Cat. No.
BT20682
Source
Escherichia Coli.
Synonyms
Secretoglobin family 1D member 1, Lipophilin-A, SCGB1D1, LIPHA, LPNA, LIPA, LPHA.
Appearance
Filtered White lyophilized (freeze-dried) powder.
Purity
Greater than 95.0% 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

SCGB1D1 Human Recombinant produced in E.Coli is a single, non-glycosylated, polypeptide chain (a.a 22-90) containing 79 amino acids including a 10 a.a N-terminal His tag. The total molecular mass is 8.8kDa (calculated).

Product Specs

Introduction
As a member of the lipophilin subfamily within the uteroglobin superfamily, Secretoglobin Family 1D, Member 1 (SCGB1D1) is an ortholog of prostatein, the primary secretory glycoprotein found in the ventral prostate gland of rats. SCGB1D1 exhibits binding affinity for androgens, steroids, and chemotherapeutic agents used in prostate cancer treatment. The transcriptional regulation of SCGB1D1 is influenced by steroid hormones, and it is secreted into the extracellular matrix. This gene product constitutes one part of a heterodimeric molecule present in human tears, with an elution profile resembling prostatein, a tetrameric molecule composed of three peptide components organized as heterodimers.
Description
Recombinantly produced in E. coli, SCGB1D1 Human Recombinant is a single, non-glycosylated polypeptide chain consisting of 79 amino acids (a.a 22-90), including a 10 a.a N-terminal His tag. The calculated molecular mass is 8.8kDa.
Physical Appearance
White lyophilized powder, filtered.
Formulation
SCGB1D1 is filtered (0.4 µm) and lyophilized from a solution of 0.5mg/ml in 20mM Tris buffer and 50mM NaCl, at pH 7.5.
Solubility
To prepare a working stock solution, add deionized water to achieve a concentration of approximately 0.5mg/ml and allow the lyophilized pellet to dissolve completely. Note: SCGB1D1 is not sterile. Prior to cell culture use, filter the product through a sterile filter of appropriate pore size.
Stability
Store the lyophilized protein at -20°C. After reconstitution, aliquot the product to prevent repeated freeze-thaw cycles. Reconstituted protein remains stable at 4°C for a limited period and shows no significant change for up to two weeks at this temperature.
Purity
Purity exceeds 95.0%, as determined by SDS-PAGE analysis.
Synonyms
Secretoglobin family 1D member 1, Lipophilin-A, SCGB1D1, LIPHA, LPNA, LIPA, LPHA.
Source
Escherichia Coli.
Amino Acid Sequence
MKHHHHHHAS VVCQALGSEI TGFLLAGKPV FKFQLAKFKA PLEAVAAKME VKKCVDTMAY EKRVLITKTL GKIAEKCDR.

Product Science Overview

Structure and Function

The SCGB1D1 protein is composed of 90 amino acids in its precursor form, with a calculated molecular mass of approximately 9.9 kDa. Upon removal of the N-terminal signal sequence, the mature protein consists of 69 amino acids and has a predicted molecular mass of 7.6 kDa . This protein is known to form heterodimers and is a significant component of human tears .

SCGB1D1 is believed to bind androgens and other steroids, and it may also bind estramustine, a chemotherapeutic agent used for prostate cancer . The protein’s expression is thought to be regulated by steroid hormones, suggesting a role in endocrine-responsive tissues .

Biological Significance

SCGB1D1 is an ortholog of prostatein, the major secretory glycoprotein of the rat ventral prostate gland . In humans, lipophilins, including SCGB1D1, are widely expressed in normal tissues, particularly in endocrine-responsive organs . The protein’s ability to bind and concentrate estramustine highlights its potential importance in prostate cancer treatment .

Clinical Relevance

Diseases associated with SCGB1D1 include Diaphragmatic Eventration and Linear Skin Defects with Multiple Congenital Anomalies 1 . The protein’s role in binding steroids and chemotherapeutic agents underscores its potential therapeutic applications, particularly in the context of hormone-responsive cancers .

Recombinant SCGB1D1

Recombinant SCGB1D1 is produced using recombinant DNA technology, which involves inserting the SCGB1D1 gene into a suitable expression system, such as bacteria or yeast, to produce the protein in large quantities. This recombinant protein can be used in various research applications, including studies on steroid hormone regulation, protein-protein interactions, and potential therapeutic uses .

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