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SDS-PAGE

DMBT1 / Muclin Active Protein | DMBT1 active protein

Recombinant Human DMBT1 / Muclin Protein (His tag)

Gene Names
DMBT1; SAG; GP340; SALSA; muclin
Purity
> 95 % as determined by reducing SDS-PAGE.
Synonyms
DMBT1 / Muclin; Recombinant Human DMBT1 / Muclin Protein (His tag); GP340;muclin; DMBT1 active protein
Ordering
For Research Use Only!
Host
HEK293 Cells
Purity/Purification
> 95 % as determined by reducing SDS-PAGE.
Form/Format
Lyophilized from sterile PBS, pH 7.4, 5%trehalose, 5% mannitol, 0.01% Tween80.
Sequence
Met 1-Ser 220
Application Notes
The recombinant human DMBT1 consists of 211 amino acids and has a predicted molecular mass of 22.6 kDa. The apparent molecular mass of rh DMBT1 is approximately 35-45 kDa in SDS-PAGE under reducing conditions due to glycosylation.
Species
Human
Tag
C-His
Bio activity
1. Measured by its binding ability in a functional ELISA.2. Immobilized recombinant human Galectin-3 at 10 ug/ml (100 ul/well) can bind biotinylated DMBT1-His with a linear range of 0.06-1.0 ug/ml.
Endotoxin
< 1.0 EU per ?g as determined by the LAL method.
Shipping note
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 unless customers require otherwise.
Reconstitution
It is recommended that sterile water(200ul) be added to the vial to prepare a stock solution of 0.25mg/mL. Concentration is measured by UV- Vis.
Preparation and Storage
Samples are stable for up to twelve months from date of receipt at -70 degree C.

SDS-PAGE

SDS-PAGE
Related Product Information for DMBT1 active protein
Background: Deleted in malignant brain tumors 1 protein, also known as glycoprotein 340, surfactant pulmonary-associated D-binding protein, DMBT1 and GP340, is a secreted protein which belongs to the DMBT1 family. DMBT1 contains 2 CUB domains, 14 SRCR domains and 1 ZP domain. It is highly expressed in alveolar and macrophage tissues. In some macrophages, expression is detected on the membrane, and in other macrophages, it is strongly expressed in the phagosome/phagolysosome compartments. Defects in DMBT1 are involved in the development of glioma (GLM). Gliomas are central nervous system neoplasms derived from glial cells and comprise astrocytomas, glioblastoma multiforme, oligodendrogliomas, and ependymomas. 

Description: A DNA sequence encoding the N-terminal segment of human DMBT1 (NP_004397.2) (Met 1-Ser 220) was expressed, fused with a polyhistidine tag at the C-terminus.

NCBI and Uniprot Product Information

NCBI GI #
NCBI GeneID
NCBI Accession #
NCBI GenBank Nucleotide #
Molecular Weight
Mol. Mass: 22.6 kDa
AP Mol .Mass: 35-45 kDa
NCBI Official Full Name
deleted in malignant brain tumors 1 protein isoform a
NCBI Official Synonym Full Names
deleted in malignant brain tumors 1
NCBI Official Symbol
DMBT1
NCBI Official Synonym Symbols
SAG; GP340; SALSA; muclin
NCBI Protein Information
deleted in malignant brain tumors 1 protein
UniProt Protein Name
Deleted in malignant brain tumors 1 protein
UniProt Gene Name
DMBT1
UniProt Synonym Gene Names
GP340; Gp-340; SAG

NCBI Description

Loss of sequences from human chromosome 10q has been associated with the progression of human cancers. This gene was originally isolated based on its deletion in a medulloblastoma cell line. This gene is expressed with transcripts of 6.0, 7.5, and 8.0 kb in fetal lung and with one transcript of 8.0 kb in adult lung, although the 7.5 kb transcript has not been characterized. The encoded protein precursor is a glycoprotein containing multiple scavenger receptor cysteine-rich (SRCR) domains separated by SRCR-interspersed domains (SID). Transcript variant 2 (8.0 kb) has been shown to bind surfactant protein D independently of carbohydrate recognition. This indicates that DMBT1 may not be a classical tumor suppressor gene, but rather play a role in the interaction of tumor cells and the immune system. [provided by RefSeq, Mar 2016]

Uniprot Description

DMBT1: May be considered as a candidate tumor suppressor gene for brain, lung, esophageal, gastric, and colorectal cancers. May play roles in mucosal defense system, cellular immune defense and epithelial differentiation. May play a role as an opsonin receptor for SFTPD and SPAR in macrophage tissues throughout the body, including epithelial cells lining the gastrointestinal tract. May play a role in liver regeneration. May be an important factor in fate decision and differentiation of transit-amplifying ductular (oval) cells within the hepatic lineage. Required for terminal differentiation of columnar epithelial cells during early embryogenesis. May function as a binding protein in saliva for the regulation of taste sensation. Binds to HIV-1 envelope protein and has been shown to both inhibit and facilitate viral transmission. Displays a broad calcium-dependent binding spectrum against both Gram-positive and Gram-negative bacteria, suggesting a role in defense against bacterial pathogens. Binds to a range of poly- sulfated and poly-phosphorylated ligands which may explain its broad bacterial-binding specificity. Inhibits cytoinvasion of S.enterica. Associates with the actin cytoskeleton and is involved in its remodeling during regulated exocytosis. Interacts with pancreatic zymogens in a pH-dependent manner and may act as a Golgi cargo receptor in the regulated secretory pathway of the pancreatic acinar cell. Defects in DMBT1 are involved in the development of glioma (GLM). Gliomas are central nervous system neoplasms derived from glial cells and comprise astrocytomas, glioblastoma multiforme, oligodendrogliomas, and ependymomas. Homozygous deletions may be the predominant mechanism of DMBT1 inactivation playing a role in carcinogenesis. DMBT1 is deleted in medulloblastoma and glioblastoma cell lines; point mutations have also been reported in patients with glioma. A loss or reduction of DMBT1 expression has been seen in esophageal, gastric, lung and colorectal carcinomas as well. Belongs to the DMBT1 family. 8 isoforms of the human protein are produced by alternative splicing.

Protein type: Membrane protein, integral; Oncoprotein; Secreted; Secreted, signal peptide; Tumor suppressor

Chromosomal Location of Human Ortholog: 10q26.13

Cellular Component: cytoplasm; extracellular region; extracellular space; extrinsic to membrane; phagocytic vesicle membrane; zymogen granule membrane

Molecular Function: calcium-dependent protein binding; pattern recognition receptor activity; protein binding; scavenger receptor activity

Biological Process: cellular protein metabolic process; epithelial cell differentiation; induction of bacterial agglutination; innate immune response

Disease: Glioma Susceptibility 1; Medulloblastoma

Research Articles on DMBT1

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Product Notes

The DMBT1 dmbt1 (Catalog #AAA2545695) is an Active Protein produced from HEK293 Cells and is intended for research purposes only. The product is available for immediate purchase. The recombinant human DMBT1 consists of 211 amino acids and has a predicted molecular mass of 22.6 kDa. The apparent molecular mass of rh DMBT1 is approximately 35-45 kDa in SDS-PAGE under reducing conditions due to glycosylation. Researchers should empirically determine the suitability of the DMBT1 dmbt1 for an application not listed in the data sheet. Researchers commonly develop new applications and it is an integral, important part of the investigative research process. The amino acid sequence is listed below: Met 1-Ser 220. It is sometimes possible for the material contained within the vial of "DMBT1 / Muclin, Active Protein" to become dispersed throughout the inside of the vial, particularly around the seal of said vial, during shipment and storage. We always suggest centrifuging these vials to consolidate all of the liquid away from the lid and to the bottom of the vial prior to opening. Please be advised that certain products may require dry ice for shipping and that, if this is the case, an additional dry ice fee may also be required.

Precautions

All products in the AAA Biotech catalog are strictly for research-use only, and are absolutely not suitable for use in any sort of medical, therapeutic, prophylactic, in-vivo, or diagnostic capacity. By purchasing a product from AAA Biotech, you are explicitly certifying that said products will be properly tested and used in line with industry standard. AAA Biotech and its authorized distribution partners reserve the right to refuse to fulfill any order if we have any indication that a purchaser may be intending to use a product outside of our accepted criteria.

Disclaimer

Though we do strive to guarantee the information represented in this datasheet, AAA Biotech cannot be held responsible for any oversights or imprecisions. AAA Biotech reserves the right to adjust any aspect of this datasheet at any time and without notice. It is the responsibility of the customer to inform AAA Biotech of any product performance issues observed or experienced within 30 days of receipt of said product. To see additional details on this or any of our other policies, please see our Terms & Conditions page.

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